GetAPIclaude-fable-5 API: billing and integration
Compare models, explore supported endpoints and check current pricing before integrating.
Model identifier
claude-fable-5 Model overview
Claude Fable 5 targets complex software engineering, knowledge work and visual analysis involving sustained reasoning and verification.
Tasks to evaluate
- Evaluate a cross-file defect using reproduction evidence and acceptance criteria.
- Check chart-based answers for extraction accuracy and source support.
Integration notes
The release names claude-fable-5 explicitly. Persistent memory and tool execution require application support; preserve task state and verify final outcomes.
Based on provider documentation, not a GetAPI execution test. Supported request fields and limits depend on the selected endpoint.
Official references: Anthropic — Claude Fable 5 and Claude Mythos 5 · Reviewed:
Source description
No model description was supplied. Use the declared endpoint and live model settings instead of assuming capabilities.
Provider: Anthropic
Declared endpoints
Endpoint definitions vary by model; a listed route does not imply support for every parameter or tool.
- openai ·
POST /v1/chat/completions
Billing and groups
Dynamic or tiered billing
Check the current model, group and billing unit before sending a request.
Enabled groups in snapshot: claude-max, claude-krio
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Before your first request
- Confirm the exact model identifier and supported endpoint.
- Create a server-side API key with the required permissions and quota.
- Match the model endpoint type to a compatible request protocol before sending traffic.
A model listed by the gateway is not automatically compatible with Codex. Use its declared endpoint as a starting point, then confirm request fields and billing before testing.