Models, all 28.

claude-3-5-haiku ◇ 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.never mined ·never mined claude-3-5-sonnet ◇ Switching to any Sonnet model name ending in [1m] now checks for 1M-context access, except four older Sonnet modelsnever mined ·never mined claude-3-7-sonnet ◇ Switching to any Sonnet model name ending in [1m] now checks for 1M-context access, except four older Sonnet modelsnever mined ·never mined claude-3-opus ◇ Claude Code now keeps a list of the older Claude 3 models and a check for whether the current model is outside itnever mined ·never mined claude-code-mods ◇ Built-in hooks module IDs starting with 'mods/' now resolve to a vendor claude-code-mods directorynever mined ·never mined claude-fable-5 ◇ Opus 5 is now the default Opus, with a 1M-context option in the model picker.never mined ·never mined claude-fable-5-1 ◇ A claude-fable-5-1 model id is recognized and becomes the fable family default, with UI text updated to Fable 5.1.never mined ·never mined claude-haiku-4-5 ◇ The compiled-in seed catalog used before the first fetch lists claude-opus-5, claude-sonnet-5 and claude-haiku-4-5.never mined ·never mined claude-haiku-4-5-20251001 ◇ In the built-in model list, Opus 5 moves to the overflow section and loses its quick-select flag and descriptionnever mined ·never mined claude-haiku-5-5 ◇ Claude Code now recognises claude-haiku-5-5, with a 1M-token context window, its own pricing and a fallback to claude-haiku-4-5never mined ·never mined claude-md-and-agents-md ◇ CLAUDE.md/AGENTS.md loading modes renamed and given a fourth 'managed-only' optionnever mined ·never mined claude-md-or-agents-md ◇ CLAUDE.md/AGENTS.md loading modes renamed and given a fourth 'managed-only' optionnever mined ·never mined claude-mythos-5 ◇ The model picker now colours Fable 5, Mythos 5 and Sonnet 5 in its list.never mined ·never mined claude-mythos-5-1 ◇ A claude-fable-5-1 model id is recognized and becomes the fable family default, with UI text updated to Fable 5.1.never mined ·never mined claude-mythos-preview ◇ Long-context eligibility is now looked up per model, and DISABLE_COMPACT turns off compaction.never mined ·never mined claude-opus-4-5 ◇ Writing a file you have not read is now decided locally by model and permissions, not a server flag.never mined ·never mined claude-opus-4-6 ◇ Opus 5 is now the default Opus, with a 1M-context option in the model picker.never mined ·never mined claude-opus-4-7 ◇ Opus 5 is now the default Opus, with a 1M-context option in the model picker.never mined ·never mined claude-opus-4-8 ◇ Opus 5 is now the default Opus, with a 1M-context option in the model picker.never mined ·never mined claude-opus-5 ◇ Opus 5 is now the default Opus, with a 1M-context option in the model picker.never mined ·never mined claude-opus-5-5 ◇ New Opus 5.5 model added with a 1M-token context window and its own pricing tiernever mined ·never mined claude-sonnet-4-0 ◇ Switching to any Sonnet model name ending in [1m] now checks for 1M-context access, except four older Sonnet modelsnever mined ·never mined claude-sonnet-4-5 ◇ Writing a file you have not read is now decided locally by model and permissions, not a server flag.never mined ·never mined claude-sonnet-4-5-20250929 ◇ The dated first-party API id of Sonnet 4.5 (claude-sonnet-4-5 in Claude Code's model table), also used for the anthropic_aws, anthropic_google_cloud and gateway providers. On the first-party provider, when certain account checks pass, a startup migration rewrites a user-settings model of claude-sonnet-4-5-20250929 or sonnet-4-5-20250929 (with or without [1m]) to sonnet or sonnet[1m].never mined ·never mined claude-sonnet-4-6 ◇ Context limits for claude-sonnet-5 are 500,000 on two surfaces and a million elsewhere.never mined ·never mined claude-sonnet-5 ◇ Sonnet 5's default context window is now a full million tokens, up from 967,000.never mined ·never mined claude-sonnet-5-5 ◇ Sonnet 5.5 (claude-sonnet-5-5) is now in the model list and is what sonnet picks when using Anthropic directlynever mined ·never mined claude-tag-plugins ◇ Setting CLAUDE_CODE_CCR_SURFACE=tag adds a hidden claude-tag-plugins marketplace to plugin search and download.never mined ·never mined