174 pages for claude-sonnet-5-5.

workflow-runs Claude Developer Platform · in the page managed-agents/workflow-runs …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… Models overview Claude Developer Platform · in the page models/overview …5-5` | `claude-sonnet-5-5` | `claude-haiku-5-5`… migration-guide Claude Developer Platform · in the page models/sonnet-5-5/migration-guide …igrate your code for you ```text /claude-api migrate this project to claude-sonnet-5-5 ``` Claude Sonnet 5.5 has the same prices as Claude Sonnet 5, except for prompt cache reads, which cost $0.10 U… overview Claude Developer Platform · in the page models/sonnet-5-5/overview …28, 2026. The best combination of speed and intelligence Model ID: `claude-sonnet-5-5` Context window: 1M tokens · Max output: 128K tokens · Input pricing: $2 / MTok · Output pricing: $10 / MTok [… whats-new-sonnet-5-5 Claude Developer Platform · in the page models/sonnet-5-5/whats-new-sonnet-5-5 …--------------------------------------------- | | Claude Sonnet 5.5 | claude-sonnet-5-5 | The best combination of speed and intelligence | [Adaptive thinking](https://platform.claude.com/docs/en/buil… overview Claude Developer Platform · in the page release-notes/overview …s). ### September 28, 2026 * We’ve launched **Claude Sonnet 5.5** (`claude-sonnet-5-5`). It’s available on the Claude API, [Claude in Amazon Bedrock](https://platform.claude.com/docs/en/build-with-c… claude-fable-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5 …del strings 'claude-fable-5-1', 'claude-fable-5', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. The person is able to switch models mid-conversation, so previous messages claiming to… claude-fable-5-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5-1 …Haiku 5.5, with model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. The person is able to switch models mid-conversation, so previous messages claiming to… claude-fable-5-2 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5-2 …Haiku 5.5, with model strings 'claude-fable-5-2', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Myt… claude-haiku-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-4-5 …Haiku 5.5, with model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Claude Haiku 4.5 (this model, 'claude-haiku-4-5-20251001') is from an earlier generati… claude-haiku-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-5-5 …Haiku 5.5, with model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Myt… claude-opus-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-6 …hey use the API model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Claude Opus 4.6 (this model, 'claude-opus-4-6') is from an earlier generation and rema… claude-opus-4-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-7 …hey use the API model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Claude Opus 4.7 (this model, 'claude-opus-4-7') is from an earlier generation and rema… claude-opus-4-8 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-8 …hey use the API model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Claude Opus 4.8 (the currently selected model, 'claude-opus-4-8') is from the generati… claude-opus-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5 …odel strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-opus-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Myt… claude-opus-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5-5 …hey use the API model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Myt… claude-sonnet-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-6 …hey use the API model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-5-5'. Claude Sonnet 4.6 (this model, 'claude-sonnet-4-6') is from an earlier generation and… claude-sonnet-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5 …Haiku 5.5, with model strings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', 'claude-sonnet-5', and 'claude-haiku-5-5'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-clas… overview Claude Developer Platform · in the page release-notes/system-prompts/overview …ocs/en/release-notes/system-prompts/claude-haiku-5-5" /> <Card id="claude-sonnet-5-5" title="Claude Sonnet 5.5" icon="file" href="https://platform.claude.com/docs/en/release-notes/system-prompts/cl… overview Claude Developer Platform · in the page resources/overview …5.5 System Card" icon="file" href="https://www.anthropic.com/document/claude-sonnet-5-5-system-card"> Detailed documentation of Claude Sonnet 5.5. </Card> <Card title="Claude Opus 5.5 System… handle-streaming-refusals Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/handle-streaming-refusals …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …//code.claude.com/docs/en/model-config.md#extended-context), such as `claude-sonnet-5-5` or `claude-opus-5-5`. For a model that reaches 1M only through its `[1m]` variant, append the suffix to the mod… Claude Code gateway compatibility guide Claude Code CLI · in the page llm-gateway-protocol …er shows only the alias row. For example, while `sonnet` resolves to `claude-sonnet-5-5`, a discovered `claude-sonnet-5-5` collapses into the `sonnet` row, and a discovered `claude-sonnet-5` still get… How Claude Code uses prompt caching Claude Code CLI · in the page prompt-caching …ession on `claude-sonnet-5` keeps caching while `sonnet` resolves to `claude-sonnet-5-5`. To disable caching for that model, set `DISABLE_PROMPT_CACHING`. To set caching policy across an organization…