Claude Opus 4.1 vs Anthropic: Claude Opus 4.6 (Fast)
Both have similar output pricing, while Anthropic: Claude Opus 4.6 (Fast) offers a larger context window. Choose Claude Opus 4.1 or Anthropic: Claude Opus 4.6 (Fast) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 4.1 | Anthropic: Claude Opus 4.6 (Fast) |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input / 1M tokens | — | $30.00 |
| Output / 1M tokens | — | $150.00 |
| Context window | — | 1M |
| Parameters | — | — |
| Open weights | No | — |
| Released | Aug 2025 | — |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.