Claude Opus 4.6 vs o3
Claude Opus 4.6 leads in 5 of 8 categories
Arena ELO
Claude Opus 4.6
Cheaper
Claude Opus 4.6
Faster
Claude Opus 4.6
Detailed Comparison
| Category | Claude Opus 4.6 | o3 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 1M WIN | 200K |
| Input Price ($/1M) | $5 WIN | $10 |
| Output Price ($/1M) | $25 WIN | $40 |
| Arena ELO | 1549 WIN | 1350 |
| Coding | 80.8% SWE-bench | unknown |
| Reasoning | 65.4% Terminal-Bench | unknown |
| Speed (tokens/sec) | ~40 t/s WIN | ~30 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Opus 4.6 or o3?
Claude Opus 4.6 is approximately 40% cheaper than o3 per million tokens.
Which is better for coding, Claude Opus 4.6 or o3?
Claude Opus 4.6 scores 80.8% SWE-bench on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
Claude Opus 4.6 supports 1M context, while o3 supports 200K.
Is Claude Opus 4.6 or o3 open source?
Claude Opus 4.6 is proprietary. o3 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Opus 4.6 ranks higher with ELO 1549 vs 1350.
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