Claude Opus 4.1 vs Claude 4.1 Opus Thinking (32K)
Claude Opus 4.1 is cheaper on output tokens. Choose Claude Opus 4.1 or Claude 4.1 Opus Thinking (32K) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 4.1 | Claude 4.1 Opus Thinking (32K) |
|---|---|---|
| Provider | Anthropic | NanoGPT |
| Input / 1M tokens | $15.00 | $14.99 |
| Output / 1M tokens | $75.00 | $75.00 |
| Context window | 200K | 200K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Aug 2025 | May 2025 |
| LMArena (Chatbot Arena) Elo score | 1419 | — |
| LMArena WebDev Elo score | 1390 | — |
| GPQA Diamond score | 77.3 | — |
| FrontierMath score | 7.2 | — |
| Epoch Capabilities Index score | 144 | — |
| LiveBench score | — | 61.4 |
FAQ
Is Claude Opus 4.1 or Claude 4.1 Opus Thinking (32K) cheaper?
Claude Opus 4.1 is cheaper on output tokens ($75.00 vs $75.00 per 1M).
Which has the larger context window, Claude Opus 4.1 or Claude 4.1 Opus Thinking (32K)?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.