SPECS
| context window | 1,000,000 tokens |
|---|---|
| max output | 128,000 tokens |
| price in / out | $10 / $50 per 1M tokens |
| weights | closed |
openrouter.ai/api/v1/models (as of 2026-11-12)
Kindmodel
Access—
Pricing—
Free tier—
Caps3
PUBLISHED BENCHMARKS
| frontierMathT4 | 87.8 |
|---|---|
| aaIndex | 49.6 |
| aaCodingIndex | 76.5 |
| aaAgenticIndex | 50.7 |
Anthropic published · 2026
MACHINE-READABLE
GET /api/v1/resources/claude-fable-5Open JSON ↗