{
  "data": {
    "a": {
      "slug": "celeris-1-decision",
      "name": "Celeris-1 Decision",
      "vendor": "Celeris (Marqo Inc)",
      "vendorUrl": "https://celeris.ai",
      "kind": "model",
      "category": "decision-models",
      "summary": "Celeris-1 Decision is a hosted multimodal diffusion model from Celeris, a Marqo Inc research lab. Its HTTP API answers typed questions about text, structured data and images with probabilities and optional explanations.",
      "url": "https://www.anchorterminal.com/tools/celeris-1-decision",
      "markdownUrl": "https://www.anchorterminal.com/tools/celeris-1-decision.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/celeris-1-decision.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/celeris-1-decision.json",
      "license": "Proprietary hosted model under Celeris terms of service",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://inference.celeris.ai/celeris-1-decision/v1/systemone",
      "packages": [],
      "auth": "api-key",
      "authNotes": "Bearer ck_ API key from an activated workspace. Signup, a payment method and prepaid credit are required. Keys can be created, rotated and revoked in the console; changes can take one minute. Keys share workspace credit, with no per-key limits. Activation is usually immediate but can queue when capacity is full.",
      "pricing": "usage",
      "pricingNotes": "$0.04 per million input tokens, including cached input, with output tokens free. Images and request overhead count as input. Card-funded purchases start at $5 and credit expires after 30 days. No card-free tier was found. Requests still processing after disconnection may be charged. Executed order forms can override self-service terms.",
      "priceSummary": "Pay per use",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 interface found in the reviewed pricing and API documentation on 9 October 2026. HTTP 402 means exhausted prepaid credit.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-09"
      },
      "docsUrl": "https://docs.celeris.ai/decisions",
      "llmsTxt": "https://docs.celeris.ai/llms.txt",
      "capabilities": [
        "inference.decision"
      ],
      "tags": [
        "hosted",
        "model",
        "closed-source",
        "multimodal",
        "llms-txt",
        "usage-priced",
        "status-page",
        "beta"
      ],
      "lastRelease": "2026-10-08",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 49.4,
        "grade": "D",
        "agentReady": false,
        "rank": 969,
        "ranked": true,
        "rankOf": 1244,
        "categoryRank": 18,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 80,
          "maintenance": 40,
          "payments": 20,
          "reliability": 40,
          "schema": 60,
          "security": 45,
          "transparency": 55
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-09"
        },
        "negative": 0,
        "verdict": "Typed probabilities, image inputs and optional explanations suit routing and classification inside an agent. Both System One and OpenAI Decisions request formats are documented. The service remains early access under its terms, activation can queue, and prepaid credit expires after 30 days. The published accuracy and latency figures are Celeris measurements, not Anchor Terminal tests.",
        "bestFor": "Multimodal classification, routing and bounded decisions with probabilities and optional explanations",
        "strengths": [
          "Typed binary, choice and score answers, with multiple questions about one state per request",
          "Text, JSON and images through System One, with optional explanations",
          "Decision inputs cost $0.04 per million tokens and outputs are free",
          "Markdown documentation, error recovery guidance and revocable workspace keys"
        ],
        "weaknesses": [
          "Early-access terms and capacity-dependent workspace activation",
          "Prepaid credit expires after 30 days, with a $5 minimum card purchase",
          "No numeric request-rate guarantee or decision-model context window found",
          "No explicit API training exclusion or prompt-retention period found in the reviewed policies",
          "Closed weights and no fine-tuning in this release"
        ],
        "agentNotes": [
          "Use the decision model path and matching model field. This model has no chat, Responses or models endpoint.",
          "Use at most 512 questions per request, or 64 with explanations. Both endpoints reject streaming.",
          "Preserve x_celeris in a custom Jev SDK response model when reading explanations. The default response type drops it.",
          "Retry 429 with Retry-After and backoff. Stop on 402 until workspace credit is replenished.",
          "Read usage.input_tokens for cost, including images and request overhead. Track credit expiry separately from token consumption."
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 49.4
          }
        ],
        "editorialScores": {
          "ergonomics": 80,
          "maintenance": 40,
          "payments": 20,
          "reliability": 40,
          "schema": 60,
          "security": 45,
          "transparency": 45
        },
        "provenanceScore": 64,
        "checked": {
          "categories": {
            "ergonomics": "2026-10-09",
            "maintenance": "2026-10-09",
            "payments": "2026-10-09",
            "reliability": "2026-10-09",
            "schema": "2026-10-09",
            "security": "2026-10-09",
            "transparency": "2026-10-09"
          },
          "last": "2026-10-09",
          "lastMoved": "2026-10-28",
          "oldest": "2026-10-09",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "http": "curl https://inference.celeris.ai/celeris-1-decision/v1/systemone \\\n  -H \"Authorization: Bearer $CELERIS_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"model\":\"celeris-1-decision\",\"state\":\"The customer requests a refund for a duplicate charge.\",\"questions\":{\"refund\":{\"type\":\"noul\",\"instructions\":\"The customer is asking for a refund.\"}},\"x_celeris\":{\"explain\":true}}'"
      },
      "letme": {
        "capability": "https://letme.dev/inference.decision",
        "tool": "https://letme.dev/celeris-1-decision"
      },
      "area": "models",
      "unitPrices": [
        {
          "item": "Decision input",
          "unit": "1m-tokens",
          "usd": 0.04,
          "note": "Includes cached input and image tokens. Prepaid credit expires after 30 days."
        },
        {
          "item": "Decision output",
          "unit": "1m-tokens",
          "usd": 0,
          "note": "Includes optional explanations."
        }
      ],
      "provenance": {
        "legalEntity": "Marqo Inc",
        "domain": "celeris.ai",
        "domainRegistered": "",
        "endpointOnVendorDomain": true,
        "terms": "https://celeris.ai/terms",
        "privacy": "https://celeris.ai/privacy",
        "statusPage": "https://status.celeris.ai/",
        "changelog": "",
        "securityTxt": "none",
        "checked": "2026-10-09",
        "notes": [
          "Terms dated 8 September 2026 and privacy notice dated 23 July 2026 name Marqo Inc operating as Celeris.",
          "No dedicated decision-model changelog or dated deprecation policy found.",
          "The public status history records an 11-hour-20-minute outage for the separate Celeris-1 model on 19 August 2026. It predates this decision model and is not counted as its outage.",
          "The standard well-known security.txt and docs OpenAPI JSON addresses returned HTTP 404. Domain registration was not checked."
        ],
        "score": 64
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/celeris-1-decision.json",
      "live": {
        "slug": "celeris-1-decision",
        "probe": {
          "target": "https://inference.celeris.ai/celeris-1-decision/v1/systemone",
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          "lastAt": "2026-10-31T05:25:54.372045449Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 325,
          "authRequired": false,
          "uptime24h": 98.8,
          "uptime30d": 99.91,
          "p50ms24h": 335,
          "p95ms24h": 431,
          "samples24h": 250,
          "samples30d": 5469,
          "days": [
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              "date": "2026-10-09",
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              "date": "2026-10-11",
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              "date": "2026-10-12",
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              "date": "2026-10-14",
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              "date": "2026-10-17",
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              "date": "2026-10-18",
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              "date": "2026-10-19",
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              "date": "2026-10-20",
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              "date": "2026-10-21",
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              "date": "2026-10-22",
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              "date": "2026-10-23",
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              "date": "2026-10-31",
              "probes": 57,
              "ok": 57
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        },
        "vendorStatus": {
          "page": "https://status.celeris.ai",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-31T04:11:49.264057112Z"
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        "securityTxt": {
          "url": "https://celeris.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-30T15:39:06.435104885Z"
        },
        "llmsTxt": {
          "url": "https://docs.celeris.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-30T15:06:46.550383392Z"
        },
        "domain": {
          "domain": "celeris.ai",
          "registered": "2024-05-26",
          "source": "https://rdap.identitydigital.services/rdap/domain/celeris.ai",
          "checkedAt": "2026-10-25T13:54:43.972848135Z"
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        "pages": [
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            "url": "https://celeris.ai/privacy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-30T05:32:52.357555138Z",
            "changedAt": "2026-10-16T22:18:23.205458141Z",
            "fingerprint": "cb780849f6fe"
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          {
            "url": "https://celeris.ai/terms",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-30T05:32:54.790383227Z",
            "changedAt": "2026-10-16T22:18:25.735125369Z",
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        ],
        "updatedAt": "2026-10-31T05:25:54.372045449Z"
      }
    },
    "answer": "RightNow System Zero scores 66.8 (B) on agent readiness against Celeris-1 Decision's 49.4 (D), and leads in every scored category.",
    "b": {
      "slug": "rightnow-system-zero",
      "name": "RightNow System Zero",
      "vendor": "RightNow AI, Inc.",
      "vendorUrl": "https://www.rightnowai.co",
      "kind": "model",
      "category": "decision-models",
      "summary": "RightNow System Zero is a hosted, closed-weight decision model from RightNow AI, Inc. It answers boolean, choice and score questions about text, JSON, images, WAV audio and PDFs with per-option probabilities, over HTTP or a WebSocket stream.",
      "url": "https://www.anchorterminal.com/tools/rightnow-system-zero",
      "markdownUrl": "https://www.anchorterminal.com/tools/rightnow-system-zero.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/rightnow-system-zero.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/rightnow-system-zero.json",
      "repo": "https://github.com/RightNow-AI/system-zero-sdk",
      "license": "Proprietary hosted model under RightNow AI terms of use; the SDKs are Apache-2.0",
      "transports": [
        "http",
        "websocket"
      ],
      "remoteUrl": "https://api.rightnowai.co/v1/system-zero/decide",
      "packages": [
        {
          "registry": "npm",
          "name": "@rightnowai/system-zero"
        },
        {
          "registry": "pypi",
          "name": "rightnow-system-zero"
        }
      ],
      "auth": "api-key",
      "authNotes": "Bearer workspace API key in the Authorization header, created in the console after signing in with Google, GitHub or email and passing a human check. Keys are shown once, revocable and unscoped. HTTPS and server side only, and the stream authenticates on the WebSocket upgrade. A call without a key returns 401 invalid_api_key.",
      "pricing": "usage",
      "pricingNotes": "Prepaid credit at USD 0.19 per million uncached text tokens (USD 0.019 cached), USD 0.00013 per answered question and USD 0.000055 per answered call, with output free and separate image, audio, PDF and preview video fees (price card G, 27 October 2026). USD 5 of starting credit per verified email, with eligibility checks and no card. Top-ups start at USD 5 and purchased credit expires after 12 months. Refused questions aren't charged.",
      "priceSummary": "$0.0001 / tx",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs, OpenAPI file or SDKs read on 31 October 2026. HTTP 402 insufficient_credits means the workspace's prepaid balance doesn't cover the call.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-31"
      },
      "docsUrl": "https://www.rightnowai.co/docs/system-zero",
      "llmsTxt": "https://www.rightnowai.co/llms.txt",
      "openapi": "https://raw.githubusercontent.com/RightNow-AI/system-zero-sdk/main/openapi.json",
      "capabilities": [
        "inference.decision"
      ],
      "tags": [
        "hosted",
        "model",
        "closed-source",
        "multimodal",
        "streaming",
        "websocket",
        "llms-txt",
        "openapi",
        "typescript",
        "python",
        "usage-priced",
        "prepaid",
        "no-card",
        "security-txt",
        "new"
      ],
      "lastRelease": "2026-10-27",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 66.8,
        "grade": "B",
        "agentReady": false,
        "rank": 320,
        "ranked": true,
        "rankOf": 1244,
        "categoryRank": 9,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 86,
          "maintenance": 68,
          "payments": 40,
          "reliability": 50,
          "schema": 83,
          "security": 70,
          "transparency": 70
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-31"
        },
        "negative": 0,
        "verdict": "A well-documented decision API with an OpenAPI file, idempotent retries, a detailed error catalogue, streaming over WebSocket and published per-unit prices with USD 5 of starting credit. Standard context is 38,000 tokens; the 64k, 128k and 1M bands are held and video is a preview. The latency and benchmark figures are RightNow's own, and several of its pages disagree.",
        "bestFor": "Typed decisions with per-option probabilities over text, JSON, images, audio and PDFs, including on streaming state",
        "strengths": [
          "Boolean, choice and score questions, up to 1,024 a call, answered with a probability per option and no output charge",
          "An OpenAPI 3.1.0 file, llms.txt, Markdown docs and an error catalogue with a retry flag on every code",
          "Idempotency keys with stored replays for up to 24 hours, used by default in the official TypeScript and Python SDKs",
          "A server-side WebSocket stream returns decisions tagged with the state version they cover",
          "Per-unit prices published without a login, and USD 5 of starting credit with no card"
        ],
        "weaknesses": [
          "Standard context is 38,000 tokens. The 64k, 128k and 1M bands are held, and video is a preview",
          "The status page's robots.txt disallows every path, and no SLA applies without a signed agreement",
          "Answers carry calibrated false in this release, so the probabilities aren't calibrated",
          "RightNow's pages disagree on audio formats, option counts, input kinds, starting-credit expiry and whether billing is open",
          "Latency and benchmark figures are RightNow's own, and the benchmark row is labelled 3.0.0 while the served model is 2.0.0"
        ],
        "agentNotes": [
          "Send audio only as inline 16,000 Hz WAV. The FLAC, MP3, OGG and MP4 audio named on the blog are refused with media_unsupported.",
          "Keep state under 38,000 tokens. Long-context requests return 404 long_context_not_available, which never succeeds on retry.",
          "Reuse the same Idempotency-Key and body on retries, and stop when error.retryable or x-should-retry is false.",
          "Check every entry in answers even on HTTP 200, since one question can be refused while the others are answered.",
          "Treat probabilities as uncalibrated while calibrated is false, and pin system-zero-2.0.0 when answers must not move with the alias."
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 66.8
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        ],
        "editorialScores": {
          "ergonomics": 86,
          "maintenance": 68,
          "payments": 40,
          "reliability": 50,
          "schema": 83,
          "security": 70,
          "transparency": 55
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        "provenanceScore": 84,
        "checked": {
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            "maintenance": "2026-10-31",
            "payments": "2026-10-31",
            "reliability": "2026-10-31",
            "schema": "2026-10-31",
            "security": "2026-10-31",
            "transparency": "2026-10-31"
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          "oldest": "2026-10-31",
          "stale": false,
          "staleAfterDays": 90
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      },
      "connect": {
        "install": "npm install @rightnowai/system-zero@0.4.2",
        "http": "curl https://api.rightnowai.co/v1/system-zero/decide \\\n  -H \"Authorization: Bearer $SYSTEM_ZERO_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"model\":\"system-zero\",\"state\":\"The blender I ordered arrived with a cracked jar.\",\"questions\":{\"damaged\":{\"type\":\"boolean\",\"instructions\":\"Did the item arrive damaged?\"}}}'"
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          "item": "Uncached text input",
          "unit": "1m-tokens",
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          "note": "Price card G, 27 October 2026. Output tokens are free."
        },
        {
          "item": "Cached text input",
          "unit": "1m-tokens",
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          "note": "Automatic caching, optional prompt_cache_key."
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        {
          "item": "Answered question",
          "unit": "tx",
          "usd": 0.00013,
          "note": "Refused questions aren't charged."
        },
        {
          "item": "Answered call fee",
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          "note": "Once per call with at least one answered question."
        },
        {
          "item": "Image input",
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          "note": "PNG or JPEG, up to 4 a call."
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        {
          "item": "Audio input",
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          "note": "16,000 Hz WAV only, counted per started second, minimum 50 seconds a file."
        },
        {
          "item": "PDF input",
          "unit": "1k-pages",
          "usd": 11,
          "note": "USD 0.011 a page, minimum USD 0.0055 a file, up to 500 pages."
        },
        {
          "item": "Video input (preview)",
          "unit": "video-second",
          "usd": 0.0018,
          "note": "Preview. Minimum USD 0.018 a file, up to 10 seconds."
        }
      ],
      "provenance": {
        "legalEntity": "RightNow AI, Inc.",
        "domain": "rightnowai.co",
        "domainRegistered": "2025-02-11",
        "endpointOnVendorDomain": true,
        "terms": "https://www.rightnowai.co/terms-of-use",
        "privacy": "https://www.rightnowai.co/privacy-policy",
        "statusPage": "https://status.rightnowai.co",
        "changelog": "https://www.rightnowai.co/docs/system-zero/release-notes",
        "securityTxt": "valid",
        "checked": "2026-10-31",
        "notes": [
          "The terms (version terms-2026-10-28-free5) and privacy policy (privacy-2026-10-28-free5) name RightNow AI, Inc., registered in Delaware at 131 Continental Dr, Newark, DE 19713, under Delaware law.",
          "RDAP at rdap.registry.co gives a registration date of 2025-02-11 for rightnowai.co.",
          "status.rightnowai.co is linked from the docs and footer and named in the privacy policy, but its robots.txt disallows every path, so its components and incident history were not read.",
          "security.txt at https://www.rightnowai.co/.well-known/security.txt is valid until 2027-09-20 and points to the contact page.",
          "robots.txt on www.rightnowai.co carries Content-Signal search=yes, ai-input=yes, ai-train=yes."
        ],
        "score": 84
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/rightnow-system-zero.json",
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          "p95ms24h": 244,
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        },
        "vendorStatus": {
          "page": "https://status.rightnowai.co",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-31T04:13:05.315091541Z"
        },
        "updatedAt": "2026-10-31T05:26:14.484043664Z"
      }
    },
    "facts": [
      {
        "a": "Model API",
        "b": "Model API",
        "name": "Kind"
      },
      {
        "a": "Celeris (Marqo Inc)",
        "b": "RightNow AI, Inc.",
        "name": "Vendor"
      },
      {
        "a": "https://inference.celeris.ai/celeris-1-decision/v1/systemone",
        "b": "https://api.rightnowai.co/v1/system-zero/decide",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP",
        "b": "HTTP, websocket",
        "name": "Transports"
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      {
        "a": "API key",
        "b": "API key",
        "name": "Auth"
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      {
        "a": "Pay per use",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "free",
        "b": "not published",
        "name": "Price for decision models"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary hosted model under Celeris terms of service",
        "b": "Proprietary hosted model under RightNow AI terms of use; the SDKs are Apache-2.0",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
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        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
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        "name": "Last release"
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        "a": "2026-09-08",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "2026-07-23",
        "b": "no date given",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
      }
    ],
    "faq": [
      {
        "answer": "RightNow System Zero scores 66.8 (B) on agent readiness against Celeris-1 Decision's 49.4 (D), and leads in every scored category.",
        "question": "Which is better for AI agents, Celeris-1 Decision or RightNow System Zero?"
      },
      {
        "answer": "Both need an API key.",
        "question": "Do Celeris-1 Decision and RightNow System Zero need an API key?"
      },
      {
        "answer": "Yes. Celeris-1 Decision has a hosted endpoint at https://inference.celeris.ai/celeris-1-decision/v1/systemone and RightNow System Zero at https://api.rightnowai.co/v1/system-zero/decide.",
        "question": "Can an agent call Celeris-1 Decision and RightNow System Zero without installing anything?"
      }
    ],
    "goodFor": [
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        "watchFor": "Early-access terms and capacity-dependent workspace activation"
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          "Reliability, 50 against 40",
          "Schema \u0026 documentation, 83 against 60",
          "Agent ergonomics, 86 against 80",
          "Security \u0026 auth, 70 against 45",
          "Payments \u0026 pricing, 40 against 20",
          "Maintenance \u0026 community, 68 against 40",
          "Transparency \u0026 trust, 70 against 55"
        ],
        "also": [
          "Free to start without a card"
        ],
        "goodFor": "Typed decisions with per-option probabilities over text, JSON, images, audio and PDFs, including on streaming state",
        "slug": "rightnow-system-zero",
        "watchFor": "Standard context is 38,000 tokens. The 64k, 128k and 1M bands are held, and video is a preview"
      }
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-jaredpalmer-kev.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-liquid-d1.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-microsoft-decision-1.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-nace-drex.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-pplx-decider.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-scaledown.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-sprag-spev.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-strands-decider.json",
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        "json": "https://www.anchorterminal.com/compare/celeris-1-decision-vs-typesafe-jev.json",
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      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-clef-vs-rightnow-system-zero.json",
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        "url": "https://www.anchorterminal.com/compare/cloudflare-clef-vs-rightnow-system-zero"
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        "json": "https://www.anchorterminal.com/compare/convai-laya-vs-rightnow-system-zero.json",
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        "json": "https://www.anchorterminal.com/compare/gliclass-vs-rightnow-system-zero.json",
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        "json": "https://www.anchorterminal.com/compare/granite-switch-vs-rightnow-system-zero.json",
        "title": "Granite Switch 4.1 vs RightNow System Zero",
        "url": "https://www.anchorterminal.com/compare/granite-switch-vs-rightnow-system-zero"
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      {
        "json": "https://www.anchorterminal.com/compare/jaredpalmer-kev-vs-rightnow-system-zero.json",
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        "json": "https://www.anchorterminal.com/compare/nace-drex-vs-rightnow-system-zero.json",
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    "scores": [
      {
        "by": 10,
        "celeris-1-decision": 40,
        "edge": "rightnow-system-zero",
        "key": "reliability",
        "name": "Reliability",
        "rightnow-system-zero": 50,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 23,
        "celeris-1-decision": 60,
        "edge": "rightnow-system-zero",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "rightnow-system-zero": 83,
        "weight": 13
      },
      {
        "by": 6,
        "celeris-1-decision": 80,
        "edge": "rightnow-system-zero",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "rightnow-system-zero": 86,
        "weight": 13
      },
      {
        "by": 25,
        "celeris-1-decision": 45,
        "edge": "rightnow-system-zero",
        "key": "security",
        "name": "Security \u0026 auth",
        "rightnow-system-zero": 70,
        "weight": 14
      },
      {
        "by": 20,
        "celeris-1-decision": 20,
        "edge": "rightnow-system-zero",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "rightnow-system-zero": 40,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 28,
        "celeris-1-decision": 40,
        "edge": "rightnow-system-zero",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "rightnow-system-zero": 68,
        "weight": 7
      },
      {
        "by": 15,
        "celeris-1-decision": 55,
        "edge": "rightnow-system-zero",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "rightnow-system-zero": 70,
        "weight": 7
      }
    ],
    "summary": "RightNow System Zero scores 66.8 (B) on agent readiness against Celeris-1 Decision's 49.4 (D), and leads in every scored category. Both do decision models.",
    "tutorials": [],
    "verdicts": {
      "celeris-1-decision": "Typed probabilities, image inputs and optional explanations suit routing and classification inside an agent. Both System One and OpenAI Decisions request formats are documented. The service remains early access under its terms, activation can queue, and prepaid credit expires after 30 days. The published accuracy and latency figures are Celeris measurements, not Anchor Terminal tests.",
      "rightnow-system-zero": "A well-documented decision API with an OpenAPI file, idempotent retries, a detailed error catalogue, streaming over WebSocket and published per-unit prices with USD 5 of starting credit. Standard context is 38,000 tokens; the 64k, 128k and 1M bands are held and video is a preview. The latency and benchmark figures are RightNow's own, and several of its pages disagree."
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  "markdown": "RightNow System Zero scores 66.8 (B) on agent readiness against Celeris-1 Decision's 49.4 (D), and leads in every scored category. Both do decision models.\n\n- Celeris-1 Decision: grade D, 49.4/100, rank #969 of 1244. Markdown https://www.anchorterminal.com/tools/celeris-1-decision.md · JSON https://www.anchorterminal.com/api/v1/tools/celeris-1-decision.json\n- RightNow System Zero: grade B, 66.8/100, rank #320 of 1244. Markdown https://www.anchorterminal.com/tools/rightnow-system-zero.md · JSON https://www.anchorterminal.com/api/v1/tools/rightnow-system-zero.json\n- Best decision models for AI agents: https://www.anchorterminal.com/best/decision-models/index.md\n- All 220 decisions comparisons: https://www.anchorterminal.com/compare/decision-models/index.md\n\n## Which one, for what\n\n### Celeris-1 Decision (D)\n\nGood for: Multimodal classification, routing and bounded decisions with probabilities and optional explanations\n\nWatch for: Early-access terms and capacity-dependent workspace activation\n\n### RightNow System Zero (B)\n\nGood for: Typed decisions with per-option probabilities over text, JSON, images, audio and PDFs, including on streaming state\n\nAhead on:\n- Reliability, 50 against 40\n- Schema \u0026 documentation, 83 against 60\n- Agent ergonomics, 86 against 80\n- Security \u0026 auth, 70 against 45\n- Payments \u0026 pricing, 40 against 20\n- Maintenance \u0026 community, 68 against 40\n- Transparency \u0026 trust, 70 against 55\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: Standard context is 38,000 tokens. The 64k, 128k and 1M bands are held, and video is a preview\n\n\n## Score by category\n\n| Category | Weight | Celeris-1 Decision | RightNow System Zero | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 40 | 50 | RightNow System Zero +10 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 60 | 83 | RightNow System Zero +23 |\n| Agent ergonomics | 13% (16.2 this run) | 80 | 86 | RightNow System Zero +6 |\n| Security \u0026 auth | 14% (17.5 this run) | 45 | 70 | RightNow System Zero +25 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 40 | RightNow System Zero +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 40 | 68 | RightNow System Zero +28 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 55 | 70 | RightNow System Zero +15 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **49.4 · D** | **66.8 · B** | |\n\n## Facts side by side\n\n| Fact | Celeris-1 Decision | RightNow System Zero |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Celeris (Marqo Inc) | RightNow AI, Inc. |\n| Hosted endpoint | `https://inference.celeris.ai/celeris-1-decision/v1/systemone` | `https://api.rightnowai.co/v1/system-zero/decide` |\n| Transports | HTTP | HTTP, websocket |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| Price for decision models | free | not published |\n| x402 | no | no |\n| Licence | Proprietary hosted model under Celeris terms of service | Proprietary hosted model under RightNow AI terms of use; the SDKs are Apache-2.0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-08 | 2026-10-27 |\n| Terms last updated | 2026-09-08 | no date given |\n| Privacy policy last updated | 2026-07-23 | no date given |\n| Customer content may train models | not found in the text | yes |\n| Terms restrict automated access | not found in the text | yes |\n| Terms restrict benchmarking | yes | not found in the text |\n| Terms or service can change without notice | not found in the text | not found in the text |\n| Arbitration or class-action waiver | not found in the text | not found in the text |\n\n## Verdicts\n\n**Celeris-1 Decision.** Typed probabilities, image inputs and optional explanations suit routing and classification inside an agent. Both System One and OpenAI Decisions request formats are documented. The service remains early access under its terms, activation can queue, and prepaid credit expires after 30 days. The published accuracy and latency figures are Celeris measurements, not Anchor Terminal tests.\n\n**RightNow System Zero.** A well-documented decision API with an OpenAPI file, idempotent retries, a detailed error catalogue, streaming over WebSocket and published per-unit prices with USD 5 of starting credit. Standard context is 38,000 tokens; the 64k, 128k and 1M bands are held and video is a preview. The latency and benchmark figures are RightNow's own, and several of its pages disagree.\n\n## Before you call either\n\n### Celeris-1 Decision\n\n1. Use the decision model path and matching model field. This model has no chat, Responses or models endpoint.\n2. Use at most 512 questions per request, or 64 with explanations. Both endpoints reject streaming.\n3. Preserve x_celeris in a custom Jev SDK response model when reading explanations. The default response type drops it.\n4. Retry 429 with Retry-After and backoff. Stop on 402 until workspace credit is replenished.\n5. Read usage.input_tokens for cost, including images and request overhead. Track credit expiry separately from token consumption.\n\n### RightNow System Zero\n\n1. Send audio only as inline 16,000 Hz WAV. The FLAC, MP3, OGG and MP4 audio named on the blog are refused with media_unsupported.\n2. Keep state under 38,000 tokens. Long-context requests return 404 long_context_not_available, which never succeeds on retry.\n3. Reuse the same Idempotency-Key and body on retries, and stop when error.retryable or x-should-retry is false.\n4. Check every entry in answers even on HTTP 200, since one question can be refused while the others are answered.\n5. Treat probabilities as uncalibrated while calibrated is false, and pin system-zero-2.0.0 when answers must not move with the alias.\n\n## Questions\n\n### Which is better for AI agents, Celeris-1 Decision or RightNow System Zero?\n\nRightNow System Zero scores 66.8 (B) on agent readiness against Celeris-1 Decision's 49.4 (D), and leads in every scored category.\n\n### Do Celeris-1 Decision and RightNow System Zero need an API key?\n\nBoth need an API key.\n\n### Can an agent call Celeris-1 Decision and RightNow System Zero without installing anything?\n\nYes. Celeris-1 Decision has a hosted endpoint at https://inference.celeris.ai/celeris-1-decision/v1/systemone and RightNow System Zero at https://api.rightnowai.co/v1/system-zero/decide.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/celeris-1-decision-vs-rightnow-system-zero.json, and with the fewest tokens: https://www.anchorterminal.com/compare/celeris-1-decision-vs-rightnow-system-zero.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"celeris-1-decision\", \"b\": \"rightnow-system-zero\"}`. From a terminal: `anchor compare celeris-1-decision rightnow-system-zero`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/celeris-1-decision.json and https://www.anchorterminal.com/api/v1/tools/rightnow-system-zero.json\n\n## Other comparisons with Celeris-1 Decision or RightNow System Zero\n\n- [Celeris-1 Decision vs Clef](https://www.anchorterminal.com/compare/celeris-1-decision-vs-cloudflare-clef.md)\n- [Celeris-1 Decision vs Laya](https://www.anchorterminal.com/compare/celeris-1-decision-vs-convai-laya.md)\n- [Celeris-1 Decision vs Decider](https://www.anchorterminal.com/compare/celeris-1-decision-vs-decider.md)\n- [Celeris-1 Decision vs Decision 3.0](https://www.anchorterminal.com/compare/celeris-1-decision-vs-decision-3.md)\n- [Celeris-1 Decision vs GLiClass](https://www.anchorterminal.com/compare/celeris-1-decision-vs-gliclass.md)\n- [Celeris-1 Decision vs Granite Switch 4.1](https://www.anchorterminal.com/compare/celeris-1-decision-vs-granite-switch.md)\n- [Celeris-1 Decision vs Kev](https://www.anchorterminal.com/compare/celeris-1-decision-vs-jaredpalmer-kev.md)\n- [Celeris-1 Decision vs Liquid d1](https://www.anchorterminal.com/compare/celeris-1-decision-vs-liquid-d1.md)\n- [Celeris-1 Decision vs Microsoft-Decision-1](https://www.anchorterminal.com/compare/celeris-1-decision-vs-microsoft-decision-1.md)\n- [Celeris-1 Decision vs Drex 1.5](https://www.anchorterminal.com/compare/celeris-1-decision-vs-nace-drex.md)\n- [Celeris-1 Decision vs OpenAI Decisions API](https://www.anchorterminal.com/compare/celeris-1-decision-vs-openai-decisions-api.md)\n- [Celeris-1 Decision vs pplx-decider](https://www.anchorterminal.com/compare/celeris-1-decision-vs-pplx-decider.md)\n- [Celeris-1 Decision vs pplx-decider-flash](https://www.anchorterminal.com/compare/celeris-1-decision-vs-pplx-decider-flash.md)\n- [Celeris-1 Decision vs ScaleDown](https://www.anchorterminal.com/compare/celeris-1-decision-vs-scaledown.md)\n- [Celeris-1 Decision vs SPEV](https://www.anchorterminal.com/compare/celeris-1-decision-vs-sprag-spev.md)\n- [Celeris-1 Decision vs kettei](https://www.anchorterminal.com/compare/celeris-1-decision-vs-sqwish-kettei.md)\n- [Celeris-1 Decision vs Strands Decider 2B](https://www.anchorterminal.com/compare/celeris-1-decision-vs-strands-decider.md)\n- [Celeris-1 Decision vs Jev](https://www.anchorterminal.com/compare/celeris-1-decision-vs-typesafe-jev.md)\n- [Celeris-1 Decision vs Vela 2.0](https://www.anchorterminal.com/compare/celeris-1-decision-vs-vela.md)\n- [Clef vs RightNow System Zero](https://www.anchorterminal.com/compare/cloudflare-clef-vs-rightnow-system-zero.md)\n- [Laya vs RightNow System Zero](https://www.anchorterminal.com/compare/convai-laya-vs-rightnow-system-zero.md)\n- [Decider vs RightNow System Zero](https://www.anchorterminal.com/compare/decider-vs-rightnow-system-zero.md)\n- [Decision 3.0 vs RightNow System Zero](https://www.anchorterminal.com/compare/decision-3-vs-rightnow-system-zero.md)\n- [GLiClass vs RightNow System Zero](https://www.anchorterminal.com/compare/gliclass-vs-rightnow-system-zero.md)\n- [Granite Switch 4.1 vs RightNow System Zero](https://www.anchorterminal.com/compare/granite-switch-vs-rightnow-system-zero.md)\n- [Kev vs RightNow System Zero](https://www.anchorterminal.com/compare/jaredpalmer-kev-vs-rightnow-system-zero.md)\n- [Liquid d1 vs RightNow System Zero](https://www.anchorterminal.com/compare/liquid-d1-vs-rightnow-system-zero.md)\n- [Microsoft-Decision-1 vs RightNow System Zero](https://www.anchorterminal.com/compare/microsoft-decision-1-vs-rightnow-system-zero.md)\n- [Drex 1.5 vs RightNow System Zero](https://www.anchorterminal.com/compare/nace-drex-vs-rightnow-system-zero.md)\n- [OpenAI Decisions API vs RightNow System Zero](https://www.anchorterminal.com/compare/openai-decisions-api-vs-rightnow-system-zero.md)\n- [pplx-decider-flash vs RightNow System Zero](https://www.anchorterminal.com/compare/pplx-decider-flash-vs-rightnow-system-zero.md)\n- [pplx-decider vs RightNow System Zero](https://www.anchorterminal.com/compare/pplx-decider-vs-rightnow-system-zero.md)\n- [RightNow System Zero vs ScaleDown](https://www.anchorterminal.com/compare/rightnow-system-zero-vs-scaledown.md)\n- [RightNow System Zero vs SPEV](https://www.anchorterminal.com/compare/rightnow-system-zero-vs-sprag-spev.md)\n- [RightNow System Zero vs kettei](https://www.anchorterminal.com/compare/rightnow-system-zero-vs-sqwish-kettei.md)\n- [RightNow System Zero vs Strands Decider 2B](https://www.anchorterminal.com/compare/rightnow-system-zero-vs-strands-decider.md)\n- [RightNow System Zero vs Jev](https://www.anchorterminal.com/compare/rightnow-system-zero-vs-typesafe-jev.md)\n- [RightNow System Zero vs Vela 2.0](https://www.anchorterminal.com/compare/rightnow-system-zero-vs-vela.md)\n",
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