29 pages for claude-sonnet-5-5.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…ed | April 14, 2026 | June 15, 2026 | | claude-sonnet-5-5 | Active | N/A | Not sooner than September 28, 2027 | | claude-sonnet-5…
advisor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/advisor-tool
…claude-opus-4-7) Claude Opus 4.6 (claude-opus-4-6) Claude Sonnet 5.5 (claude-sonnet-5-5) Claude Sonnet 5 (claude-sonnet-5) Claude Sonnet 4.6 (claude-sonnet-4-6) | | Claude Sonnet 4.6 (claude-sonnet-4-…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…- claude-mythos-5 - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-opus-4-8 supportedPlatforms: Claude API: ga Claude Platform on AWS:…
code-execution-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/code-execution-tool
…e-opus-4-7 - claude-opus-4-6 - claude-opus-4-5-20251101 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 - claude-sonnet-4-5-20250929 - claude-haiku-4-5-20251001…
computer-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/computer-use-tool
…- claude-mythos-5 - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-opus-4-8 supportedPlatforms: Claude API: ga Claude Platform on AWS:…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…e-opus-4-7 - claude-opus-4-6 - claude-opus-4-5-20251101 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 - claude-sonnet-4-5-20250929 supportedPlatforms: Claude…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…ex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Sonnet 5.5 (claude-sonnet-5-5) | `tool_search_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Opus 4.8 (claude-opus…
claude-in-amazon-bedrock
Claude Developer Platform · in the page
build-with-claude/claude-in-amazon-bedrock
…| `anthropic.claude-sonnet-5-5` | [See Access](https://platform.claude.com/docs/en/build-with-claude/claude-in-amazon-bedrock#access) | | C…
claude-in-microsoft-foundry
Claude Developer Platform · in the page
build-with-claude/claude-in-microsoft-foundry
…nnet 5.5 | `claude-sonnet-5-5` | ✓ | ✓ | | Claude Sonnet 5…
claude-on-vertex-ai
Claude Developer Platform · in the page
build-with-claude/claude-on-vertex-ai
…| `claude-sonnet-5-5` | | Claude Sonnet 5…
claude-platform-on-aws
Claude Developer Platform · in the page
build-with-claude/claude-platform-on-aws
…| | Claude Opus 4.5 | `claude-opus-4-5` | | Claude Sonnet 5.5 | `claude-sonnet-5-5` | | Claude Sonnet 5 | `claude-sonnet-5` | | Claude Sonnet 4.6 | `claude-sonnet-4-6` | | Claude Sonnet 4.5 |…
compaction-background
Claude Developer Platform · in the page
build-with-claude/compaction-background
…- claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 supportedPlatforms: Claude API: beta Claude Platform on…
compaction-keep-recent-turns
Claude Developer Platform · in the page
build-with-claude/compaction-keep-recent-turns
…- claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 supportedPlatforms: Claude API: beta Claude Platform on…
compaction-on-demand
Claude Developer Platform · in the page
build-with-claude/compaction-on-demand
…- claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 supportedPlatforms: Claude API: beta Claude Platform on…
compaction-thinking-blocks
Claude Developer Platform · in the page
build-with-claude/compaction-thinking-blocks
…- claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 supportedPlatforms: Claude API: beta Claude Platform on…
compaction-threshold
Claude Developer Platform · in the page
build-with-claude/compaction-threshold
…- claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 supportedPlatforms: Claude API: beta Claude Platform on…
effort
Claude Developer Platform · in the page
build-with-claude/effort
…e-opus-4-7 - claude-opus-4-6 - claude-opus-4-5-20251101 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 supportedPlatforms: Claude API: ga Claude Platform on AW…
claude-prompting-best-practices
Claude Developer Platform · in the page
build-with-claude/prompt-engineering/claude-prompting-best-practices
…orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5) | Differences from Claude Sonnet 5: effort calibration, initiative and scope, running without up-front thinking…
structured-outputs
Claude Developer Platform · in the page
build-with-claude/structured-outputs
…- claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 - claude-sonnet-4-5-20250929 - claude-opus-4-5-20251101…
task-budgets
Claude Developer Platform · in the page
build-with-claude/task-budgets
…- claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-sonnet-5-5 --- Task budgets let you tell Claude how many tokens it has for a full agentic loop, including thinking, tool c…
thinking
Claude Developer Platform · in the page
build-with-claude/thinking
…orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5#running-without-up-front-thinking) for prompting guidance. Claude Fable 5.1, Claude Mythos 5.1, Claude Fable 5,…
API usage primer for Claude
Claude Developer Platform · in the page
claude_api_primer
…s model: Claude Opus 5: claude-opus-5 Smart model: Claude Sonnet 5.5: claude-sonnet-5-5 Previous Sonnet model: Claude Sonnet 5: claude-sonnet-5 For fast, cost-effective tasks: Claude Haiku 4.5: claude…
home
Claude Developer Platform · in the page
home
….5](https://platform.claude.com/docs/en/models/sonnet-5-5/overview) (`claude-sonnet-5-5`) — New — *The best combination of speed and intelligence* — Everyday tasks · Writing · Cost-efficient * [Cl…
intro
Claude Developer Platform · in the page
intro
….5](https://platform.claude.com/docs/en/models/sonnet-5-5/overview) (`claude-sonnet-5-5`) — New — *The best combination of speed and intelligence* — Everyday tasks · Writing · Cost-efficient * [Claude…
Models overview
Claude Developer Platform · in the page
models/overview
…5-5` | `claude-sonnet-5-5` | `claude-haiku-4-5-20251001`…
overview
Claude Developer Platform · in the page
release-notes/overview
…ip> ### 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…
overview
Claude Developer Platform · in the page
release-notes/system-prompts/overview
…s), so those models have one entry. <CardGroup cols={3}> <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…
Claude Code changelog
Claude Code CLI · in the page
changelog
….284" description="September 28, 2026"> * Added Claude Sonnet 5.5 (`claude-sonnet-5-5`), now the default Sonnet model on the Anthropic API — 1M context, $2/$10 per Mtok with \$0.20/Mtok cache reads…
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…