11 pages for anthropic_default_sonnet_model.

Claude Code on Amazon Bedrock Claude Code CLI · in the page amazon-bedrock …the `opus` alias on Amazon Bedrock resolves to Opus 5.5, and without `ANTHROPIC_DEFAULT_SONNET_MODEL`, the `sonnet` alias resolves to Sonnet 4.5. This example pins each alias to a specific version: `… Claude Code changelog Claude Code CLI · in the page changelog …no limit * Changed the client-side auto mode classifier to ignore an `ANTHROPIC_DEFAULT_SONNET_MODEL` pin that names Claude Sonnet 5.5 or Opus 5.5 and use Claude Sonnet 5 instead * Changed `claude pro… Claude Code on Claude Platform on AWS Claude Code CLI · in the page claude-platform-on-aws …de-fable-5 export ANTHROPIC_DEFAULT_OPUS_MODEL=claude-opus-4-8 export ANTHROPIC_DEFAULT_SONNET_MODEL=claude-sonnet-5 export ANTHROPIC_DEFAULT_HAIKU_MODEL=claude-haiku-4-5 ``` For the full list of mod… Scan your codebase for vulnerabilities Claude Code CLI · in the page claude-security …n/model-config.md#pin-models-for-third-party-deployments), including `ANTHROPIC_DEFAULT_SONNET_MODEL`. [Automatic model fallback](/docs/en/model-config.md#automatic-model-fallback) re-runs a request… Environment variables Claude Code CLI · in the page env-vars …| | `ANTHROPIC_DEFAULT_SONNET_MODEL` | Model ID that the `sonnet` alias resolves to, and that `opusplan` uses wh… Claude Code on Google Cloud's Agent Platform Claude Code CLI · in the page google-vertex-ai …s on Google Cloud's Agent Platform resolves to Opus 5.5, and without `ANTHROPIC_DEFAULT_SONNET_MODEL`, the `sonnet` alias resolves to Sonnet 4.5. This example pins each alias to a specific version: `… Connect Claude Code to an LLM gateway Claude Code CLI · in the page llm-gateway-connect …act names. * **Model versions**: pin `ANTHROPIC_DEFAULT_OPUS_MODEL`, `ANTHROPIC_DEFAULT_SONNET_MODEL`, and `ANTHROPIC_DEFAULT_HAIKU_MODEL` as in [Pin model versions](/docs/en/google-vertex-ai.md#5-pin… Claude Code on Microsoft Foundry Claude Code CLI · in the page microsoft-foundry …e={null} export ANTHROPIC_DEFAULT_OPUS_MODEL='claude-opus-4-8' export ANTHROPIC_DEFAULT_SONNET_MODEL='claude-sonnet-5' export ANTHROPIC_DEFAULT_HAIKU_MODEL='claude-haiku-4-5' ``` Background tasks suc… Model configuration Claude Code CLI · in the page model-config …l model name explicitly or setting `ANTHROPIC_DEFAULT_OPUS_MODEL` or `ANTHROPIC_DEFAULT_SONNET_MODEL`. Earlier versions resolve these aliases to older models. For the version at which each alias chan… Choose a permission mode Claude Code CLI · in the page permission-modes …ck) to see which | | Runs on Claude Sonnet 4.6 | Sonnet 4.6 | | Has [`ANTHROPIC_DEFAULT_SONNET_MODEL`](/docs/en/model-config#environment-variables) set | Its value, or Sonnet 5 if its value is Claude… Enterprise deployment overview Claude Code CLI · in the page third-party-integrations …ing `ANTHROPIC_DEFAULT_FABLE_MODEL`, `ANTHROPIC_DEFAULT_OPUS_MODEL`, `ANTHROPIC_DEFAULT_SONNET_MODEL`, and `ANTHROPIC_DEFAULT_HAIKU_MODEL`. Without pinning, model aliases resolve to Claude Code's buil…