Claude Fable 5 vs Claude Opus 5.5: API pricing
As of Oct 14, 2026, Claude Fable 5 costs $10.00 input / $50.00 output per million tokens from Anthropic, and Claude Opus 5.5 costs $4.00 / $20.00 from Anthropic. For 10M input and 2M output tokens a month, Claude Fable 5 comes to $200.00 and Claude Opus 5.5 to $80.00, so Claude Opus 5.5 is 60% cheaper than Claude Fable 5. On LMArena, Claude Opus 5.5 scores higher, 1516 against 1491.
Your monthly cost at the official price
Claude Fable 5: $200.00
Claude Opus 5.5: $80.00cheaper
| Detail |  Claude Fable 5 | Claude Opus 5.5 |
|---|---|---|
| Maker | Anthropic | Anthropic |
| Official input / output | $10.00 / $50.00per million tokens | $4.00 / $20.00per million tokens |
| Cached input | $1.00 | $0.20 |
| Cheapest seller | $10.00 / $50.00Amazon Bedrock Converse | $4.00 / $20.00Amazon Bedrock Converse |
| Sellers | 7 | 6 |
| Context | 1M | 1M |
| LMArena overall | 1491 · #10 | 1516 · #2 |
| LMArena coding | 1518 · #11 | 1543 · #2 |
| Features |
Every seller's price: Claude Fable 5 · Claude Opus 5.5
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Prices in USD from LiteLLM and models.dev, checked daily; arena scores from LMArena (CC BY 4.0). Confirm on the seller's pricing page before you rely on a number.