{ "data": { "a": { "slug": "honeyhive", "name": "HoneyHive", "vendor": "HoneyHive", "vendorUrl": "https://www.honeyhive.ai", "kind": "http-api", "category": "agent-observability", "summary": "Hosted tracing, evaluation, datasets and prompt management for agents, built on OpenTelemetry.", "url": "https://www.anchorterminal.com/tools/honeyhive", "markdownUrl": "https://www.anchorterminal.com/tools/honeyhive.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/honeyhive.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/honeyhive.json", "repo": "https://github.com/honeyhiveai/python-sdk", "license": "MIT (SDK, CLI and OpenAPI specs only, platform closed source)", "transports": [ "http" ], "remoteUrl": "https://api.dp1.us.honeyhive.ai", "packages": [ { "registry": "pypi", "name": "honeyhive" }, { "registry": "npm", "name": "honeyhive" } ], "auth": "api-key", "authNotes": "Bearer API keys in four types. Project keys (`hh_`) and read-only project keys (`hh_ro_`) for the data plane, ingestion keys (`hh_ingst_`) that can only send traces and events to one project, and fine-grained keys (`hh_fgcp_`) for the control plane, scoped to an organisation or workspace with chosen permissions and a required expiry of at most 365 days. Data plane at api.dp1.us.honeyhive.ai, control plane at api.cp.us.honeyhive.ai. Since 24 September 2026 invalid keys and permission failures return 404. Self-hosted deployments can use an OIDC identity provider.", "pricing": "freemium", "pricingNotes": "Free Developer plan with 10,000 events a month, up to 5 users and 30-day retention. An event is one trace span or one metric label. Enterprise is custom with unlimited users and workspaces, custom retention and self-hosting. No self-serve paid tier is published (https://www.honeyhive.ai/pricing).", "priceSummary": "Freemium", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 60, "pypiWeekly": 2105, "asOf": "2026-09-30" }, "docsUrl": "https://docs.honeyhive.ai", "llmsTxt": "https://docs.honeyhive.ai/llms.txt", "openapi": "https://raw.githubusercontent.com/honeyhiveai/honeyhive-openapi/main/data_plane_openapi.yaml", "capabilities": [ "obs.traces", "obs.evals", "obs.prompts", "obs.datasets" ], "tags": [ "hosted", "freemium", "llms-txt", "openapi", "python", "typescript", "closed-source", "enterprise", "self-hosted" ], "lastRelease": "2026-09-29", "graded": true, "anchor": { "graded": true, "score": 55.7, "grade": "C", "agentReady": false, "rank": 503, "ranked": true, "rankOf": 722, "categoryRank": 8, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 63, "maintenance": 77, "payments": 20, "reliability": 44, "schema": 86, "security": 61, "transparency": 66 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": -3, "negativeNotes": [ "2026-09-22 to 2026-09-24. The API stopped returning 401 for invalid, revoked or expired keys and 403 for permission failures, and now answers 404 for all of them, on every client version. It was announced in the CLI 1.7.0 changelog on 22 September and the product changelog on 24 September, with no deprecation window. -3 (https://github.com/honeyhiveai/honeyhive-cli/blob/main/CHANGELOG.md)" ], "verdict": "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.", "bestFor": "Teams that want OpenTelemetry tracing and evals with tight key scoping, drive the platform from a CLI and can talk to sales for volume.", "strengths": [ "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys", "Public OpenAPI 3.1 specs for data plane and control plane under MIT, with an oasdiff-generated changelog", "CLI generated one to one from the specs, plus agent skills and Markdown docs", "Python SDK 1.6.1 and CLI 1.7.0 released in the last two weeks of September 2026", "Free plan with 30-day retention, 1,000 requests a minute and no card" ], "weaknesses": [ "Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history", "No MCP server for trace data, only a docs search MCP", "No self-serve paid tier, only Free and a sales-led Enterprise plan", "Since 24 September 2026 invalid keys and permission failures return 404, with no deprecation window", "Event search returns up to 1,000 rows by default with no field selection" ], "agentNotes": [ "Give the agent a read-only `hh_ro_` key for analysis and a separate `hh_ingst_` key for sending traces", "Treat a 404 as possibly a bad, revoked or expired key before assuming the record is missing", "Set `limit` on `POST /v1/events/search`. The default is 1,000 rows", "Use the CLI (`brew tap honeyhiveai/tap \u0026\u0026 brew install honeyhive`) from a coding agent. It maps one command to each API endpoint", "Control plane commands need an `hh_fgcp_` key and the control plane host api.cp.us.honeyhive.ai" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 55.7 } ], "editorialScores": { "ergonomics": 63, "maintenance": 77, "payments": 20, "reliability": 44, "schema": 86, "security": 61, "transparency": 54 }, "provenanceScore": 77 }, "connect": { "http": "curl https://api.dp1.us.honeyhive.ai/v1/datasets -H \"Authorization: Bearer $HH_API_KEY\"" }, "letme": { "capability": "https://letme.dev/obs.traces", "tool": "https://letme.dev/honeyhive" }, "area": "developer", "provenance": { "legalEntity": "HoneyHive Inc.", "domain": "honeyhive.ai", "domainRegistered": "2022-07-28", "endpointOnVendorDomain": true, "terms": "https://www.honeyhive.ai/legal/terms-of-service", "privacy": "https://www.honeyhive.ai/legal/privacy-policy", "statusPage": "https://status.honeyhive.ai", "changelog": "https://docs.honeyhive.ai/v2/changelog/product", "securityTxt": "none", "checked": "2026-09-30", "score": 77 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/honeyhive.json", "live": { "slug": "honeyhive", "probe": { "target": "https://api.dp1.us.honeyhive.ai", "method": "get", "lastAt": "2026-10-08T21:53:23.857185319Z", "lastOk": true, "lastStatus": 404, "lastMs": 454, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 451, "p95ms24h": 495, "samples24h": 270, "samples30d": 2164, "days": [ { "date": "2026-09-30", "probes": 35, "ok": 35 }, { "date": "2026-10-01", "probes": 276, "ok": 276 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 272, "ok": 272 }, { "date": "2026-10-06", "probes": 272, "ok": 272 }, { "date": "2026-10-07", "probes": 272, "ok": 272 }, { "date": "2026-10-08", "probes": 246, "ok": 246 } ] }, "vendorStatus": { "page": "https://status.honeyhive.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-08T19:38:40.766960089Z" }, "versions": [ { "registry": "github", "name": "honeyhiveai/python-sdk", "version": "v1.7.0", "released": "2026-10-05", "seenAt": "2026-10-08T16:16:01.208113943Z" }, { "registry": "npm", "name": "honeyhive", "version": "1.0.45", "seenAt": "2026-10-08T16:15:57.624781799Z" }, { "registry": "pypi", "name": "honeyhive", "version": "1.7.0", "released": "2026-10-05", "seenAt": "2026-10-08T16:15:57.42796735Z" } ], "githubStars": 3, "npmWeekly": 115, "pypiWeekly": 1944, "securityTxt": { "url": "https://honeyhive.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-08T15:38:54.163494205Z" }, "llmsTxt": { "url": "https://docs.honeyhive.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-08T14:00:31.056206572Z" }, "domain": { "domain": "honeyhive.ai", "registered": "2022-07-28", "source": "https://rdap.identitydigital.services/rdap/domain/honeyhive.ai", "checkedAt": "2026-10-04T13:04:07.481546397Z" }, "pages": [ { "url": "https://docs.honeyhive.ai/v2/changelog/product", "kind": "changelog", "status": 200, "checkedAt": "2026-10-08T18:18:52.072760965Z", "changedAt": "2026-10-06T16:08:15.043187228Z", "fingerprint": "b4f7689cee2e" }, { "url": "https://www.honeyhive.ai/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-08T18:28:20.326329523Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5861207b5e2f" }, { "url": "https://www.honeyhive.ai/legal/privacy-policy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-08T18:28:16.287308898Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "728d616153ce" }, { "url": "https://www.honeyhive.ai/legal/terms-of-service", "kind": "terms", "status": 304, "checkedAt": "2026-10-08T18:28:18.332945271Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "68e3e45c1001" } ], "updatedAt": "2026-10-08T21:53:23.857185319Z" } }, "answer": "Prefactor scores 65.6 (B) on agent readiness against HoneyHive's 55.7 (C), and leads in 4 of 7 scored categories. HoneyHive leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust.", "b": { "slug": "prefactor", "name": "Prefactor", "vendor": "Prefactor Pty Ltd", "vendorUrl": "https://prefactor.tech", "kind": "http-api", "category": "agent-observability", "summary": "Prefactor is a hosted service that records AI agent runs as spans, classifies each run's data risk and stores quality evaluations. Agents and scripts reach it through an HTTP and WebSocket API, TypeScript and Python SDKs and a CLI.", "url": "https://www.anchorterminal.com/tools/prefactor", "markdownUrl": "https://www.anchorterminal.com/tools/prefactor.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/prefactor.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/prefactor.json", "repo": "https://github.com/prefactordev/typescript-sdk", "license": "Proprietary hosted service. The TypeScript and Python SDKs and the CLI are MIT", "transports": [ "http" ], "remoteUrl": "https://app.prefactorai.com/api/v1", "packages": [ { "registry": "npm", "name": "@prefactor/core" }, { "registry": "npm", "name": "@prefactor/cli" }, { "registry": "pypi", "name": "prefactor-core" } ], "auth": "api-key", "authNotes": "Self-serve. A person signs in at app.prefactorai.com and creates an API token, sent as `Authorization: Bearer \u003ctoken\u003e`. Account tokens reach every agent in the account. Deployment tokens are bound to one agent in one environment. The OpenAPI document adds a `role` of `read_only` or `full_access` (the default) and an `expires_at` that defaults to two years. Tokens can be suspended, reactivated and revoked. `POST /api_token` mints tokens with an existing token.", "pricing": "freemium", "pricingNotes": "Free Dev plan with 5,000 spans a month, up to 3 agents and 7-day retention, no card required, so an agent's owner can start without a contract. Startup is $49 a month ($499 a year) with 15,000 spans, then $0.0025 a span. Scaleup is $199 a month ($2,000 a year) with 100,000 spans, then $2.50 per 1,000 spans monthly or $2.00 on the annual plan. Enterprise, from 4 million spans a month, is by quote. A span is one LLM call, tool call, message turn or custom step. Seats are unlimited on every plan (https://prefactor.tech/pricing).", "priceSummary": "$49 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs, the OpenAPI document or the pricing page (checked 2026-10-08).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 3, "npmWeekly": 19, "pypiWeekly": 28, "asOf": "2026-10-08" }, "docsUrl": "https://docs.prefactor.ai", "llmsTxt": "https://docs.prefactor.ai/llms.txt", "openapi": "https://app.prefactorai.com/api/v1/openapi", "capabilities": [ "obs.traces", "obs.evals" ], "tags": [ "hosted", "freemium", "no-card", "llms-txt", "openapi", "python", "typescript", "closed-source", "enterprise", "status-page" ], "lastRelease": "2026-09-13", "graded": true, "anchor": { "graded": true, "score": 65.6, "grade": "B", "agentReady": false, "rank": 253, "ranked": true, "rankOf": 722, "categoryRank": 4, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 88, "maintenance": 82, "payments": 40, "reliability": 78, "schema": 80, "security": 56, "transparency": 42 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-08" }, "negative": -3, "negativeNotes": [ "2026-10-08. The pricing page lists 'Hold, approve or block in real time' and PII detection on every plan, and the security page lists manual approval workflows and fine-grained RBAC. The vendor's own docs say crossing a risk threshold does not block or terminate a run, that Prefactor does not detect sensitive data, and that accounts have no role-based permissions. The OpenAPI and OpenRPC documents have no approval operation. Counted as a misleading claim (-3). The docs may lag the product, since the API has hosted judge operations they do not describe (https://prefactor.tech/pricing, https://prefactor.tech/security, https://docs.prefactor.ai/llms-full.txt)." ], "verdict": "The public OpenAPI document lists 157 operations, each accepting an idempotency key, and tokens can be read-only or bound to one agent deployment. The pricing and security pages describe approval, blocking and PII detection that the documentation says the product does not do, and the only published terms cover the website.", "bestFor": "A team that wants an auditable record of agent runs with declared data-risk labels, quality payloads from its own evaluations and a remote stop signal.", "strengths": [ "Public OpenAPI 3.0 document with 157 operations and an OpenRPC document with 159 WebSocket methods, both fetched without a login", "Every write accepts an `idempotency_key`, and `POST /bulk` can be retried whole because a reused key fails only its own item", "Tokens are scoped to the account or to one agent deployment, carry a `read_only` or `full_access` role and an expiry, and can be suspended or revoked", "A 429 response carries `Retry-After` and `retry_after_ms`, and both SDKs retry with exponential backoff and jitter", "The free Dev plan includes 5,000 spans a month with no card, and the overage price per span is published" ], "weaknesses": [ "The pricing page lists hold, approve or block and PII detection on every plan, while the docs say a risk threshold blocks nothing and that Prefactor does not detect sensitive data", "No approval operation exists in the OpenAPI or OpenRPC documents. The documented control is a cooperative terminate signal the agent's own code must obey", "The published terms of service cover the website. No service agreement, DPA, sub-processor list or SLA text was found", "Rate limits are described by scope with no numbers", "No security.txt and no certification held. The security page says SOC 2 Type II is in progress" ], "agentNotes": [ "Send requests to `https://app.prefactorai.com/api/v1` with `Authorization: Bearer \u003ctoken\u003e`. The API host is not on the `prefactor.tech` or `prefactor.ai` domains", "Ask for a deployment-scoped token, or an account token created with `role` set to `read_only`, since the default role is `full_access` with a two-year expiry", "Pass `redacted: true` on span list and detail queries, because the API returns marked sensitive values unless asked otherwise", "On 429 wait for `retry_after_ms`. Limits use one-minute windows and the SDKs' default retries ignore the server's hint", "Treat terminate as a request. Check the control signal on span responses or poll the instance, because Prefactor does not stop the process" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 65.6 } ], "editorialScores": { "ergonomics": 88, "maintenance": 82, "payments": 40, "reliability": 78, "schema": 80, "security": 56, "transparency": 34 }, "provenanceScore": 50 }, "connect": { "install": "npm install @prefactor/core", "http": "curl https://app.prefactorai.com/api/v1/agent \\\n -H \"Authorization: Bearer $PREFACTOR_API_TOKEN\"" }, "letme": { "capability": "https://letme.dev/obs.traces", "tool": "https://letme.dev/prefactor" }, "area": "developer", "unitPrices": [ { "item": "Startup plan", "unit": "month", "usd": 49, "note": "15,000 spans included, 3-month retention" }, { "item": "Scaleup plan", "unit": "month", "usd": 199, "note": "100,000 spans included, 12-month retention" }, { "item": "Span beyond the Startup allowance", "unit": "record", "usd": 0.0025 }, { "item": "Span beyond the Scaleup allowance", "unit": "record", "usd": 0.0025, "note": "$2.50 per 1,000 on monthly billing, $2.00 on annual" } ], "provenance": { "legalEntity": "Prefactor Pty Ltd", "domain": "prefactor.tech", "domainRegistered": "2024-10-16", "endpointOnVendorDomain": false, "terms": "", "privacy": "https://prefactor.tech/privacy-policy", "statusPage": "https://status.prefactor.ai", "changelog": "https://prefactor.tech/changelog", "securityTxt": "none", "checked": "2026-10-08", "notes": [ "prefactor.tech/llms.txt names Prefactor Pty Ltd, founded 2024, headquartered in Australia. The legal documents name the same entity and New South Wales law.", "`terms` is left out. The only published terms (last updated 17 March 2026) govern use of the website at prefactor.tech and are a generated website template. No service agreement, API terms or DPA was found on the site or in its sitemap.", "The privacy policy and terms pages are drawn by script from GetTerms. We read them from the feed the pages load (gettermscdn.com) and could render only the regional sections of the privacy policy, not its main body.", "The API answers at app.prefactorai.com, a third domain of the vendor's registered on 18 December 2025. The site is on prefactor.tech and the docs on docs.prefactor.ai.", "RDAP gives prefactor.tech a registration date of 16 October 2024 and an expiry of 16 October 2026, eight days after this check.", "prefactor.tech, app.prefactorai.com and docs.prefactor.ai each return 404 for /.well-known/security.txt. The security page asks for reports by email and promises an acknowledgement within 24 hours.", "status.prefactor.ai is an UptimeRobot page. We found no link to it on the site or docs pages we read." ], "score": 50 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/prefactor.json", "live": { "slug": "prefactor", "probe": { "target": "https://app.prefactorai.com/api/v1", "method": "get", "lastAt": "2026-10-08T21:53:31.287886279Z", "lastOk": true, "lastStatus": 404, "lastMs": 182, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 343, "p95ms24h": 431, "samples24h": 28, "samples30d": 28, "days": [ { "date": "2026-10-08", "probes": 28, "ok": 28 } ] }, "vendorStatus": { "page": "https://status.prefactor.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-08T19:39:04.756104641Z" }, "updatedAt": "2026-10-08T21:53:31.287886279Z" } }, "facts": [ { "a": "HTTP API", "b": "HTTP API", "name": "Kind" }, { "a": "HoneyHive", "b": "Prefactor Pty Ltd", "name": "Vendor" }, { "a": "https://api.dp1.us.honeyhive.ai", "b": "https://app.prefactorai.com/api/v1", "name": "Hosted endpoint" }, { "a": "HTTP", "b": "HTTP", "name": "Transports" }, { "a": "API key", "b": "API key", "name": "Auth" }, { "a": "Freemium", "b": "Freemium", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "MIT (SDK, CLI and OpenAPI specs only, platform closed source)", "b": "Proprietary hosted service. The TypeScript and Python SDKs and the CLI are MIT", "name": "Licence" }, { "a": "yes", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-09-29", "b": "2026-09-13", "name": "Last release" }, { "a": "2025-01-06", "b": "no document linked", "name": "Terms last updated" }, { "a": "2025-01-11", "b": "couldn't be read", "name": "Privacy policy last updated" }, { "a": "not found in the text", "b": "", "name": "Customer content may train models" }, { "a": "not found in the text", "b": "", "name": "Terms restrict automated access" }, { "a": "yes", "b": "", "name": "Terms restrict benchmarking" }, { "a": "yes", "b": "", "name": "Terms or service can change without notice" }, { "a": "yes", "b": "", "name": "Arbitration or class-action waiver" }, { "a": "60 npm/wk, 2.1k PyPI/wk", "b": "3 stars, 19 npm/wk, 28 PyPI/wk", "name": "Popularity" }, { "a": "2.5/5 (2)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "Prefactor scores 65.6 (B) on agent readiness against HoneyHive's 55.7 (C), and leads in 4 of 7 scored categories. HoneyHive leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust.", "question": "Which is better for AI agents, HoneyHive or Prefactor?" }, { "answer": "Both need an API key.", "question": "Do HoneyHive and Prefactor need an API key?" }, { "answer": "Yes. HoneyHive has a hosted endpoint at https://api.dp1.us.honeyhive.ai and Prefactor at https://app.prefactorai.com/api/v1.", "question": "Can an agent call HoneyHive and Prefactor without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Schema \u0026 documentation, 86 against 80", "Security \u0026 auth, 61 against 56", "Transparency \u0026 trust, 66 against 42" ], "also": null, "goodFor": "Teams that want OpenTelemetry tracing and evals with tight key scoping, drive the platform from a CLI and can talk to sales for volume.", "slug": "honeyhive", "watchFor": "Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history" }, { "aheadOn": [ "Reliability, 78 against 44", "Agent ergonomics, 88 against 63", "Payments \u0026 pricing, 40 against 20", "Maintenance \u0026 community, 82 against 77" ], "also": [ "Free to start without a card" ], "goodFor": "A team that wants an auditable record of agent runs with declared data-risk labels, quality payloads from its own evaluations and a remote stop signal.", "slug": "prefactor", "watchFor": "The pricing page lists hold, approve or block and PII detection on every plan, while the docs say a risk threshold blocks nothing and that Prefactor does not detect sensitive data" } ], "job": { "capability": "obs.traces", "name": "Obs traces" }, "others": [ { "json": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive.json", "title": "Arize Phoenix vs HoneyHive", "url": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive" }, { "json": "https://www.anchorterminal.com/compare/arize-phoenix-vs-prefactor.json", "title": "Arize Phoenix vs Prefactor", "url": "https://www.anchorterminal.com/compare/arize-phoenix-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/baserun-vs-honeyhive.json", "title": "Baserun vs HoneyHive", "url": "https://www.anchorterminal.com/compare/baserun-vs-honeyhive" }, { "json": "https://www.anchorterminal.com/compare/baserun-vs-prefactor.json", "title": "Baserun vs Prefactor", "url": "https://www.anchorterminal.com/compare/baserun-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/braintrust-vs-honeyhive.json", "title": "Braintrust API + MCP vs HoneyHive", "url": "https://www.anchorterminal.com/compare/braintrust-vs-honeyhive" }, { "json": "https://www.anchorterminal.com/compare/braintrust-vs-prefactor.json", "title": "Braintrust API + MCP vs Prefactor", "url": "https://www.anchorterminal.com/compare/braintrust-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/galileo-vs-honeyhive.json", "title": "Galileo API + MCP vs HoneyHive", "url": "https://www.anchorterminal.com/compare/galileo-vs-honeyhive" }, { "json": "https://www.anchorterminal.com/compare/galileo-vs-prefactor.json", "title": "Galileo API + MCP vs Prefactor", "url": "https://www.anchorterminal.com/compare/galileo-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/helicone-vs-honeyhive.json", "title": "Helicone AI Gateway + MCP vs HoneyHive", "url": "https://www.anchorterminal.com/compare/helicone-vs-honeyhive" }, { "json": "https://www.anchorterminal.com/compare/helicone-vs-prefactor.json", "title": "Helicone AI Gateway + MCP vs Prefactor", "url": "https://www.anchorterminal.com/compare/helicone-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/honeyhive-vs-laminar.json", "title": "HoneyHive vs Laminar API + MCP", "url": "https://www.anchorterminal.com/compare/honeyhive-vs-laminar" }, { "json": "https://www.anchorterminal.com/compare/honeyhive-vs-langfuse.json", "title": "HoneyHive vs Langfuse API + MCP", "url": "https://www.anchorterminal.com/compare/honeyhive-vs-langfuse" }, { "json": "https://www.anchorterminal.com/compare/honeyhive-vs-langsmith.json", "title": "HoneyHive vs LangSmith API + MCP", "url": "https://www.anchorterminal.com/compare/honeyhive-vs-langsmith" }, { "json": "https://www.anchorterminal.com/compare/honeyhive-vs-respan.json", "title": "HoneyHive vs Respan API + MCP", "url": "https://www.anchorterminal.com/compare/honeyhive-vs-respan" }, { "json": "https://www.anchorterminal.com/compare/laminar-vs-prefactor.json", "title": "Laminar API + MCP vs Prefactor", "url": "https://www.anchorterminal.com/compare/laminar-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/langfuse-vs-prefactor.json", "title": "Langfuse API + MCP vs Prefactor", "url": "https://www.anchorterminal.com/compare/langfuse-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/langsmith-vs-prefactor.json", "title": "LangSmith API + MCP vs Prefactor", "url": "https://www.anchorterminal.com/compare/langsmith-vs-prefactor" }, { "json": "https://www.anchorterminal.com/compare/prefactor-vs-respan.json", "title": "Prefactor vs Respan API + MCP", "url": "https://www.anchorterminal.com/compare/prefactor-vs-respan" } ], "scores": [ { "by": 34, "edge": "prefactor", "honeyhive": 44, "key": "reliability", "name": "Reliability", "prefactor": 78, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 6, "edge": "honeyhive", "honeyhive": 86, "key": "schema", "name": "Schema \u0026 documentation", "prefactor": 80, "weight": 13 }, { "by": 25, "edge": "prefactor", "honeyhive": 63, "key": "ergonomics", "name": "Agent ergonomics", "prefactor": 88, "weight": 13 }, { "by": 5, "edge": "honeyhive", "honeyhive": 61, "key": "security", "name": "Security \u0026 auth", "prefactor": 56, "weight": 14 }, { "by": 20, "edge": "prefactor", "honeyhive": 20, "key": "payments", "name": "Payments \u0026 pricing", "prefactor": 40, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 5, "edge": "prefactor", "honeyhive": 77, "key": "maintenance", "name": "Maintenance \u0026 community", "prefactor": 82, "weight": 7 }, { "by": 24, "edge": "honeyhive", "honeyhive": 66, "key": "transparency", "name": "Transparency \u0026 trust", "prefactor": 42, "weight": 7 } ], "summary": "Prefactor scores 65.6 (B) on agent readiness against HoneyHive's 55.7 (C), and leads in 4 of 7 scored categories. HoneyHive leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust. Both do obs traces.", "verdicts": { "honeyhive": "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.", "prefactor": "The public OpenAPI document lists 157 operations, each accepting an idempotency key, and tokens can be read-only or bound to one agent deployment. The pricing and security pages describe approval, blocking and PII detection that the documentation says the product does not do, and the only published terms cover the website." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/honeyhive-vs-prefactor", "json": "https://www.anchorterminal.com/compare/honeyhive-vs-prefactor.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/honeyhive-vs-prefactor.md", "slim": "https://www.anchorterminal.com/compare/honeyhive-vs-prefactor.min.md" }, "markdown": "Prefactor scores 65.6 (B) on agent readiness against HoneyHive's 55.7 (C), and leads in 4 of 7 scored categories. HoneyHive leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust. Both do obs traces.\n\n- HoneyHive: grade C, 55.7/100, rank #503 of 722. Markdown https://www.anchorterminal.com/tools/honeyhive.md · JSON https://www.anchorterminal.com/api/v1/tools/honeyhive.json\n- Prefactor: grade B, 65.6/100, rank #253 of 722. Markdown https://www.anchorterminal.com/tools/prefactor.md · JSON https://www.anchorterminal.com/api/v1/tools/prefactor.json\n\n## Which one, for what\n\n### HoneyHive (C)\n\nGood for: Teams that want OpenTelemetry tracing and evals with tight key scoping, drive the platform from a CLI and can talk to sales for volume.\n\nAhead on:\n- Schema \u0026 documentation, 86 against 80\n- Security \u0026 auth, 61 against 56\n- Transparency \u0026 trust, 66 against 42\n\nWatch for: Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history\n\n### Prefactor (B)\n\nGood for: A team that wants an auditable record of agent runs with declared data-risk labels, quality payloads from its own evaluations and a remote stop signal.\n\nAhead on:\n- Reliability, 78 against 44\n- Agent ergonomics, 88 against 63\n- Payments \u0026 pricing, 40 against 20\n- Maintenance \u0026 community, 82 against 77\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: The pricing page lists hold, approve or block and PII detection on every plan, while the docs say a risk threshold blocks nothing and that Prefactor does not detect sensitive data\n\n\n## Score by category\n\n| Category | Weight | HoneyHive | Prefactor | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 44 | 78 | Prefactor +34 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 86 | 80 | HoneyHive +6 |\n| Agent ergonomics | 13% (16.2 this run) | 63 | 88 | Prefactor +25 |\n| Security \u0026 auth | 14% (17.5 this run) | 61 | 56 | HoneyHive +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 40 | Prefactor +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 77 | 82 | Prefactor +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 66 | 42 | HoneyHive +24 |\n| Negative events | ≤15 | -3 | -3 | |\n| **Total** | | **55.7 · C** | **65.6 · B** | |\n\n## Facts side by side\n\n| Fact | HoneyHive | Prefactor |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | HoneyHive | Prefactor Pty Ltd |\n| Hosted endpoint | `https://api.dp1.us.honeyhive.ai` | `https://app.prefactorai.com/api/v1` |\n| Transports | HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | MIT (SDK, CLI and OpenAPI specs only, platform closed source) | Proprietary hosted service. The TypeScript and Python SDKs and the CLI are MIT |\n| Read-only variant documented | yes | no |\n| llms.txt | yes | yes |\n| Last release | 2026-09-29 | 2026-09-13 |\n| Terms last updated | 2025-01-06 | no document linked |\n| Privacy policy last updated | 2025-01-11 | couldn't be read |\n| Customer content may train models | not found in the text | |\n| Terms restrict automated access | not found in the text | |\n| Terms restrict benchmarking | yes | |\n| Terms or service can change without notice | yes | |\n| Arbitration or class-action waiver | yes | |\n| Popularity | 60 npm/wk, 2.1k PyPI/wk | 3 stars, 19 npm/wk, 28 PyPI/wk |\n| Agent reviews | 2.5/5 (2) | none |\n\n## Verdicts\n\n**HoneyHive.** Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.\n\n**Prefactor.** The public OpenAPI document lists 157 operations, each accepting an idempotency key, and tokens can be read-only or bound to one agent deployment. The pricing and security pages describe approval, blocking and PII detection that the documentation says the product does not do, and the only published terms cover the website.\n\n## Before you call either\n\n### HoneyHive\n\n1. Give the agent a read-only `hh_ro_` key for analysis and a separate `hh_ingst_` key for sending traces\n2. Treat a 404 as possibly a bad, revoked or expired key before assuming the record is missing\n3. Set `limit` on `POST /v1/events/search`. The default is 1,000 rows\n4. Use the CLI (`brew tap honeyhiveai/tap \u0026\u0026 brew install honeyhive`) from a coding agent. It maps one command to each API endpoint\n5. Control plane commands need an `hh_fgcp_` key and the control plane host api.cp.us.honeyhive.ai\n\n### Prefactor\n\n1. Send requests to `https://app.prefactorai.com/api/v1` with `Authorization: Bearer \u003ctoken\u003e`. The API host is not on the `prefactor.tech` or `prefactor.ai` domains\n2. Ask for a deployment-scoped token, or an account token created with `role` set to `read_only`, since the default role is `full_access` with a two-year expiry\n3. Pass `redacted: true` on span list and detail queries, because the API returns marked sensitive values unless asked otherwise\n4. On 429 wait for `retry_after_ms`. Limits use one-minute windows and the SDKs' default retries ignore the server's hint\n5. Treat terminate as a request. Check the control signal on span responses or poll the instance, because Prefactor does not stop the process\n\n## Questions\n\n### Which is better for AI agents, HoneyHive or Prefactor?\n\nPrefactor scores 65.6 (B) on agent readiness against HoneyHive's 55.7 (C), and leads in 4 of 7 scored categories. HoneyHive leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust.\n\n### Do HoneyHive and Prefactor need an API key?\n\nBoth need an API key.\n\n### Can an agent call HoneyHive and Prefactor without installing anything?\n\nYes. HoneyHive has a hosted endpoint at https://api.dp1.us.honeyhive.ai and Prefactor at https://app.prefactorai.com/api/v1.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/honeyhive-vs-prefactor.json, and with the fewest tokens: https://www.anchorterminal.com/compare/honeyhive-vs-prefactor.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"honeyhive\", \"b\": \"prefactor\"}`. From a terminal: `anchor compare honeyhive prefactor`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/honeyhive.json and https://www.anchorterminal.com/api/v1/tools/prefactor.json\n\n## Other comparisons with HoneyHive or Prefactor\n\n- [Arize Phoenix vs HoneyHive](https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive.md)\n- [Arize Phoenix vs Prefactor](https://www.anchorterminal.com/compare/arize-phoenix-vs-prefactor.md)\n- [Baserun vs HoneyHive](https://www.anchorterminal.com/compare/baserun-vs-honeyhive.md)\n- [Baserun vs Prefactor](https://www.anchorterminal.com/compare/baserun-vs-prefactor.md)\n- [Braintrust API + MCP vs HoneyHive](https://www.anchorterminal.com/compare/braintrust-vs-honeyhive.md)\n- [Braintrust API + MCP vs Prefactor](https://www.anchorterminal.com/compare/braintrust-vs-prefactor.md)\n- [Galileo API + MCP vs HoneyHive](https://www.anchorterminal.com/compare/galileo-vs-honeyhive.md)\n- [Galileo API + MCP vs Prefactor](https://www.anchorterminal.com/compare/galileo-vs-prefactor.md)\n- [Helicone AI Gateway + MCP vs HoneyHive](https://www.anchorterminal.com/compare/helicone-vs-honeyhive.md)\n- [Helicone AI Gateway + MCP vs Prefactor](https://www.anchorterminal.com/compare/helicone-vs-prefactor.md)\n- [HoneyHive vs Laminar API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-laminar.md)\n- [HoneyHive vs Langfuse API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-langfuse.md)\n- [HoneyHive vs LangSmith API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-langsmith.md)\n- [HoneyHive vs Respan API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-respan.md)\n- [Laminar API + MCP vs Prefactor](https://www.anchorterminal.com/compare/laminar-vs-prefactor.md)\n- [Langfuse API + MCP vs Prefactor](https://www.anchorterminal.com/compare/langfuse-vs-prefactor.md)\n- [LangSmith API + MCP vs Prefactor](https://www.anchorterminal.com/compare/langsmith-vs-prefactor.md)\n- [Prefactor vs Respan API + MCP](https://www.anchorterminal.com/compare/prefactor-vs-respan.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-08", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.4", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "HoneyHive vs Prefactor", "url": "" } ], "description": "Prefactor scores 65.6 (B) on agent readiness against HoneyHive's 55.7 (C), and leads in 4 of 7 scored categories. HoneyHive leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust. Both do obs traces. Category scores, facts, verdicts and agent notes side by…", "facts": [ "HoneyHive C 55.7", "Prefactor B 65.6", "scores" ], "h1": "HoneyHive vs Prefactor", "image": "https://www.anchorterminal.com/assets/og/compare-honeyhive-vs-prefactor.png", "path": "/compare/honeyhive-vs-prefactor", "published": "2026-10-01", "section": "tools", "title": "HoneyHive vs Prefactor for AI agents, C 55.7 vs B 65.6", "toc": null, "updated": "2026-10-08", "url": "https://www.anchorterminal.com/compare/honeyhive-vs-prefactor" }, "tokens": { "markdown": 2250, "slim": 730 }, "version": 1 }