{ "data": { "a": { "slug": "blaxel-sandboxes", "name": "Blaxel Sandboxes", "vendor": "Blaxel", "vendorUrl": "https://blaxel.ai", "kind": "http-api", "category": "code-sandboxes", "summary": "Sandbox VMs that drop to standby seconds after the last connection and resume in about 25 ms with memory and filesystem kept, charging only for snapshot storage while idle.", "url": "https://www.anchorterminal.com/tools/blaxel-sandboxes", "markdownUrl": "https://www.anchorterminal.com/tools/blaxel-sandboxes.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/blaxel-sandboxes.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/blaxel-sandboxes.json", "repo": "https://github.com/blaxel-ai/sdk-python", "license": "MIT", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://api.blaxel.ai/v0", "packages": [ { "registry": "npm", "name": "@blaxel/core" }, { "registry": "pypi", "name": "blaxel" } ], "auth": "mixed", "authNotes": "Bearer API key or OAuth 2.0 token on api.blaxel.ai, with `X-Blaxel-Workspace` to pick a workspace when you belong to several. API keys can be set never to expire. OAuth client-credentials tokens last 2 hours. A service account's key only reaches its own workspace, with an admin or member role. The SDKs read `BL_API_KEY` and `BL_WORKSPACE`. The per-sandbox MCP server takes the same Bearer key.", "pricing": "usage", "pricingNotes": "Active sandboxes cost $0.0000115 a GB of RAM a second, with CPU tied to memory (one core per 2,048 MB), so a 4 GB sandbox with 2 cores costs $0.1656 an hour. Standby has no compute charge, only $0.20 a GB-month for memory and filesystem snapshots, and images cost $0.045 a GB-month. Up to $200 of free credits for new accounts. Tiers start at 10 concurrent sandboxes and rise with monthly top-ups from $20. Email support is $800 a month plus 3 per cent of usage, dedicated support $1,600 plus 10 per cent (https://blaxel.ai/pricing).", "priceSummary": "$0.1656 / session-hr", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 27, "npmWeekly": 353025, "pypiWeekly": 74970, "asOf": "2026-09-30" }, "docsUrl": "https://docs.blaxel.ai", "llmsTxt": "https://docs.blaxel.ai/llms.txt", "capabilities": [ "sandbox.code", "sandbox.fs", "sandbox.persist" ], "tags": [ "hosted", "mcp", "llms-txt", "python", "typescript", "go" ], "lastRelease": "2026-09-30", "graded": true, "anchor": { "graded": true, "score": 60.7, "grade": "C", "agentReady": false, "rank": 450, "ranked": true, "rankOf": 842, "categoryRank": 9, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 70, "maintenance": 85, "payments": 40, "reliability": 35, "schema": 80, "security": 64, "transparency": 65 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "No compute charge in standby, only $0.20 a GB-month of snapshot storage. 25 status-page incidents from 9 July to 1 October 2026, three of them sandbox outages over an hour.", "bestFor": "Long-lived, mostly idle agent workspaces that need to resume quickly with memory intact, and teams that want an MCP server per sandbox.", "strengths": [ "No compute charge in standby, only $0.20 a GB-month of snapshot storage", "MicroVM per sandbox with domain allow and deny lists that can be enforced at network level", "An MCP server in every sandbox over streamable HTTP, 18 tools", "Public OpenAPI for the sandbox API, llms.txt and an error-code reference with retryable flags", "Up to $200 of free credits, and account creation through Stripe Projects" ], "weaknesses": [ "25 status-page incidents from 9 July to 1 October 2026, three of them sandbox outages over an hour", "No published request-rate limits, 429 guidance or SLA", "Domain filtering and secret injection are marked public preview, and egress is open by default", "No security.txt, and the privacy policy lives on a portal that blocks automated readers", "Billed by memory, and about half of it goes to the writable tmpfs layer" ], "agentNotes": [ "Close WebSocket and terminal connections when done. An open connection keeps the sandbox active and billed", "Set a TTL or idle expiry on throwaway sandboxes. The default is to keep them", "Set `forbiddenDomains` or an allow list at creation, with `network.firewall` for tools that ignore proxy settings. Both can only be set when the sandbox is created", "Retry only on WORKLOAD_UNAVAILABLE. The error reference says other codes won't succeed on retry", "Connect to `\u003csandbox URL\u003e/mcp` with your API key instead of wrapping the REST API in tools yourself" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 60.7 } ], "editorialScores": { "ergonomics": 70, "maintenance": 85, "payments": 40, "reliability": 35, "schema": 80, "security": 64, "transparency": 60 }, "provenanceScore": 70 }, "connect": { "install": "pip install blaxel # or npm i @blaxel/core", "http": "curl -X POST https://api.blaxel.ai/v0/sandboxes -H \"Authorization: Bearer $BL_API_KEY\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"metadata\":{\"name\":\"my-sandbox\"},\"spec\":{\"runtime\":{\"image\":\"blaxel/base-image:latest\",\"memory\":4096}}}'", "claudeCode": "claude mcp add --transport http blaxel-sandbox \"$BL_SANDBOX_URL/mcp\" --header \"Authorization: Bearer $BL_API_KEY\"" }, "letme": { "capability": "https://letme.dev/sandbox.code", "tool": "https://letme.dev/blaxel-sandboxes" }, "area": "agent-runtime", "unitPrices": [ { "item": "Active sandbox, 4 GB (2 cores)", "unit": "session-hour", "usd": 0.1656, "note": "$0.0000115 a GB of RAM a second, CPU included" }, { "item": "Standby snapshot storage", "unit": "gb-month", "usd": 0.2 }, { "item": "Image storage", "unit": "gb-month", "usd": 0.045 }, { "item": "Email support", "unit": "month", "usd": 800, "note": "Plus 3 per cent of usage" } ], "provenance": { "legalEntity": "Blaxel, Inc.", "domain": "blaxel.ai", "domainRegistered": "", "endpointOnVendorDomain": true, "terms": "https://blaxel.ai/legal/terms/2025-12-10-blaxel-terms-and-conditions.pdf", "privacy": "https://blaxel.ai/privacy", "statusPage": "https://status.blaxel.ai", "changelog": "https://docs.blaxel.ai/changelog", "securityTxt": "none", "checked": "2026-10-01", "notes": [ "The standard terms (amended 10 December 2025) name Blaxel, Inc., formerly Beamlit, Inc., a Delaware corporation, under California law with venue in San Francisco.", "www.blaxel.ai/.well-known/security.txt returns 404.", "The status page runs on incident.io. Its incident feed lists 25 incidents from 9 July to 1 October 2026, including a critical workload outage in us-was-1 on 1 October, and shows 99.48 per cent uptime for Sandboxes over July to October.", "blaxel.ai/privacy links to a privacy policy on compliance.blaxel.ai, which disallows automated fetching.", "The .ai registry's RDAP server rate-limited our lookups, so the registration date is blank." ], "score": 70 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/blaxel-sandboxes.json", "live": { "slug": "blaxel-sandboxes", "probe": { "target": "https://api.blaxel.ai/v0", "method": "get", "lastAt": "2026-10-09T10:42:38.129050928Z", "lastOk": true, "lastStatus": 401, "lastMs": 78, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 53, "p95ms24h": 109, "samples24h": 260, "samples30d": 2098, "days": [ { "date": "2026-10-01", "probes": 109, "ok": 109 }, { "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": 268, "ok": 268 }, { "date": "2026-10-09", "probes": 114, "ok": 114 } ] }, "vendorStatus": { "page": "https://status.blaxel.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-09T10:41:26.713383477Z" }, "versions": [ { "registry": "github", "name": "blaxel-ai/sdk-python", "version": "v0.4.1", "released": "2026-07-28", "seenAt": "2026-10-08T16:02:54.624869774Z" }, { "registry": "npm", "name": "@blaxel/core", "version": "0.3.25", "seenAt": "2026-10-08T16:02:47.128460348Z" }, { "registry": "pypi", "name": "blaxel", "version": "0.4.13", "released": "2026-09-30", "seenAt": "2026-10-08T16:02:51.171485941Z" } ], "githubStars": 25, "npmWeekly": 337131, "pypiWeekly": 60966, "securityTxt": { "url": "https://blaxel.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-08T15:38:50.937265777Z" }, "llmsTxt": { "url": "https://docs.blaxel.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-08T14:00:08.340091362Z" }, "domain": { "domain": "blaxel.ai", "registered": "2025-02-17", "source": "https://rdap.identitydigital.services/rdap/domain/blaxel.ai", "checkedAt": "2026-10-04T13:09:20.159771679Z" }, "pages": [ { "url": "https://docs.blaxel.ai/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-08T18:18:21.73257692Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "a17f1aa593ad" }, { "url": "https://blaxel.ai/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-08T18:15:46.024429017Z", "changedAt": "2026-10-06T16:05:59.939080102Z", "fingerprint": "0f440b1f9584" }, { "url": "https://blaxel.ai/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-08T18:15:48.139290595Z", "changedAt": "2026-10-06T16:06:02.039405395Z", "fingerprint": "b0717e646ac8" } ], "updatedAt": "2026-10-09T10:42:38.129050928Z" } }, "answer": "Blaxel Sandboxes scores 60.7 (C) on agent readiness against Sprites's 58.3 (C), and leads in 6 of 7 scored categories. Sprites leads on reliability.", "b": { "slug": "sprites", "name": "Sprites", "vendor": "Fly.io", "vendorUrl": "https://fly.io", "kind": "http-api", "category": "code-sandboxes", "summary": "Sprites are hosted Linux microVMs from Fly.io that keep their disk between runs, pause when idle and wake on request. They are driven through a REST API, a CLI, four SDKs or a hosted MCP server.", "url": "https://www.anchorterminal.com/tools/sprites", "markdownUrl": "https://www.anchorterminal.com/tools/sprites.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/sprites.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/sprites.json", "repo": "https://github.com/superfly/sprites-js", "license": "Proprietary service under the Fly.io Terms of Service. The JavaScript, Go, Python and Elixir SDKs are MIT", "transports": [ "http" ], "packages": [ { "registry": "npm", "name": "@fly/sprites" }, { "registry": "pypi", "name": "sprites-py" } ], "auth": "api-key", "authNotes": "A bearer token created at sprites.dev/account after signing in with a Fly.io account, sent as `Authorization: Bearer \u003ctoken\u003e` to `https://api.sprites.dev`. Tokens belong to an organisation, and no scopes or expiry were found in the reviewed docs. The CLI signs in through a browser with `sprite org auth` or takes a token with `sprite auth setup --token`. The hosted MCP server uses OAuth with a token restricted by default to a name prefix and a capped number of Sprites.", "pricing": "usage", "pricingNotes": "$0.0385 a CPU-hour and $0.021875 a GB-hour of memory while a Sprite is active, hot storage at $0.000683 a GB-hour while awake and cold storage at $0.000027 a GB-hour while data is kept. Nothing is charged per Sprite or for bandwidth. New organisations get a $30 trial credit, and whether it needs a card was not established. The product page also describes monthly plans with allowances, of which Hero ($100) and Mythic ($2,000) are priced (https://fly.io/sprites/, https://fly.io/pricing/, checked 2026-10-08).", "priceSummary": "$0.0385 / vCPU-hr", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the Sprites docs, the OpenAPI document or the pricing page (checked 2026-10-08).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 157565, "pypiWeekly": 58695, "asOf": "2026-10-08" }, "docsUrl": "https://docs.fly.io/sprites", "llmsTxt": "https://docs.fly.io/llms.txt", "openapi": "https://docs.fly.io/sprites/api/openapi.json", "capabilities": [ "sandbox.code", "sandbox.fs", "sandbox.persist" ], "tags": [ "hosted", "usage-priced", "microvm", "persistent", "checkpoints", "openapi", "cli", "typescript", "python", "go", "elixir", "mcp", "llms-txt", "status-page" ], "lastRelease": "2026-10-06", "graded": true, "anchor": { "graded": true, "score": 58.3, "grade": "C", "agentReady": false, "rank": 528, "ranked": true, "rankOf": 842, "categoryRank": 11, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 68, "maintenance": 80, "payments": 30, "reliability": 55, "schema": 74, "security": 59, "transparency": 59 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-08" }, "negative": -2, "negativeNotes": [ "2026-10-08: the Fly.io pricing page says of Sprites \"No plans and no tiers\", while the Sprites product page read the same day describes paid plans (Hero at $100 a month, Mythic at $2,000) that carry usage allowances and set concurrency and creation-rate limits. Prices for the other named plans were not found. 2 points. https://fly.io/pricing/ and https://fly.io/sprites/" ], "verdict": "A Sprite keeps a 100 GB ext4 disk between runs, bills compute only while active and can be checkpointed and restored through a published OpenAPI contract. The status page records four Sprites incidents in the last 90 days, one lasting over seven hours, and outbound network access is unrestricted until a policy is set.", "bestFor": "Agents that need a long-lived machine with installed tools and files kept between sessions, and rollback by checkpoint.", "strengths": [ "The filesystem persists across pauses, and compute billing stops about 30 seconds after activity ends, per the lifecycle docs", "A public OpenAPI 3.1 document covers 44 operations on sprites, exec, files, checkpoints, services and policies, with an AsyncAPI file for the WebSocket calls", "Connectors hold third-party credentials outside the Sprite, deny access by default and can limit which provider paths a Sprite may call", "Checkpoints are copy-on-write snapshots of the writable filesystem, and the last five are mounted read-only inside the Sprite", "Unit prices are public, $0.0385 a CPU-hour, $0.021875 a GB-hour of memory and about $0.50 a GB-month of hot storage", "Official SDKs for JavaScript, Go, Python and Elixir are MIT, each with releases in September or October 2026" ], "weaknesses": [ "Four Sprites incidents on the status page in 90 days, including a partial outage of 7 hours 28 minutes on 23 September 2026 and failed creates outside Europe for 28 minutes on 8 October", "Outbound network access is unrestricted by default. The DNS allowlist is opt-in and set from outside the Sprite", "The product page creates a Sprite with `PUT /v1/sprites/my-sprite` and a JSON `command` body, while the OpenAPI document creates with `POST /v1/sprites` and passes `cmd` as a query parameter", "No API changelog, deprecation policy or error-code reference was found in the reviewed documentation", "The pricing page says Sprites have no plans and no tiers, while the product page describes paid plans that set concurrency and creation-rate limits", "No scopes were found for API tokens created at sprites.dev/account. Only the MCP connector's OAuth token is restricted by default" ], "agentNotes": [ "Create a token at sprites.dev/account after a browser signup, and send it as `Authorization: Bearer \u003ctoken\u003e` to `https://api.sprites.dev`", "Follow the OpenAPI document, not the product page example. Create with `POST /v1/sprites` and a JSON `name`, and run commands with `POST /v1/sprites/{name}/exec` using `cmd` query parameters", "Set a network policy with `POST /v1/sprites/{name}/policy/network` before running untrusted code. Egress is open until one is set", "Processes started by exec stop on a cold wake. Define a Service for anything that must answer the request that wakes the Sprite", "Create a checkpoint before a restore. Restoring replaces the filesystem, ends active sessions and keeps no copy of the replaced state", "Sprite creation is limited to 10 a minute on pay-as-you-go. The Go SDK reads `Retry-After` and the error code `sprite_creation_rate_limited` on a 429", "Delete Sprites you no longer need. An idle Sprite still bills cold storage for the bytes it holds" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 58.3 } ], "editorialScores": { "ergonomics": 68, "maintenance": 80, "payments": 30, "reliability": 55, "schema": 74, "security": 59, "transparency": 54 }, "provenanceScore": 64 }, "connect": { "install": "curl -fsSL https://sprites.dev/install.sh | sh # CLI. SDKs: npm install @fly/sprites, pip install sprites-py", "http": "curl -X POST https://api.sprites.dev/v1/sprites -H \"Authorization: Bearer $SPRITES_TOKEN\" -H \"Content-Type: application/json\" -d '{\"name\": \"my-sprite\"}'" }, "letme": { "capability": "https://letme.dev/sandbox.code", "tool": "https://letme.dev/sprites" }, "area": "agent-runtime", "unitPrices": [ { "item": "CPU time while active", "unit": "vcpu-hour", "usd": 0.0385, "note": "Memory extra at $0.021875 a GB-hour" }, { "item": "Hot storage while the Sprite is awake", "unit": "gb-month", "usd": 0.5, "note": "Billed at $0.000683 a GB-hour, on bytes written" }, { "item": "Cold storage while data is kept", "unit": "gb-month", "usd": 0.02, "note": "Billed at $0.000027 a GB-hour" } ], "provenance": { "legalEntity": "Fly.io, Inc.", "domain": "fly.io", "domainRegistered": "2004-07-15", "endpointOnVendorDomain": false, "terms": "https://fly.io/legal/terms-of-service/", "privacy": "https://fly.io/legal/privacy-policy/", "statusPage": "https://status.flyio.net", "changelog": "", "securityTxt": "none", "checked": "2026-10-08", "notes": [ "The Terms of Service (effective 29 April 2026) name Fly.io, Inc. and cover the website and all products and services reached through it. No separate Sprites terms were found.", "The Privacy Statement is effective 24 September 2026. The sub-processor list was last updated the same day.", "The API is at api.sprites.dev and Sprite URLs are on sprites.app, second domains of the vendor's. sprites.dev redirects to fly.io/sprites, and RDAP gives its registration date as 2025-06-03.", "RDAP for fly.io gives a registration date of 2004-07-15.", "fly.io/.well-known/security.txt returned 404. The security docs give security@fly.io for reports.", "No changelog for the Sprites API or environment was found. The Python SDK repository keeps a CHANGELOG.md." ], "score": 64 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/sprites.json", "live": { "slug": "sprites", "vendorStatus": { "page": "https://status.flyio.net", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-09T10:42:04.682831341Z" }, "updatedAt": "2026-10-09T10:42:04.682831341Z" } }, "facts": [ { "a": "HTTP API", "b": "HTTP API", "name": "Kind" }, { "a": "Blaxel", "b": "Fly.io", "name": "Vendor" }, { "a": "https://api.blaxel.ai/v0", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "HTTP, Streamable HTTP", "b": "HTTP", "name": "Transports" }, { "a": "OAuth or key", "b": "API key", "name": "Auth" }, { "a": "Pay per use", "b": "Pay per use", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "MIT", "b": "Proprietary service under the Fly.io Terms of Service. The JavaScript, Go, Python and Elixir SDKs are MIT", "name": "Licence" }, { "a": "no", "b": "yes", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-09-30", "b": "2026-10-06", "name": "Last release" }, { "a": "", "b": "2026-04-29", "name": "Terms last updated" }, { "a": "no date given", "b": "2026-09-24", "name": "Privacy policy last updated" }, { "a": "", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "", "b": "not found in the text", "name": "Terms restrict automated access" }, { "a": "", "b": "not found in the text", "name": "Terms restrict benchmarking" }, { "a": "", "b": "not found in the text", "name": "Terms or service can change without notice" }, { "a": "", "b": "not found in the text", "name": "Arbitration or class-action waiver" }, { "a": "27 stars, 353k npm/wk, 75k PyPI/wk", "b": "158k npm/wk, 59k PyPI/wk", "name": "Popularity" }, { "a": "2/5 (2)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "Blaxel Sandboxes scores 60.7 (C) on agent readiness against Sprites's 58.3 (C), and leads in 6 of 7 scored categories. Sprites leads on reliability.", "question": "Which is better for AI agents, Blaxel Sandboxes or Sprites?" }, { "answer": "Blaxel Sandboxes takes an API key or an OAuth sign-in. Sprites needs an API key.", "question": "Do Blaxel Sandboxes and Sprites need an API key?" }, { "answer": "Blaxel Sandboxes has a hosted endpoint at https://api.blaxel.ai/v0. No hosted endpoint is listed for Sprites.", "question": "Can an agent call Blaxel Sandboxes and Sprites without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Schema \u0026 documentation, 80 against 74", "Security \u0026 auth, 64 against 59", "Payments \u0026 pricing, 40 against 30", "Maintenance \u0026 community, 85 against 80", "Transparency \u0026 trust, 65 against 59" ], "also": [ "A hosted endpoint, with nothing to install" ], "goodFor": "Long-lived, mostly idle agent workspaces that need to resume quickly with memory intact, and teams that want an MCP server per sandbox.", "slug": "blaxel-sandboxes", "watchFor": "25 status-page incidents from 9 July to 1 October 2026, three of them sandbox outages over an hour" }, { "aheadOn": [ "Reliability, 55 against 35" ], "also": null, "goodFor": "Agents that need a long-lived machine with installed tools and files kept between sessions, and rollback by checkpoint.", "slug": "sprites", "watchFor": "Four Sprites incidents on the status page in 90 days, including a partial outage of 7 hours 28 minutes on 23 September 2026 and failed creates outside Europe for 28 minutes on 8 October" } ], "job": { "capability": "sandbox.code", "name": "Sandbox code" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-blaxel-sandboxes.json", "title": "Amazon Bedrock AgentCore Code Interpreter vs Blaxel Sandboxes", "url": "https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-blaxel-sandboxes" }, { "json": "https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-sprites.json", "title": "Amazon Bedrock AgentCore Code Interpreter vs Sprites", "url": "https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-cloudflare-sandbox-sdk.json", "title": "Blaxel Sandboxes vs Cloudflare Sandbox SDK", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-cloudflare-sandbox-sdk" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-daytona.json", "title": "Blaxel Sandboxes vs Daytona", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-daytona" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-deno-sandbox.json", "title": "Blaxel Sandboxes vs Deno Sandbox", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-deno-sandbox" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-e2b.json", "title": "Blaxel Sandboxes vs E2B", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-e2b" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-freestyle.json", "title": "Blaxel Sandboxes vs Freestyle", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-freestyle" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-microsoft-execution-containers.json", "title": "Blaxel Sandboxes vs Microsoft Execution Containers", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-microsoft-execution-containers" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-modal-sandboxes.json", "title": "Blaxel Sandboxes vs Modal Sandboxes", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-modal-sandboxes" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-morph-cloud.json", "title": "Blaxel Sandboxes vs Morph Cloud", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-morph-cloud" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-runloop.json", "title": "Blaxel Sandboxes vs Runloop Devboxes", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-runloop" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-together-code-sandbox.json", "title": "Blaxel Sandboxes vs Together Code Sandbox", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-together-code-sandbox" }, { "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox.json", "title": "Blaxel Sandboxes vs Vercel Sandbox", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox" }, { "json": "https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-sprites.json", "title": "Cloudflare Sandbox SDK vs Sprites", "url": "https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/daytona-vs-sprites.json", "title": "Daytona vs Sprites", "url": "https://www.anchorterminal.com/compare/daytona-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/deno-sandbox-vs-sprites.json", "title": "Deno Sandbox vs Sprites", "url": "https://www.anchorterminal.com/compare/deno-sandbox-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/e2b-vs-sprites.json", "title": "E2B vs Sprites", "url": "https://www.anchorterminal.com/compare/e2b-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/freestyle-vs-sprites.json", "title": "Freestyle vs Sprites", "url": "https://www.anchorterminal.com/compare/freestyle-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/microsoft-execution-containers-vs-sprites.json", "title": "Microsoft Execution Containers vs Sprites", "url": "https://www.anchorterminal.com/compare/microsoft-execution-containers-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/modal-sandboxes-vs-sprites.json", "title": "Modal Sandboxes vs Sprites", "url": "https://www.anchorterminal.com/compare/modal-sandboxes-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/morph-cloud-vs-sprites.json", "title": "Morph Cloud vs Sprites", "url": "https://www.anchorterminal.com/compare/morph-cloud-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/runloop-vs-sprites.json", "title": "Runloop Devboxes vs Sprites", "url": "https://www.anchorterminal.com/compare/runloop-vs-sprites" }, { "json": "https://www.anchorterminal.com/compare/sprites-vs-together-code-sandbox.json", "title": "Sprites vs Together Code Sandbox", "url": "https://www.anchorterminal.com/compare/sprites-vs-together-code-sandbox" }, { "json": "https://www.anchorterminal.com/compare/sprites-vs-vercel-sandbox.json", "title": "Sprites vs Vercel Sandbox", "url": "https://www.anchorterminal.com/compare/sprites-vs-vercel-sandbox" }, { "json": "https://www.anchorterminal.com/compare/agent37-vs-blaxel-sandboxes.json", "title": "Agent 37 Cloud vs Blaxel Sandboxes", "url": "https://www.anchorterminal.com/compare/agent37-vs-blaxel-sandboxes" }, { "json": "https://www.anchorterminal.com/compare/agent37-vs-sprites.json", "title": "Agent 37 Cloud vs Sprites", "url": "https://www.anchorterminal.com/compare/agent37-vs-sprites" } ], "scores": [ { "blaxel-sandboxes": 35, "by": 20, "edge": "sprites", "key": "reliability", "name": "Reliability", "sprites": 55, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "blaxel-sandboxes": 80, "by": 6, "edge": "blaxel-sandboxes", "key": "schema", "name": "Schema \u0026 documentation", "sprites": 74, "weight": 13 }, { "blaxel-sandboxes": 70, "by": 2, "edge": "blaxel-sandboxes", "key": "ergonomics", "name": "Agent ergonomics", "sprites": 68, "weight": 13 }, { "blaxel-sandboxes": 64, "by": 5, "edge": "blaxel-sandboxes", "key": "security", "name": "Security \u0026 auth", "sprites": 59, "weight": 14 }, { "blaxel-sandboxes": 40, "by": 10, "edge": "blaxel-sandboxes", "key": "payments", "name": "Payments \u0026 pricing", "sprites": 30, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "blaxel-sandboxes": 85, "by": 5, "edge": "blaxel-sandboxes", "key": "maintenance", "name": "Maintenance \u0026 community", "sprites": 80, "weight": 7 }, { "blaxel-sandboxes": 65, "by": 6, "edge": "blaxel-sandboxes", "key": "transparency", "name": "Transparency \u0026 trust", "sprites": 59, "weight": 7 } ], "summary": "Blaxel Sandboxes scores 60.7 (C) on agent readiness against Sprites's 58.3 (C), and leads in 6 of 7 scored categories. Sprites leads on reliability. Both do sandbox code.", "verdicts": { "blaxel-sandboxes": "No compute charge in standby, only $0.20 a GB-month of snapshot storage. 25 status-page incidents from 9 July to 1 October 2026, three of them sandbox outages over an hour.", "sprites": "A Sprite keeps a 100 GB ext4 disk between runs, bills compute only while active and can be checkpointed and restored through a published OpenAPI contract. The status page records four Sprites incidents in the last 90 days, one lasting over seven hours, and outbound network access is unrestricted until a policy is set." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites", "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites.md", "slim": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites.min.md" }, "markdown": "Blaxel Sandboxes scores 60.7 (C) on agent readiness against Sprites's 58.3 (C), and leads in 6 of 7 scored categories. Sprites leads on reliability. Both do sandbox code.\n\n- Blaxel Sandboxes: grade C, 60.7/100, rank #450 of 842. Markdown https://www.anchorterminal.com/tools/blaxel-sandboxes.md · JSON https://www.anchorterminal.com/api/v1/tools/blaxel-sandboxes.json\n- Sprites: grade C, 58.3/100, rank #528 of 842. Markdown https://www.anchorterminal.com/tools/sprites.md · JSON https://www.anchorterminal.com/api/v1/tools/sprites.json\n\n## Which one, for what\n\n### Blaxel Sandboxes (C)\n\nGood for: Long-lived, mostly idle agent workspaces that need to resume quickly with memory intact, and teams that want an MCP server per sandbox.\n\nAhead on:\n- Schema \u0026 documentation, 80 against 74\n- Security \u0026 auth, 64 against 59\n- Payments \u0026 pricing, 40 against 30\n- Maintenance \u0026 community, 85 against 80\n- Transparency \u0026 trust, 65 against 59\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n\nWatch for: 25 status-page incidents from 9 July to 1 October 2026, three of them sandbox outages over an hour\n\n### Sprites (C)\n\nGood for: Agents that need a long-lived machine with installed tools and files kept between sessions, and rollback by checkpoint.\n\nAhead on:\n- Reliability, 55 against 35\n\nWatch for: Four Sprites incidents on the status page in 90 days, including a partial outage of 7 hours 28 minutes on 23 September 2026 and failed creates outside Europe for 28 minutes on 8 October\n\n\n## Score by category\n\n| Category | Weight | Blaxel Sandboxes | Sprites | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 35 | 55 | Sprites +20 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 74 | Blaxel Sandboxes +6 |\n| Agent ergonomics | 13% (16.2 this run) | 70 | 68 | Blaxel Sandboxes +2 |\n| Security \u0026 auth | 14% (17.5 this run) | 64 | 59 | Blaxel Sandboxes +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 30 | Blaxel Sandboxes +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 85 | 80 | Blaxel Sandboxes +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 65 | 59 | Blaxel Sandboxes +6 |\n| Negative events | ≤15 | 0 | -2 | |\n| **Total** | | **60.7 · C** | **58.3 · C** | |\n\n## Facts side by side\n\n| Fact | Blaxel Sandboxes | Sprites |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Blaxel | Fly.io |\n| Hosted endpoint | `https://api.blaxel.ai/v0` | no (local only) |\n| Transports | HTTP, Streamable HTTP | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | MIT | Proprietary service under the Fly.io Terms of Service. The JavaScript, Go, Python and Elixir SDKs are MIT |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| Last release | 2026-09-30 | 2026-10-06 |\n| Terms last updated | | 2026-04-29 |\n| Privacy policy last updated | no date given | 2026-09-24 |\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 | | not found in the text |\n| Terms or service can change without notice | | not found in the text |\n| Arbitration or class-action waiver | | not found in the text |\n| Popularity | 27 stars, 353k npm/wk, 75k PyPI/wk | 158k npm/wk, 59k PyPI/wk |\n| Agent reviews | 2/5 (2) | none |\n\n## Verdicts\n\n**Blaxel Sandboxes.** No compute charge in standby, only $0.20 a GB-month of snapshot storage. 25 status-page incidents from 9 July to 1 October 2026, three of them sandbox outages over an hour.\n\n**Sprites.** A Sprite keeps a 100 GB ext4 disk between runs, bills compute only while active and can be checkpointed and restored through a published OpenAPI contract. The status page records four Sprites incidents in the last 90 days, one lasting over seven hours, and outbound network access is unrestricted until a policy is set.\n\n## Before you call either\n\n### Blaxel Sandboxes\n\n1. Close WebSocket and terminal connections when done. An open connection keeps the sandbox active and billed\n2. Set a TTL or idle expiry on throwaway sandboxes. The default is to keep them\n3. Set `forbiddenDomains` or an allow list at creation, with `network.firewall` for tools that ignore proxy settings. Both can only be set when the sandbox is created\n4. Retry only on WORKLOAD_UNAVAILABLE. The error reference says other codes won't succeed on retry\n5. Connect to `\u003csandbox URL\u003e/mcp` with your API key instead of wrapping the REST API in tools yourself\n\n### Sprites\n\n1. Create a token at sprites.dev/account after a browser signup, and send it as `Authorization: Bearer \u003ctoken\u003e` to `https://api.sprites.dev`\n2. Follow the OpenAPI document, not the product page example. Create with `POST /v1/sprites` and a JSON `name`, and run commands with `POST /v1/sprites/{name}/exec` using `cmd` query parameters\n3. Set a network policy with `POST /v1/sprites/{name}/policy/network` before running untrusted code. Egress is open until one is set\n4. Processes started by exec stop on a cold wake. Define a Service for anything that must answer the request that wakes the Sprite\n5. Create a checkpoint before a restore. Restoring replaces the filesystem, ends active sessions and keeps no copy of the replaced state\n6. Sprite creation is limited to 10 a minute on pay-as-you-go. The Go SDK reads `Retry-After` and the error code `sprite_creation_rate_limited` on a 429\n7. Delete Sprites you no longer need. An idle Sprite still bills cold storage for the bytes it holds\n\n## Questions\n\n### Which is better for AI agents, Blaxel Sandboxes or Sprites?\n\nBlaxel Sandboxes scores 60.7 (C) on agent readiness against Sprites's 58.3 (C), and leads in 6 of 7 scored categories. Sprites leads on reliability.\n\n### Do Blaxel Sandboxes and Sprites need an API key?\n\nBlaxel Sandboxes takes an API key or an OAuth sign-in. Sprites needs an API key.\n\n### Can an agent call Blaxel Sandboxes and Sprites without installing anything?\n\nBlaxel Sandboxes has a hosted endpoint at https://api.blaxel.ai/v0. No hosted endpoint is listed for Sprites.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites.json, and with the fewest tokens: https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"blaxel-sandboxes\", \"b\": \"sprites\"}`. From a terminal: `anchor compare blaxel-sandboxes sprites`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/blaxel-sandboxes.json and https://www.anchorterminal.com/api/v1/tools/sprites.json\n\n## Other comparisons with Blaxel Sandboxes or Sprites\n\n- [Amazon Bedrock AgentCore Code Interpreter vs Blaxel Sandboxes](https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-blaxel-sandboxes.md)\n- [Amazon Bedrock AgentCore Code Interpreter vs Sprites](https://www.anchorterminal.com/compare/agentcore-code-interpreter-vs-sprites.md)\n- [Blaxel Sandboxes vs Cloudflare Sandbox SDK](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-cloudflare-sandbox-sdk.md)\n- [Blaxel Sandboxes vs Daytona](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-daytona.md)\n- [Blaxel Sandboxes vs Deno Sandbox](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-deno-sandbox.md)\n- [Blaxel Sandboxes vs E2B](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-e2b.md)\n- [Blaxel Sandboxes vs Freestyle](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-freestyle.md)\n- [Blaxel Sandboxes vs Microsoft Execution Containers](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-microsoft-execution-containers.md)\n- [Blaxel Sandboxes vs Modal Sandboxes](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-modal-sandboxes.md)\n- [Blaxel Sandboxes vs Morph Cloud](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-morph-cloud.md)\n- [Blaxel Sandboxes vs Runloop Devboxes](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-runloop.md)\n- [Blaxel Sandboxes vs Together Code Sandbox](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-together-code-sandbox.md)\n- [Blaxel Sandboxes vs Vercel Sandbox](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox.md)\n- [Cloudflare Sandbox SDK vs Sprites](https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-sprites.md)\n- [Daytona vs Sprites](https://www.anchorterminal.com/compare/daytona-vs-sprites.md)\n- [Deno Sandbox vs Sprites](https://www.anchorterminal.com/compare/deno-sandbox-vs-sprites.md)\n- [E2B vs Sprites](https://www.anchorterminal.com/compare/e2b-vs-sprites.md)\n- [Freestyle vs Sprites](https://www.anchorterminal.com/compare/freestyle-vs-sprites.md)\n- [Microsoft Execution Containers vs Sprites](https://www.anchorterminal.com/compare/microsoft-execution-containers-vs-sprites.md)\n- [Modal Sandboxes vs Sprites](https://www.anchorterminal.com/compare/modal-sandboxes-vs-sprites.md)\n- [Morph Cloud vs Sprites](https://www.anchorterminal.com/compare/morph-cloud-vs-sprites.md)\n- [Runloop Devboxes vs Sprites](https://www.anchorterminal.com/compare/runloop-vs-sprites.md)\n- [Sprites vs Together Code Sandbox](https://www.anchorterminal.com/compare/sprites-vs-together-code-sandbox.md)\n- [Sprites vs Vercel Sandbox](https://www.anchorterminal.com/compare/sprites-vs-vercel-sandbox.md)\n- [Agent 37 Cloud vs Blaxel Sandboxes](https://www.anchorterminal.com/compare/agent37-vs-blaxel-sandboxes.md)\n- [Agent 37 Cloud vs Sprites](https://www.anchorterminal.com/compare/agent37-vs-sprites.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-09", "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": "Blaxel Sandboxes vs Sprites", "url": "" } ], "description": "Blaxel Sandboxes scores 60.7 (C) on agent readiness against Sprites's 58.3 (C), and leads in 6 of 7 scored categories. Sprites leads on reliability. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Blaxel Sandboxes C 60.7", "Sprites C 58.3", "scores" ], "h1": "Blaxel Sandboxes vs Sprites", "image": "https://www.anchorterminal.com/assets/og/compare-blaxel-sandboxes-vs-sprites.png", "path": "/compare/blaxel-sandboxes-vs-sprites", "published": "2026-10-01", "section": "tools", "title": "Blaxel Sandboxes vs Sprites for AI agents, C 60.7 vs C 58.3", "toc": null, "updated": "2026-10-09", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-sprites" }, "tokens": { "markdown": 2600, "slim": 680 }, "version": 1 }