{"name":"claude-3-5-haiku","slug":"claude-3-5-haiku","family":"model","title":"Models","noun":"model","description":"Haiku 3.5 in Claude Code's model table (display name `Haiku 3.5`, family `haiku`). It maps to `claude-3-5-haiku-20241022` on the first-party API, `us.anthropic.claude-3-5-haiku-20241022-v1:0` on Bedrock and `claude-3-5-haiku@20241022` on Vertex, takes its Vertex region from `VERTEX_REGION_CLAUDE_3_5_HAIKU`, and has a maximum output of `8192` tokens.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":{"version":"2.0.73","released_at":"2025-12-18 23:25:55","spans":1}},"aliases":[],"entries":[{"version":"2.0.73","anchor":"claude-3-5-haiku-deprecation-notice","heading":"Claude 3.5 Haiku Deprecation Notice","line":null,"released_at":"2025-12-18 23:25:55","reason":"found in this entry's text"}],"entries_total":1,"docs":[{"source":"api","path":"about-claude\/model-deprecations","title":"model-deprecations","documented":false},{"source":"api","path":"about-claude\/models\/migration-guide","title":"Or, for the model with the same capabilities and no access approval requirement:","documented":false},{"source":"api","path":"build-with-claude\/claude-on-vertex-ai","title":"claude-on-vertex-ai","documented":false},{"source":"api","path":"models\/haiku-5-5\/migration-guide","title":"migration-guide","documented":false},{"source":"api","path":"release-notes\/overview","title":"overview","documented":false}],"docs_total":5,"gates":[],"related":[{"name":"claude-3-5-sonnet","slug":"claude-3-5-sonnet","description":"Switching to any Sonnet model name ending in [1m] now checks for 1M-context access, except four older Sonnet models"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/model\/claude-3-5-haiku","family_url":"https:\/\/changelogs.core-directive.com\/reference\/model.json"}