{"passport":{"slug":"claude-sonnet-5","display_name":"Claude Sonnet 5","model_type":"language","parameter_count":null,"context_window":"2M tokens (primary), 1M tokens stable","claimed_developer":"Anthropic","confirmed_developer":"Anthropic","developer_display":"Anthropic","developer_confirmed_at":"2026-06-30T00:00:00+00:00","developer_source":"Confirmed via https://www.anthropic.com/news/claude-sonnet-5","first_appeared_at":"2026-06-30T18:45:43+00:00","first_appeared_on":"GitHub — Claude Code","status":"confirmed","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"GPAI","regulatory_status":{"eu_ai_act":"GPAI"},"open_source":false,"weights_available":false,"license":null,"provenance_chain":[],"parent_model":null,"model_family":null,"superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"developer_corrected","event_date":"2026-08-26T00:00:00+00:00","title":"Correction: disposition authority vs execution actor","detail":"The confirmation event on this row at 2026-08-26T13:32:43.728939+00:00 recorded data.disposition=\"human\" with actor=\"stark-raaw\". That is imprecise and is corrected here rather than rewritten. AUTHORITY was human — Do Raaw — by explicit ruling (Do GO x4 (S248, ~17:0x CEST), GO 2 — 'the actor each event carries; correction event per row, never a rewrite'). EXECUTION was performed by stark-raaw, an AGENT, not a person. The developer attribution and the evidence class on the original event are UNCHANGED and remain correct; only the claim about who performed the disposition is narrowed. Raised by Stark against his own record: asserting human-in-the-loop where the actor was a process is the same defect filed the same day against scripts/ack-redalert.cjs.","source_url":null,"source_name":"stark-raaw"},{"event_type":"first_appearance","event_date":"2024-09-01T00:00:00+00:00","title":"First recorded in AI news","detail":"Anthropic introduced Claude Sonnet 5 as the new default model in Claude Code with a native 1M-token context window. The model is available at promotional pricing of $2 per million tokens for input and $10 per million tokens for output through August 31. Users must update to version 2.1.197 to access this model.","source_url":"https://github.com/anthropics/claude-code/releases/tag/v2.1.197","source_name":"GitHub — Claude Code"}],"delta":{"days_unattributed":null,"claimed_developer":"Anthropic","confirmed_developer":"Anthropic","match":true}}