11 pages for fallbackmodel.

fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …oken, fallback_has_prefill_claim } = response.stop_details; const fallbackModel = "claude-opus-4-8"; const exactRetry: Anthropic.Beta.MessageCreateParamsNonStreaming = { ...request,… Set up Claude Code for your organization Claude Code CLI · in the page admin-setup …so developers can extend managed lists but not remove from them. For `fallbackModel`, `availableModels`, and [`modelPicker`](/docs/en/settings-reference#modelpicker), the managed value replaces lower… Configure your agent Claude Code CLI · in the page agent-sdk/configuration …under [Model aliases](/docs/en/model-config.md#model-aliases). Set `fallbackModel` (TypeScript) or `fallback_model` (Python) to name a backup model. When the primary is overloaded or unavailable, th… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …| `Record<string, string \| null>` | `{}` | Additional arguments | | `fallbackModel` | `string` | `undefined` | Model to use if the primary model fails. Accepts a comma-separated list. For the order a… CLI reference Claude Code CLI · in the page cli-reference …fallback-model-chains). To persist a chain across sessions, use the [`fallbackModel` setting](/docs/en/settings-reference#fallbackmodel), which this flag overrides… Deploy managed settings Claude Code CLI · in the page managed-settings …s merge key by key, and each key inside follows these same rules * **`fallbackModel`**: the later chain replaces the earlier one whole * **[`extraKnownMarketplaces`](/docs/en/settings-reference#extrak… Model configuration Claude Code CLI · in the page model-config …back-model sonnet,haiku ``` To persist a chain across sessions, set `fallbackModel` in [settings](/docs/en/settings.md) as an array: ```json theme={null} { "fallbackModel": ["claude-sonnet-5", "cl… Claude Code settings Claude Code CLI · in the page settings …tes and de-duplicates arrays and deep-merges objects. A later file's `fallbackModel` chain replaces an earlier one instead of merging with it, and a later file's [`extraKnownMarketplaces`](#extraknown… All settings Claude Code CLI · in the page settings-reference …a repository or an organization | Plugins and skills | Any file | | [`fallbackModel`](#fallbackmodel) | Name [backup models](/docs/en/model-config.md#fallback-model-chains) for when the primary is ove… Week 24 · June 8–12, 2026 Claude Code CLI · in the page whats-new/2026-w24 …bug-your-config.md#test-against-a-clean-configuration) Other wins [`fallbackModel`](/docs/en/model-config#fallback-model-chains) configures up to three fallback models tried in order when the primar… What's new Claude Code CLI · in the page whats-new/index …ude Code with all customizations disabled for troubleshooting; and **`fallbackModel`** configures up to three fallback models tried in order. [Read the Week 24 digest →](/docs/en/whats-new/2026-w24.m…