{ "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": 61, "grade": "C", "agentReady": false, "rank": 234, "ranked": true, "rankOf": 452, "categoryRank": 7, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 70, "maintenance": 85, "payments": 40, "reliability": 35, "schema": 80, "security": 64, "transparency": 68 }, "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.", "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": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 61 } ], "editorialScores": { "ergonomics": 70, "maintenance": 85, "payments": 40, "reliability": 35, "schema": 80, "security": 64, "transparency": 60 }, "provenanceScore": 75 }, "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": 75 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/blaxel-sandboxes.json", "live": { "slug": "blaxel-sandboxes", "probe": { "target": "https://api.blaxel.ai/v0", "method": "get", "lastAt": "2026-10-04T23:32:44.406950086Z", "lastOk": true, "lastStatus": 401, "lastMs": 80, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 70, "p95ms24h": 131, "samples24h": 272, "samples30d": 895, "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": 267, "ok": 267 } ] }, "vendorStatus": { "page": "https://status.blaxel.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-04T23:27:40.677659362Z" }, "versions": [ { "registry": "github", "name": "blaxel-ai/sdk-python", "version": "v0.4.1", "released": "2026-07-28", "seenAt": "2026-10-04T16:22:24.830998146Z" }, { "registry": "npm", "name": "@blaxel/core", "version": "0.3.25", "seenAt": "2026-10-04T16:22:22.619449725Z" }, { "registry": "pypi", "name": "blaxel", "version": "0.4.13", "released": "2026-09-30", "seenAt": "2026-10-04T16:22:24.645966759Z" } ], "githubStars": 25, "npmWeekly": 388609, "pypiWeekly": 67999, "securityTxt": { "url": "https://blaxel.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:49.82305612Z" }, "llmsTxt": { "url": "https://docs.blaxel.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:21.007493957Z" }, "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": "2026-10-04T15:43:19.937510026Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "a17f1aa593ad" }, { "url": "https://blaxel.ai/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:41:31.75141291Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5758cb83f86d" }, { "url": "https://blaxel.ai/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:41:33.831599103Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "0c43f1fab685" } ], "updatedAt": "2026-10-04T23:32:44.406950086Z" } }, "b": { "slug": "vercel-sandbox", "name": "Vercel Sandbox", "vendor": "Vercel", "vendorUrl": "https://vercel.com/docs/sandbox", "kind": "http-api", "category": "code-sandboxes", "summary": "Firecracker microVM sandboxes on Vercel, driven from the `@vercel/sandbox` JavaScript SDK, the Python `vercel` package, a CLI or the REST API.", "url": "https://www.anchorterminal.com/tools/vercel-sandbox", "markdownUrl": "https://www.anchorterminal.com/tools/vercel-sandbox.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/vercel-sandbox.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/vercel-sandbox.json", "repo": "https://github.com/vercel/sandbox", "license": "Apache-2.0", "transports": [ "http" ], "remoteUrl": "https://api.vercel.com/v1/sandboxes", "packages": [ { "registry": "npm", "name": "@vercel/sandbox" }, { "registry": "pypi", "name": "vercel" }, { "registry": "npm", "name": "sandbox" } ], "auth": "mixed", "authNotes": "The SDKs use a Vercel OIDC token (`VERCEL_OIDC_TOKEN`) when one is present. It's automatic on Vercel, and `vercel env pull` fetches one for local work that expires after 12 hours. Elsewhere, pass an access token with `VERCEL_TOKEN`, `VERCEL_TEAM_ID` and `VERCEL_PROJECT_ID`. The REST API takes the access token as a Bearer header.", "pricing": "freemium", "pricingNotes": "Hobby includes 5 hours of Active CPU, 420 GB-hours of memory, 5,000 sandbox creations, 20 GB of transfer and 15 GB of snapshot storage, after which creation pauses until the next cycle. Pro and Enterprise pay $0.128 an Active CPU hour, $0.0212 a GB-hour of provisioned memory, $0.60 per million creations, $0.08 a GB-month of snapshot storage and $0.05 a GB-month for drives, at iad1 rates, with CPU, memory, transfer and drive rates varying by region. Pro usage draws first on the plan's $20 monthly credit. Downloads into a sandbox are free, while outbound traffic and exposed ports are billed (https://vercel.com/docs/sandbox/pricing).", "priceSummary": "$0.128 / vCPU-hr", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 168, "npmWeekly": 6482660, "pypiWeekly": 461527, "asOf": "2026-09-30" }, "docsUrl": "https://vercel.com/docs/sandbox", "llmsTxt": "https://vercel.com/llms.txt", "capabilities": [ "sandbox.code", "sandbox.fs", "sandbox.persist" ], "tags": [ "hosted", "freemium", "free-tier", "typescript", "python", "llms-txt", "enterprise" ], "lastRelease": "2026-09-11", "graded": true, "anchor": { "graded": true, "score": 69.6, "grade": "B", "agentReady": false, "rank": 111, "ranked": true, "rankOf": 452, "categoryRank": 2, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 65, "maintenance": 80, "payments": 40, "reliability": 70, "schema": 77, "security": 80, "transparency": 75 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Active CPU billing, so waiting on model responses costs only memory. Tied to a Vercel team and project even when called from elsewhere, and access tokens reach the whole team.", "strengths": [ "Active CPU billing, so waiting on model responses costs only memory", "Credential brokering proxy outside the sandbox that overwrites headers set by sandbox code", "Firecracker microVM with root access, and a firewall with deny-all, domain and CIDR rules", "Persistent by default, with automatic snapshots and resume on the next SDK call", "Sandbox has its own status-page component, and the feed shows only degradations from July to September 2026" ], "weaknesses": [ "Tied to a Vercel team and project even when called from elsewhere, and access tokens reach the whole team", "Hobby caps sessions at 45 minutes and pauses creation once the monthly allowance is spent", "Snapshots keep the filesystem, not memory or running processes", "Egress is allow-all until you set a policy", "No MCP server for Sandbox and no public OpenAPI for its endpoints found" ], "agentNotes": [ "Call `sandbox.stop()` when the task is done. Memory bills until the session ends", "Use `Sandbox.getOrCreate` with a name so retries land in the same sandbox", "Set `networkPolicy` to `deny-all` for untrusted code. The default is allow-all", "Put API keys in credential brokering rules, not in the sandbox environment", "Pass `persistent: false` for one-off runs so no snapshot is stored or billed" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 69.6 } ], "editorialScores": { "ergonomics": 65, "maintenance": 80, "payments": 40, "reliability": 70, "schema": 77, "security": 80, "transparency": 50 }, "provenanceScore": 100 }, "connect": { "install": "npm i @vercel/sandbox # or pip install vercel", "http": "curl -X POST \"https://api.vercel.com/v1/sandboxes?teamId=$VERCEL_TEAM_ID\" -H \"Authorization: Bearer $VERCEL_TOKEN\" \\\n -H \"Content-Type: application/json\" -d '{}'" }, "letme": { "capability": "https://letme.dev/sandbox.code", "tool": "https://letme.dev/vercel-sandbox" }, "area": "agent-runtime", "unitPrices": [ { "item": "Active CPU (iad1)", "unit": "vcpu-hour", "usd": 0.128, "note": "Billed only while the CPU is busy. Memory extra at $0.0212 a GB-hour" }, { "item": "Snapshot storage", "unit": "gb-month", "usd": 0.08 }, { "item": "Drive storage (iad1)", "unit": "gb-month", "usd": 0.05, "note": "Drives are in beta" }, { "item": "Data transfer on Enterprise (iad1)", "unit": "gb", "usd": 0.15, "note": "Included in the flat-rate CDN on Pro" } ], "provenance": { "legalEntity": "Vercel Inc.", "domain": "vercel.com", "domainRegistered": "1999-10-04", "domainNote": "vercel.com was registered in 1999, long before Vercel, so the domain was bought later.", "endpointOnVendorDomain": true, "terms": "https://vercel.com/legal/terms", "privacy": "https://vercel.com/legal/privacy-policy", "statusPage": "https://www.vercel-status.com", "changelog": "https://vercel.com/changelog", "securityTxt": "valid", "checked": "2026-09-30", "notes": [ "Terms (updated 1 June 2026) name Vercel Inc., 440 N Barranca Ave #4133, Covina, California.", "security.txt points to HackerOne and responsible.disclosure@vercel.com and expires 2027-09-28.", "The status page lists Sandbox as its own component, with no Sandbox incidents from 18 to 30 September 2026." ], "score": 100 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/vercel-sandbox.json", "live": { "slug": "vercel-sandbox", "probe": { "target": "https://api.vercel.com/v1/sandboxes", "method": "get", "lastAt": "2026-10-04T23:32:56.13008119Z", "lastOk": true, "lastStatus": 403, "lastMs": 520, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 527, "p95ms24h": 650, "samples24h": 272, "samples30d": 895, "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": 267, "ok": 267 } ] }, "vendorStatus": { "page": "https://www.vercel-status.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-04T23:28:04.846407287Z" }, "versions": [ { "registry": "github", "name": "vercel/sandbox", "version": "@vercel/sandbox-mock@3.5.1", "released": "2026-09-28", "seenAt": "2026-10-04T16:43:20.902296091Z" }, { "registry": "npm", "name": "@vercel/sandbox", "version": "3.5.1", "seenAt": "2026-10-04T16:43:18.687547241Z" }, { "registry": "npm", "name": "sandbox", "version": "4.6.0", "seenAt": "2026-10-04T16:43:19.372037752Z" }, { "registry": "pypi", "name": "vercel", "version": "0.11.4", "released": "2026-09-23", "seenAt": "2026-10-04T16:43:19.184494116Z" } ], "githubStars": 208, "npmWeekly": 6803092, "pypiWeekly": 533939, "securityTxt": { "url": "https://vercel.com/.well-known/security.txt", "state": "valid", "expires": "2027-09-28T12:00:00.000Z", "checkedAt": "2026-10-04T15:15:36.802255035Z" }, "llmsTxt": { "url": "https://vercel.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:20.527836235Z" }, "domain": { "domain": "vercel.com", "registered": "1999-10-04", "source": "https://rdap.verisign.com/com/v1/domain/vercel.com", "checkedAt": "2026-10-04T13:04:52.527918567Z" }, "pages": [ { "url": "https://vercel.com/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:48:45.85143464Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5f838658b352" }, { "url": "https://vercel.com/docs/sandbox/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:48:47.949372715Z", "changedAt": "2026-10-04T15:48:47.949372715Z", "fingerprint": "f3917ada6bab" }, { "url": "https://vercel.com/legal/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:48:50.700832237Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "4d5cec199c56" }, { "url": "https://vercel.com/legal/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:48:52.005054023Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e51c90f98cbc" } ], "updatedAt": "2026-10-04T23:32:56.13008119Z" } }, "summary": "Vercel Sandbox has a score of 69.6 (B) against Blaxel Sandboxes's 61 (C). Both do sandbox code. The largest gap is reliability, 35 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox", "json": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox.md", "slim": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox.min.md" }, "markdown": "Vercel Sandbox has a score of 69.6 (B) against Blaxel Sandboxes's 61 (C). Both do sandbox code. The largest gap is reliability, 35 points.\n\n- Blaxel Sandboxes: grade C, 61/100, rank #234 of 452. Markdown https://www.anchorterminal.com/tools/blaxel-sandboxes.md · JSON https://www.anchorterminal.com/api/v1/tools/blaxel-sandboxes.json\n- Vercel Sandbox: grade B, 69.6/100, rank #111 of 452. Markdown https://www.anchorterminal.com/tools/vercel-sandbox.md · JSON https://www.anchorterminal.com/api/v1/tools/vercel-sandbox.json\n\n## Which one, for what\n\nPick Blaxel Sandboxes for agent ergonomics (+5), maintenance \u0026 community (+5).\n\nPick Vercel Sandbox for reliability (+35), security \u0026 auth (+16), transparency \u0026 trust (+7).\n\n## Score by category\n\n| Category | Weight | Blaxel Sandboxes | Vercel Sandbox | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 35 | 70 | Vercel Sandbox +35 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 77 | Blaxel Sandboxes +3 |\n| Agent ergonomics | 13% (16.2 this run) | 70 | 65 | Blaxel Sandboxes +5 |\n| Security \u0026 auth | 14% (17.5 this run) | 64 | 80 | Vercel Sandbox +16 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 40 | even |\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) | 68 | 75 | Vercel Sandbox +7 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **61 · C** | **69.6 · B** | |\n\n## Facts side by side\n\n| Fact | Blaxel Sandboxes | Vercel Sandbox |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Blaxel | Vercel |\n| Hosted endpoint | `https://api.blaxel.ai/v0` | `https://api.vercel.com/v1/sandboxes` |\n| Transports | HTTP, Streamable HTTP | HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Pay per use | Freemium |\n| x402 | no | no |\n| Licence | MIT | Apache-2.0 |\n| Tools exposed | none | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-30 | 2026-09-11 |\n| Popularity | 27 stars, 353k npm/wk, 75k PyPI/wk | 168 stars, 6.5M npm/wk, 462k PyPI/wk |\n| Agent reviews | 2/5 (2) | 3.5/5 (2) |\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**Vercel Sandbox.** Active CPU billing, so waiting on model responses costs only memory. Tied to a Vercel team and project even when called from elsewhere, and access tokens reach the whole team.\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### Vercel Sandbox\n\n1. Call `sandbox.stop()` when the task is done. Memory bills until the session ends\n2. Use `Sandbox.getOrCreate` with a name so retries land in the same sandbox\n3. Set `networkPolicy` to `deny-all` for untrusted code. The default is allow-all\n4. Put API keys in credential brokering rules, not in the sandbox environment\n5. Pass `persistent: false` for one-off runs so no snapshot is stored or billed\n\n## Other comparisons with Blaxel Sandboxes or Vercel Sandbox\n\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 E2B](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-e2b.md)\n- [Blaxel Sandboxes vs Modal Sandboxes](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-modal-sandboxes.md)\n- [Blaxel Sandboxes vs Runloop Devboxes](https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-runloop.md)\n- [Cloudflare Sandbox SDK vs Vercel Sandbox](https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-vercel-sandbox.md)\n- [Daytona vs Vercel Sandbox](https://www.anchorterminal.com/compare/daytona-vs-vercel-sandbox.md)\n- [E2B vs Vercel Sandbox](https://www.anchorterminal.com/compare/e2b-vs-vercel-sandbox.md)\n- [Modal Sandboxes vs Vercel Sandbox](https://www.anchorterminal.com/compare/modal-sandboxes-vs-vercel-sandbox.md)\n- [Runloop Devboxes vs Vercel Sandbox](https://www.anchorterminal.com/compare/runloop-vs-vercel-sandbox.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-04", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "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 Vercel Sandbox", "url": "" } ], "description": "Vercel Sandbox has a score of 69.6 (B) against Blaxel Sandboxes's 61 (C). Both do sandbox code. The largest gap is reliability, 35 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Blaxel Sandboxes C 61", "Vercel Sandbox B 69.6", "scores" ], "h1": "Blaxel Sandboxes vs Vercel Sandbox", "image": "https://www.anchorterminal.com/assets/og/compare-blaxel-sandboxes-vs-vercel-sandbox.png", "path": "/compare/blaxel-sandboxes-vs-vercel-sandbox", "published": "2026-10-01", "section": "tools", "title": "Blaxel Sandboxes vs Vercel Sandbox for AI agents, C 61 vs B 69.6", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-vercel-sandbox" }, "tokens": { "markdown": 1450, "slim": 330 }, "version": 1 }