Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
Details
| Field | Value |
|---|---|
| id | anthropic/claude-fable-5 |
| family | claude-fable |
| modality | text+image+pdf->text |
| context_length | 1000000 |
| max_output_tokens | 128000 |
| knowledge_cutoff | 2026-01-31 |
| release_date | 2026-06-09 |
| is_open_weights | no |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | yes |
| input_modalities | text, image, pdf |
| output_modalities | text |