AI Rate CardClaude Fable 5.1 vs Claude Opus 5.5: API price and specs
Claude Opus 5.5 is 60% cheaper than Claude Fable 5.1 on input price.
Claude Opus 5.5 is 60% cheaper than Claude Fable 5.1 on output price.
Claude Opus 5.5 is 60% cheaper than Claude Fable 5.1 on a 1M-in / 200k-out workload.
| Field | Claude Fable 5.1 | Claude Opus 5.5 |
|---|---|---|
| Lowest input, per 1M | $5.00 +150% | $2.00 |
| Median input, per 1M | $10.00 +150% | $4.00 |
| Lowest output, per 1M | $25.00 +150% | $10.00 |
| Median output, per 1M | $50.00 +150% | $20.00 |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $10.00 +150% | $4.00 |
| Context | 1M | 1M |
| Max output | 128K | 128K |
| Providers | 30 +6.2% | 32 |
| Regions | EU, GLOBAL, US | APAC, AU, EU, GLOBAL, JP, US |
| Accepts | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | iteracompute | iteracompute |
Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.
Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.
Providers selling both
302ai, abacus, aihubmix, aiml, amazon-bedrock, anthropic, azure, azure-cognitive-services, cometapi, digitalocean, edenai, fastrouter, github-copilot, google-vertex, google-vertex-anthropic, impossibl, iteracompute, jiekou, kilo, meganova, nearai, ofox, opencode, openrouter, perplexity-agent, requesty, trustedrouter, vercel, zenmux
Frequently asked questions
Which is cheaper, Claude Fable 5.1 or Claude Opus 5.5?
Claude Opus 5.5 is 60% cheaper than Claude Fable 5.1 on input price. Claude Opus 5.5 is 60% cheaper than Claude Fable 5.1 on output price. Claude Opus 5.5 is 60% cheaper than Claude Fable 5.1 on a 1M-in / 200k-out workload.
Which has the larger context, Claude Fable 5.1 or Claude Opus 5.5?
Claude Fable 5.1: 1M tokens; Claude Opus 5.5: 1M tokens.
Where can I use both Claude Fable 5.1 and Claude Opus 5.5?
302ai, abacus, aihubmix, aiml, amazon-bedrock, anthropic, azure, azure-cognitive-services, cometapi, digitalocean, edenai, fastrouter, github-copilot, google-vertex, google-vertex-anthropic, impossibl, iteracompute, jiekou, kilo, meganova, nearai, ofox, opencode, openrouter, perplexity-agent, requesty, trustedrouter, vercel, zenmux