Fable Ai · v5 · 2× · vu le 14 août 2026
Claude Fable 5 is a Frontier language model developed by Anthropic, released on June 9, 2026 alongside Claude Mythos 5. It is the first publicly available model in the new "Mythos-class," which according to Anthropic is positioned above the previous Opus model line and is characterized by particularly extended autonomous work capabilities as well as peak performance in software development, knowledge work, visual analysis, and scientific research. The model supports text, image, and file inputs with a 1-million-Token context window and is available via the Claude API, Claude apps, and major cloud platforms (AWS, Google Cloud, Microsoft Foundry). For security reasons, requests on sensitive topics such as cybersecurity are automatically
Fonctionnalités
| Key Benchmark (%) | 64.9 points on Artificial Analysis Intelligence Index (#1 rank); 53% on Humanity's Last Exam |
| Context Window (Tokens) | 1,000,000 tokens (up to 128,000 output tokens) |
| License | Proprietary (closed-source Anthropic model) |
| Multimodality | Text, image, and file input (vision), text output |
| Platform | Claude API, Claude.ai/Apps, Claude Code, AWS Bedrock, Google Cloud Vertex AI, Microsoft Foundry |
| Price per 1M Tokens | $10 (input) / $50 (output) |
| Release Date | June 9, 2026 |