AI Rate CardClaude Opus 4.1 (latest) vs Claude Opus 4.5 (latest): API price and specs
Claude Opus 4.5 (latest) is 67% cheaper than Claude Opus 4.1 (latest) on input price.
Claude Opus 4.5 (latest) is 67% cheaper than Claude Opus 4.1 (latest) on output price.
Claude Opus 4.5 (latest) is 67% cheaper than Claude Opus 4.1 (latest) on a 1M-in / 200k-out workload.
| Field | Claude Opus 4.1 (latest) | Claude Opus 4.5 (latest) |
|---|---|---|
| Lowest input, per 1M | $7.50 +200% | $2.50 |
| Median input, per 1M | $15.00 +200% | $5.00 |
| Lowest output, per 1M | $37.50 +200% | $12.50 |
| Median output, per 1M | $75.00 +200% | $25.00 |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $15.00 +200% | $5.00 |
| Context | 200K | 200K |
| Max output | 64K +2.3% | 66K |
| Providers | 17 +43.3% | 30 |
| Regions | GLOBAL, US | EU, GLOBAL, 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 | openrouter | openrouter |
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
aihubmix, aiml, amazon-bedrock, anthropic, azure, azure-cognitive-services, edenai, fastrouter, helicone, jiekou, kilo, opencode, openrouter, poe, requesty, trustedrouter, zenmux
Frequently asked questions
Which is cheaper, Claude Opus 4.1 (latest) or Claude Opus 4.5 (latest)?
Claude Opus 4.5 (latest) is 67% cheaper than Claude Opus 4.1 (latest) on input price. Claude Opus 4.5 (latest) is 67% cheaper than Claude Opus 4.1 (latest) on output price. Claude Opus 4.5 (latest) is 67% cheaper than Claude Opus 4.1 (latest) on a 1M-in / 200k-out workload.
Which has the larger context, Claude Opus 4.1 (latest) or Claude Opus 4.5 (latest)?
Claude Opus 4.1 (latest): 200K tokens; Claude Opus 4.5 (latest): 200K tokens.
Where can I use both Claude Opus 4.1 (latest) and Claude Opus 4.5 (latest)?
aihubmix, aiml, amazon-bedrock, anthropic, azure, azure-cognitive-services, edenai, fastrouter, helicone, jiekou, kilo, opencode, openrouter, poe, requesty, trustedrouter, zenmux