Claude Fable 5.1 API pricing (Anthropic)
$10.0 input / $50.0 output per 1M tokens. Context —; our tier 4; verified; last checked 2026-10-13.
| Input $/1M | Output $/1M | Context | Tier | Verified | Checked |
|---|---|---|---|---|---|
| $10.0 | $50.0 | — | 4 | verified | 2026-10-13 |
Official source: https://www.anthropic.com/pricing. Provider page: Anthropic API pricing.
Note: Context 'up to 1M, varies by model'
Example monthly bills by job
| Job | Example volume | This model |
|---|---|---|
| Simple Q&A / chat | 10M in / 2M out | $200.00 |
| Coding | 20M in / 5M out | $450.00 |
| Long documents | 100M in / 2M out | Does not qualify (needs tier ≥2, context ≥500,000) |
| Hard reasoning | 10M in / 10M out | $600.00 |
Cost only, not quality. “Tier” is our rough capability judgment (1 = light, 4 = frontier), not a benchmark. Standard pay-as-you-go text prices only.
See every model on the full price table, all models, or see what you'd save switching from Claude Fable 5.1 in the savings calculator.