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overhead","assumptions":"1,000 tasks @ 3 min (0.05 hr) runtime per task with 1.15x retry overhead."}},"representativeQuote":{"skuId":"browserbase-startup-browser-hour","item":"Startup browser hour overage","plan":"Startup browser hour overage — After included browser hours on the Startup plan","amountUsd":0.1,"inputOrUnitUsd":0.1,"unit":"usd_per_browser_hour","outputUsd":null,"outputUnit":null,"sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-28"},"estimatedTaskCost":{"tasks":1000,"retryAndToolOverheadMultiplier":1.15,"retryToolOverheadMultiplier":1.15,"unitsPerTask":0.05,"baseCostPer1kTasksUsd":5,"totalUsd":5.75,"estimatedTotalUsd":5.75,"perTaskUsd":0.00575,"estimatedCostPerTaskUsd":0.00575,"formula":"(1,000 tasks * 0.05 hr/task * 0.1/browser_hour) * 1.15 overhead","assumptions":"1,000 tasks @ 3 min (0.05 hr) runtime per task with 1.15x retry overhead."},"freeAlternatives":[],"referenceDocs":[],"falsification":{"jtbdId":"computer-use-browser-agent-evals","jtbdName":"Browser, WebArena & Desktop Computer-Use Agent Evaluation","currentPickId":"browserbase","currentPickScore":8.39,"challengerId":"e2b","challengerScore":8.63,"currentScoreGap":-0.24,"minVerifiedOutcomes":10,"requiredOutcomeMargin":0.15,"requiredSuccessRateDelta":0.15,"maxPickPriceIncreasePct":25,"whatWouldChangePick":["E2B (e2b) outperforms Browserbase (browserbase) by >= 0.15 outcome points (or >= 15% worked-rate delta) across >= 10 Countersign-verified production outcomes.","A verified price increase > 25% on Browserbase's representative SKU for computer-use-browser-agent-evals without a corresponding capability gain.","Live caller rail exhaustion (?exhausted=browserbase) or sustained >= 30% degraded/failed rate in verified production outcomes."],"frozenHoldoutPolicy":{"holdoutSplit":"20% frozen benchmark holdout tasks + 80% live production outcome receipts","requireCountersignReceipt":true,"requiredEvidenceTiers":["outcome_verified","reference_checked"],"minDistinctContributors":2,"antiGamingRule":"Unverified self-reports and seed/editorial rows never mutate picks or scores."},"triggers":[{"kind":"verified_outcomes_outperformance","challengerId":"e2b","minVerifiedOutcomes":10,"requiredOutcomeMargin":0.15,"requiredWorkedRateDelta":0.15},{"kind":"verified_price_increase","providerId":"browserbase","maxPriceIncreasePct":25},{"kind":"live_rail_exhaustion_or_degradation","providerId":"browserbase","immediateOverrideUrl":"/api/decide?jtbd=computer-use-browser-agent-evals&exhausted=browserbase"}],"submissionSpec":{"falsifyEndpoint":"/api/falsify?jtbd=computer-use-browser-agent-evals","outcomesEndpoint":"POST /api/feedback","correctionsEndpoint":"POST /api/corrections","payloadTemplate":{"agentIdentity":"agent:<your-agent-id>","jtbdId":"computer-use-browser-agent-evals","providerId":"e2b","outcome":"worked","detail":"Comparative 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(8.8 vs 8.6)","methodologyWarning":"Top pick (8.39) and #2 runner-up (8.63) are separated by 0.24 points (<= 0.35 weight-sensitivity band). Treat them as co-picks and use the workload tie-breaker rule below rather than the raw composite decimal.","tieBreakerRule":"Need full desktop OS (Ubuntu/X11) sandboxes for OSWorld GUI pixel/mouse/keyboard tasks — E2B Desktop; self-hosted OSS browser fleet to run thousands of free local WebArena episodes — Steel.dev; real iOS/Android handsets for mobile agent QA — BrowserStack; high-level managed browser-agent loop — Browser Use Cloud."},"decidingFactor":"latencyReliability (8.8 vs 8.6)","tieNote":"Top pick (8.39) and #2 runner-up (8.63) are separated by 0.24 points (<= 0.35 weight-sensitivity band). Treat them as co-picks and use the workload tie-breaker rule below rather than the raw composite decimal.","rationale":"Browserbase provides deterministic headless Chromium sessions with Stagehand/Playwright control, full DOM/network/video session replay, and predictable concurrent session scaling ($20/mo Developer, $0.10–$0.12/browser-hr as of 2026-10-28) so WebArena and BrowserGym eval runs fail on agent mistakes rather than local browser flakes.","whenNotTopPick":"Need full desktop OS (Ubuntu/X11) sandboxes for OSWorld GUI pixel/mouse/keyboard tasks — E2B Desktop; self-hosted OSS browser fleet to run thousands of free local WebArena episodes — Steel.dev; real iOS/Android handsets for mobile agent QA — BrowserStack; high-level managed browser-agent loop — Browser Use Cloud.","whenNotTopPickRules":[{"ifConstraint":"escape_hatch_clause_1","recommendedProviderId":"e2b","activeModelOrSku":"e2b-sandbox-1vcpu-per-s","reason":"Need full desktop OS (Ubuntu/X11) sandboxes for OSWorld GUI pixel/mouse/keyboard tasks — E2B Desktop"},{"ifConstraint":"budget:cost_floor_priority","recommendedProviderId":"steel-dev","activeModelOrSku":"steel-session-hour","reason":"self-hosted OSS browser fleet to run thousands of free local WebArena episodes — Steel.dev"},{"ifConstraint":"escape_hatch_clause_3","recommendedProviderId":"browserstack","activeModelOrSku":"browserstack-automate","reason":"real iOS/Android handsets for mobile agent QA — BrowserStack"},{"ifConstraint":"escape_hatch_clause_4","recommendedProviderId":"browser-use","activeModelOrSku":"browser-use-cloud-step","reason":"high-level managed browser-agent loop — Browser Use Cloud."}],"bootstrap":{"authType":"api_key","envVars":["BROWSERBASE_API_KEY","BROWSERBASE_PROJECT_ID"],"signupUrl":"https://www.browserbase.com/sign-up","apiKeyUrl":"https://www.browserbase.com/settings","docsUrl":"https://docs.browserbase.com/introduction/what-is-browserbase","mcpServer":"npx -y @browserbasehq/mcp-server-browserbase","cliInit":null,"sdkInstall":{"npm":"npm install @browserbasehq/sdk","pip":"pip install browserbase"},"installCommand":"npm install @browserbasehq/sdk","activeModelOrSku":"browserbase-developer-plan","canonicalSnippet":"import Browserbase from \"@browserbasehq/sdk\";\nconst bb = new Browserbase({ apiKey: process.env.BROWSERBASE_API_KEY! });","verifyCommand":"curl -sS https://api.browserbase.com/v1/sessions -H \"X-BB-API-Key: $BROWSERBASE_API_KEY\""},"quickstartSpec":{"installCommand":"npm install @browserbasehq/sdk","envVars":["BROWSERBASE_API_KEY","BROWSERBASE_PROJECT_ID"],"activeModelOrSku":"browserbase-developer-plan","canonicalSnippet":"import Browserbase from \"@browserbasehq/sdk\";\nconst bb = new Browserbase({ apiKey: process.env.BROWSERBASE_API_KEY! });","sdkInstall":{"npm":"npm install @browserbasehq/sdk","pip":"pip install browserbase"},"verifyCommand":"curl -sS https://api.browserbase.com/v1/sessions -H \"X-BB-API-Key: $BROWSERBASE_API_KEY\"","apiKeyUrl":"https://www.browserbase.com/settings","docsUrl":"https://docs.browserbase.com/introduction/what-is-browserbase","mcpServer":"npx -y @browserbasehq/mcp-server-browserbase","bootstrapReason":null},"operationalGotchas":[{"code":"hidden_spend_tier_gates","severity":"warning","summary":"Cost at high parallel sessions","sourceDate":"2026-10-28"},{"code":"hidden_spend_tier_gates","severity":"warning","summary":"Still need your own agent logic","sourceDate":"2026-10-28"}],"relatedPacks":[],"skipTopPick":false,"skipReason":null,"matchedConstraints":[],"unsupportedConstraints":[],"malformedConstraints":[],"conflictingConstraints":[],"constraintDigest":"sha256:eb9d397ca67bcf6889704910eeb3a58796ea2ef5e54fb6289c71f6114f2c67a7","constraintBundle":{"schemaVersion":"agentdepot.constraints.v1","task":null,"jtbd":"computer-use-browser-agent-evals","constraintsRaw":"","constraintTokens":[],"constraintDigest":"sha256:eb9d397ca67bcf6889704910eeb3a58796ea2ef5e54fb6289c71f6114f2c67a7","matchedConstraints":[],"unsupportedConstraints":[],"malformedConstraints":[],"conflictingConstraints":[],"typedConstraints":[],"quotaExhausted":[],"degraded":[],"healthy":[],"budgetUsd":null,"maxLatencyMs":null,"region":null,"privacy":null,"exit":[],"existing":[],"existingSubscriptions":[],"requiredCapabilities":[],"switchingCost":null},"pricingSummary":"Session-based cloud browsers; free/$20/$99/custom tiers; Playwright-compatible; recordings/stealth.","cite":"Depot Pick for computer-use-browser-agent-evals: browserbase (asOf 2026-10-28). See GET /api/jtbds/computer-use-browser-agent-evals + GET /api/methodology.","nextActions":[{"step":1,"title":"Inspect full JTBD + embeds","href":"/api/jtbds/computer-use-browser-agent-evals?embed=providers","why":"Confirm pick, runners-up, and methodology notes."},{"step":2,"title":"Quote sourced SKUs","href":"/api/quote?jtbd=computer-use-browser-agent-evals","why":"Depot Pick SKUs plus the cheapest sourced SKU whose unit matches this job. Does not change the pick. Does not blend input and output or borrow a chat rate for a non-chat job."},{"step":3,"title":"Open provider detail","href":"/api/providers/browserbase","why":"Scores, pricingNotes, strengths/weaknesses, communitySignals (claims only)."},{"step":4,"title":"Cite methodology","href":"/api/methodology","why":"Required when publishing a Depot Pick citation."},{"step":5,"title":"Grab badge SVG","href":"/api/badge?type=depot-pick&jtbd=computer-use-browser-agent-evals","why":"Embed in README / agent passport."},{"step":6,"title":"Post production insight","method":"POST","href":"/api/insights","why":"Unverified until curated; never auto-mutates official scores."}],"honesty":["Do not invent scores or benches.","Insights are claims until curated/reviewed; they never silently mutate official scores.","lockInRisk higher = more lock-in (worse).","normalizedUsdPerMillionTokens is set only for a single sourced token row. Otherwise null, with a machine-readable reason. Do not coerce GPU, minute, or per-1k search units.","Runners-up are not Depot Picks.","Depot overall is editorial_weighted, not Arena Elo and not an Artificial Analysis index."],"asOf":"2026-10-28","depth":{"whenNotToUse":{"text":"Need full desktop OS (Ubuntu/X11) sandboxes for OSWorld GUI pixel/mouse/keyboard tasks — E2B Desktop; self-hosted OSS browser fleet to run thousands of free local WebArena episodes — Steel.dev; real iOS/Android handsets for mobile agent QA — BrowserStack; high-level managed browser-agent loop — Browser Use Cloud.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"e2b","name":"E2B","overallForJob":8.63,"pickOverallForJob":8.39,"beatsPickOn":["capabilityFit","pricePerformance","privacyPosture","lockInRisk"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":5,"runnerUpLockInRisk":4,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":[],"runnerUpExitSignals":[],"pickNotes":[{"text":"Playwright/Puppeteer compatible","field":"strengths"},{"text":"Less self-host than Steel","field":"weaknesses"}],"selfHostFallback":[],"migration":"Runner-up E2B has lower stored lock-in risk (4 vs 5, 0–10, higher = more lock-in).","migrationReason":null,"derivedFrom":"stored lockInRisk scores, provider tags (oss, self-host, openai-compat, open-models), free rows that list this job, and verbatim provider notes. No migration guide was invented."}},"citation":{"text":"Agent Provider Depot (v0.13.9), Depot Pick for computer-use-browser-agent-evals: browserbase, scores as of 2026-10-28, retrieved 2026-10-29. https://getagentdepot.com/jtbds/computer-use-browser-agent-evals","markdown":"[Agent Provider Depot](https://getagentdepot.com/jtbds/computer-use-browser-agent-evals) (v0.13.9) — Depot Pick for `computer-use-browser-agent-evals`: **browserbase** (scores as of 2026-10-28, retrieved 2026-10-29)","fields":{"publisher":"Agent Provider Depot","version":"0.13.9","role":"depot_pick","jtbdId":"computer-use-browser-agent-evals","providerId":"browserbase","scoreAsOf":"2026-10-28","retrievedOn":"2026-10-29","page":"https://getagentdepot.com/jtbds/computer-use-browser-agent-evals","api":"https://getagentdepot.com/api/decide?jtbd=computer-use-browser-agent-evals"},"howToCite":"Cite Depot as an editorial, dated recommendation, not a benchmark: name the job, the Depot Pick (or runner-up), the score asOf date and the day you retrieved it, and link the job page. Format: “Agent Provider Depot (v{version}), Depot Pick for {jobId}: {providerId}, scores as of {scoreAsOf}, retrieved {retrievedOn}. {baseUrl}/jtbds/{jobId}”. Quote prices only with their own sourceUrl and asOf. If the pick's score is stale (freshness.pick.score.stale), say so."},"freshness":{"pick":{"score":{"asOf":"2026-10-28","ageDays":1,"stale":false,"staleAfterDays":30,"reason":null},"lastReviewed":{"asOf":"2026-10-28","ageDays":1,"stale":false,"staleAfterDays":30,"reason":null},"sourceCheck":{"checkedAt":"2026-10-28","sourceUrls":2,"sourcesReachable":2,"pricingRows":9,"pricingRowsReconfirmed":6,"note":"A source re-check confirms the page is reachable and, for pricing rows, that the stored amount and SKU name appear on it. It does not re-derive or change the score.","reason":null}},"scoreAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","pricingLastVerifiedAt":"2026-10-28","pickLastReviewed":"2026-10-28","runnersUpScoreAsOf":["2026-10-28","2026-10-28","2026-10-28","2026-10-28"],"contractAsOf":"2026-10-03","pricingShape":"sourced_rows","normalizedUsdPerMillionTokens":null,"normalizationStatus":"unit_mismatch","normalizationReason":"unit_mismatch"},"pricingContract":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unit_mismatch","normalizationReason":"unit_mismatch","shape":"sourced_rows","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[{"id":"browserbase-developer-browser-hour","providerId":"browserbase","sku":"Developer browser hour overage","unit":"usd_per_browser_hour","amountUsd":0.12,"currency":"USD","sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-28","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_browser_hour","priceSortEligible":false,"qualifier":"After included browser hours on the Developer plan. Not a subscription and not a token price."},{"id":"browserbase-startup-browser-hour","providerId":"browserbase","sku":"Startup browser hour overage","unit":"usd_per_browser_hour","amountUsd":0.1,"currency":"USD","sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-28","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_browser_hour","priceSortEligible":false,"qualifier":"After included browser hours on the Startup plan."},{"id":"browserbase-developer-plan","providerId":"browserbase","sku":"Developer plan","unit":"usd_per_month","amountUsd":20,"currency":"USD","sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-28","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_month","priceSortEligible":false,"qualifier":"Monthly plan fee. Included hours are not converted into this fee."},{"id":"browserbase-startup-plan","providerId":"browserbase","sku":"Startup plan","unit":"usd_per_month","amountUsd":99,"currency":"USD","sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-28","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_month","priceSortEligible":false,"qualifier":"Monthly plan fee."},{"id":"browserbase-search-calls","providerId":"browserbase","sku":"Search calls (default: Parallel Advanced)","unit":"usd_per_1k_searches","amountUsd":5,"currency":"USD","sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-21","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_1k_searches","priceSortEligible":false,"qualifier":"Developer and Startup overage after the 1,000 included Search calls, default search provider (Parallel, mode advanced). Pricing page 2026-10-21: '1,000 Search calls then $5/1k searches by default with more options' and '$5/1k for Parallel Advanced'; docs https://docs.browserbase.com/platform/search/overview.md (2026-10-21): '| `parallel` | `advanced` (default) | $5 |'. Other providers are separate rows in the same unit: browserbase-search-calls-parallel-fast ($1/1k) and browserbase-search-calls-exa ($7/1k). Included searches are shared across providers and modes. Note: the docs plans table https://docs.browserbase.com/account/billing/plans.md (fetched 2026-10-21) still shows a single '| *Search overage* | N/A | $7/1k calls | $7/1k calls | Custom |', which matches only the Exa price; the pricing page (commercial source) and the docs Search page give $5 as the default."},{"id":"browserbase-search-calls-parallel-fast","providerId":"browserbase","sku":"Search calls (Parallel Fast)","unit":"usd_per_1k_searches","amountUsd":1,"currency":"USD","sourceUrl":"https://www.browserbase.com/pricing","asOf":"2026-10-21","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_1k_searches","priceSortEligible":false,"qualifier":"Developer and Startup overage after the 1,000 included Search calls when the request sets provider=parallel, mode=fast. Pricing page 2026-10-21: '$1/1k for Parallel Fast'; docs https://docs.browserbase.com/platform/search/overview.md (2026-10-21): '| `parallel` | `fast` | $1 |'. Not the default; included searches are shared across providers and modes."}],"notesExcerpt":"Session-based cloud browsers; free/$20/$99/custom tiers; Playwright-compatible; recordings/stealth.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-10-28","scoreAsOf":"2026-10-28","website":"https://www.browserbase.com","doNotParse":"Do not parse pricingNotes. Use rows only. normalizedUsdPerMillionTokens is a single number only when this provider has exactly one sourced token row. Input/output, context tiers, and non-token units stay null at this level.","gap":"Partial coverage. Providers without a fetched SKU are omitted. See GET /api/pricing."},"links":{"jtbd":"/jtbds/computer-use-browser-agent-evals","jtbdApi":"/api/jtbds/computer-use-browser-agent-evals","leaderboard":"/api/leaderboards?jtbd=computer-use-browser-agent-evals","methodology":"/api/methodology","badge":"/api/badge?type=depot-pick&jtbd=computer-use-browser-agent-evals","decide":"/api/decide?jtbd=computer-use-browser-agent-evals","humanPage":"/jtbds/computer-use-browser-agent-evals","alternatives":"/api/alternatives?provider=browserbase","canonical":"/api/canonical","quote":"/api/quote?jtbd=computer-use-browser-agent-evals","falsify":"/api/falsify?jtbd=computer-use-browser-agent-evals"},"stackContext":{"host":null,"framework":null,"repo":null,"lang":null,"existing":[],"volume":null,"sender":null,"detectedFromTask":[]},"keep":null,"contextAdvice":null,"communityFeedback":{"pickOnThisJob":{"failed":0,"degraded":0,"worked":0,"insights":0,"withVerifiedReceipt":0,"failureModes":{},"latestAt":null,"note":"Agent-reported claims (unverified unless a receipt is verified by Depot's re-check). They never change scores or picks."},"outcomes":{"job":{"n":0,"worked":0,"degraded":0,"failed":0,"failureModes":{},"verifiedReports":0,"contributors":0,"excluded":{"seed_editorial":0,"test":0,"notFeedback":0},"reason":"no_submitted_outcome_reports_yet"},"pick":{"providerId":"browserbase","n":0,"worked":0,"degraded":0,"failed":0,"failureModes":{},"evidenceTiers":{"agent_claim":0,"self_declared":0,"reference_checked":0,"outcome_verified":0},"reason":"no_submitted_outcome_reports_yet"},"scoresMutated":false,"more":"/api/outcomes?jtbd=computer-use-browser-agent-evals"},"report":"POST /api/feedback {agentIdentity, outcome: failed|degraded|worked, detail, providerId, jtbdId, failureModeId?, receipt?}"}}