{"slug":"webvoyager-leaderboard","name":"WebVoyager Leaderboard","summary":"Public Steel.dev leaderboard of WebVoyager AI browser-agent benchmark results. It ranks submitted systems, reports scores and dates, and classifies weight openness and model size, including price-proxy and estimated classes when parameters are undisclosed.","publisher":"Steel.dev","homepage":"https://leaderboard.steel.dev/leaderboards/webvoyager","kind":"eval","hasApi":false,"hasMcp":false,"costRange":"unknown","costNotes":"Unknown: No price is stated for viewing or using the leaderboard. Token prices and blended per-million rates on the page classify ranked models (price proxy or estimated size); they are not a fee for this board. Tool charges are described as excluded from those model classifications.","functions":["browser","cache","code","policy","rank","connect","evaluate","parse"],"slices":[{"functionId":"rank","label":"Rank browser-agent submissions","note":"Orders evaluated WebVoyager systems by reported score and shows rank, system, model class, reported date, and source.","cost":"Unknown"},{"functionId":"evaluate","label":"Compare evaluated browser-agent systems","note":"Presents benchmark results for systems including their tools, compute budgets, and context strategies. Size categories do not guarantee hardware compatibility.","cost":"Unknown"},{"functionId":"browser","label":"browser","note":"Inferred from executor","cost":"Unknown"},{"functionId":"cache","label":"cache","note":"Inferred from executor","cost":"Unknown"},{"functionId":"code","label":"code","note":"Inferred from executor","cost":"Unknown"},{"functionId":"policy","label":"policy","note":"Inferred from executor","cost":"Unknown"},{"functionId":"connect","label":"connect","note":"Inferred from executor","cost":"Unknown"},{"functionId":"parse","label":"parse","note":"Inferred from executor","cost":"Unknown"}],"interfaces":[],"composabilityRationale":"The page is a public results board with methodology, ranks, sources, and repository links for submissions. It does not declare an API, MCP server, SDK, or other callable interface for the leaderboard. Mentions of harnesses, CDP, Selenium, and Alumnium MCP describe ranked systems, not this board. Unknown whether results can be queried or embedded programmatically.","signals":[],"functionProbabilities":[{"functionId":"browser","value":0.8,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"cache","value":0.8,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"code","value":0.8,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"policy","value":0.8,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"rank","value":0.8,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"connect","value":0.72,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"evaluate","value":0.72,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"parse","value":0.72,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"reason","value":0.72,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"},{"functionId":"tool-call","value":0.72,"source":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"lexical","observedAt":"2026-10-19T01:24:48.639Z"}],"claimVerification":[{"key":"mcp","status":"unverified","asserted":"false","evidenceSource":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"fallback"},{"key":"api","status":"unverified","asserted":"false","evidenceSource":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"fallback"},{"key":"cost","status":"unverified","asserted":"unknown","evidenceSource":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"fallback"},{"key":"license","status":"unverified","asserted":"","evidenceSource":"https://leaderboard.steel.dev/leaderboards/webvoyager","method":"fallback"}],"tweets":[],"notes":[],"origin":"intake","createdAt":"2026-10-19T01:24:49.454Z","updatedAt":"2026-10-19T01:24:49.454Z","sources":[{"kind":"web","label":"executor","url":"https://leaderboard.steel.dev/leaderboards/webvoyager","excerpt":"## Scores\n\n### How model sizes and weights are classified\n\nSize classes follow the Artificial Analysis categories: Tiny ≤4B; Small >4–40B; Medium >40–150B; Large >150B total parameters. Active MoE parameters are reported separately.\n\nWhen p","at":"2026-10-19T01:24:49.454Z"}],"recordId":"cmp_webvoyager-leaderboard","claims":{"name":"WebVoyager Leaderboard","summary":"Public Steel.dev leaderboard of WebVoyager AI browser-agent benchmark results. It ranks submitted systems, reports scores and dates, and classifies weight openness and model size, including price-proxy and estimated classes when parameters are undisclosed.","kind":"eval","publisher":"Steel.dev","homepage":"https://leaderboard.steel.dev/leaderboards/webvoyager","costRange":"unknown","costNotes":"Unknown: No price is stated for viewing or using the leaderboard. Token prices and blended per-million rates on the page classify ranked models (price proxy or estimated size); they are not a fee for this board. Tool charges are described as excluded from those model classifications.","functions":["browser","cache","code","policy","rank","connect","evaluate","parse"],"slices":[{"functionId":"rank","label":"Rank browser-agent submissions","note":"Orders evaluated WebVoyager systems by reported score and shows rank, system, model class, reported date, and source.","cost":"Unknown"},{"functionId":"evaluate","label":"Compare evaluated browser-agent systems","note":"Presents benchmark results for systems including their tools, compute budgets, and context strategies. Size categories do not guarantee hardware compatibility.","cost":"Unknown"},{"functionId":"browser","label":"browser","note":"Inferred from executor","cost":"Unknown"},{"functionId":"cache","label":"cache","note":"Inferred from executor","cost":"Unknown"},{"functionId":"code","label":"code","note":"Inferred from executor","cost":"Unknown"},{"functionId":"policy","label":"policy","note":"Inferred from executor","cost":"Unknown"},{"functionId":"connect","label":"connect","note":"Inferred from executor","cost":"Unknown"},{"functionId":"parse","label":"parse","note":"Inferred from executor","cost":"Unknown"}],"interfaces":[],"composabilityRationale":"The page is a public results board with methodology, ranks, sources, and repository links for submissions. It does not declare an API, MCP server, SDK, or other callable interface for the leaderboard. Mentions of harnesses, CDP, Selenium, and Alumnium MCP describe ranked systems, not this board. Unknown whether results can be queried or embedded programmatically."},"relations":[{"from":"webvoyager-leaderboard","to":"firecrawl","kind":"fills-same-slot-as","note":"Shared functions browser, cache, code, parse. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"the-agent","kind":"fills-same-slot-as","note":"Shared functions browser, cache, code, evaluate. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"agent-vm","kind":"fills-same-slot-as","note":"Shared functions browser, code, connect. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"best-stateful-sandboxes-for-code-execution-in-2026","kind":"fills-same-slot-as","note":"Shared functions code, evaluate, rank. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"comparing-ai-agent-sandbox-platforms-e2b-modal-daytona-and-more","kind":"fills-same-slot-as","note":"Shared functions code, connect, evaluate. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"betterwright","kind":"fills-same-slot-as","note":"Shared functions code, policy. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"executor","kind":"fills-same-slot-as","note":"Shared functions code, connect. Can fill the same function slot."},{"from":"webvoyager-leaderboard","to":"agent-readability-glossary-llms-txt-mcp-a2a-more","kind":"fills-same-slot-as","note":"Shared functions browser, code, connect. Can fill the same function slot."}],"explain":{"score":3,"formula":"100 × sum(weight × value) over observed factors only. Unobserved factors are omitted, not zeroed.","factors":[{"id":"github_health","label":"GitHub health","weight":0.18,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"agent_use","label":"Agent use","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"human_notes","label":"Human notes","weight":0.14,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"composability","label":"Composability","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"checklist","label":"Checklist","weight":0.1,"value":0,"contribution":0,"why":"No MCP surface is declared. No API is declared. Cost is unknown. 0 of 3 checklist fields are complete.","sources":[],"evidence":"observed"},{"id":"evidence_quality","label":"Evidence quality","weight":0.14,"value":0.18107144632819594,"contribution":0.025350002485947435,"why":"1 sources cover 1 evidence types. The latest dated evidence is 2026-10-19. Freshness is omitted unless observed as a signal.","sources":[{"kind":"web","label":"executor","url":"https://leaderboard.steel.dev/leaderboards/webvoyager","excerpt":"## Scores\n\n### How model sizes and weights are classified\n\nSize classes follow the Artificial Analysis categories: Tiny ≤4B; Small >4–40B; Medium >40–150B; Large >150B total parameters. Active MoE parameters are reported separately.\n\nWhen p","at":"2026-10-19T01:24:49.454Z"}],"evidence":"observed"},{"id":"benchmark","label":"Benchmarks","weight":0.12,"why":"insufficient evidence","sources":[],"evidence":"insufficient"}],"missing":["GitHub health: insufficient evidence","Agent use: insufficient evidence","Human notes: insufficient evidence","Composability: insufficient evidence","Benchmarks: insufficient evidence"]},"score":3}