## Compatibility
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22title: Task budgets
33url: https://platform.claude.com/docs/en/build-with-claude/task-budgets
44description: Give Claude an advisory token budget for the full agentic loop to help the model self-regulate on long agentic tasks.
5featureMetadata:
6 status: beta
7 betaHeader: task-budgets-2026-03-13
8 supportedModels:
9 - claude-fable-5-1
10 - claude-mythos-5-1
11 - claude-fable-5
12 - claude-mythos-5
13 - claude-opus-5
14 - claude-opus-4-8
15 - claude-opus-4-7
516---
6
7## Compatibility
8- Status: Beta
9- [Beta header](https://platform.claude.com/docs/en/api/beta-headers): `task-budgets-2026-03-13`
10- Supported models: `claude-fable-5-1`, `claude-mythos-5-1`, `claude-fable-5`, `claude-mythos-5`, `claude-opus-5`, `claude-opus-4-8`, `claude-opus-4-7`
1117
1218Task budgets let you tell Claude how many tokens it has for a full agentic loop, including thinking, tool calls, tool results, and output. The model sees a running countdown and uses it to prioritize work and finish gracefully as the budget is consumed.
1319