AI Rate CardClaude Opus 4.5 (latest) vs Grok 4.1 Fast (Reasoning): API price and specs
Grok 4.1 Fast (Reasoning) is 92% cheaper than Claude Opus 4.5 (latest) on input price.
Grok 4.1 Fast (Reasoning) is 96% cheaper than Claude Opus 4.5 (latest) on output price.
Grok 4.1 Fast (Reasoning) is 94% cheaper than Claude Opus 4.5 (latest) on a 1M-in / 200k-out workload.
Grok 4.1 Fast (Reasoning) has a 900% larger context than Claude Opus 4.5 (latest).
| Field | Claude Opus 4.5 (latest) | Grok 4.1 Fast (Reasoning) |
|---|---|---|
| Lowest input, per 1M | $2.50 +1215.8% | $0.19 |
| Median input, per 1M | $5.00 +2400% | $0.20 |
| Lowest output, per 1M | $12.50 +2531.6% | $0.47 |
| Median output, per 1M | $25.00 +4900% | $0.50 |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $5.00 +1654.4% | $0.28 |
| Context | 200K +90% | 2M |
| Max output | 66K +96.7% | 2M |
| Providers | 30 | 11 +63.3% |
| Regions | EU, GLOBAL, US | US |
| Accepts | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text | audio, image, pdf, text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | openrouter | jiekou |
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, aihubmix, aiml, azure, edenai, google-vertex, helicone, jiekou, requesty, trustedrouter, vercel
Frequently asked questions
Which is cheaper, Claude Opus 4.5 (latest) or Grok 4.1 Fast (Reasoning)?
Grok 4.1 Fast (Reasoning) is 92% cheaper than Claude Opus 4.5 (latest) on input price. Grok 4.1 Fast (Reasoning) is 96% cheaper than Claude Opus 4.5 (latest) on output price. Grok 4.1 Fast (Reasoning) is 94% cheaper than Claude Opus 4.5 (latest) on a 1M-in / 200k-out workload.
Which has the larger context, Claude Opus 4.5 (latest) or Grok 4.1 Fast (Reasoning)?
Claude Opus 4.5 (latest): 200K tokens; Grok 4.1 Fast (Reasoning): 2M tokens.
Where can I use both Claude Opus 4.5 (latest) and Grok 4.1 Fast (Reasoning)?
302ai, aihubmix, aiml, azure, edenai, google-vertex, helicone, jiekou, requesty, trustedrouter, vercel