Claude Sonnet 4.6 vs o3
Claude Sonnet 4.6 leads in 5 of 8 categories
Arena ELO
Claude Sonnet 4.6
Cheaper
Claude Sonnet 4.6
Faster
Claude Sonnet 4.6
Detailed Comparison
| Category | Claude Sonnet 4.6 | o3 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 1M WIN | 200K |
| Input Price ($/1M) | $3 WIN | $10 |
| Output Price ($/1M) | $15 WIN | $40 |
| Arena ELO | 1440 WIN | 1350 |
| Coding | 79.6% SWE-bench | unknown |
| Reasoning | 72.5% OSWorld | unknown |
| Speed (tokens/sec) | ~80 t/s WIN | ~30 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Sonnet 4.6 or o3?
Claude Sonnet 4.6 is approximately 64% cheaper than o3 per million tokens.
Which is better for coding, Claude Sonnet 4.6 or o3?
Claude Sonnet 4.6 scores 79.6% SWE-bench on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
Claude Sonnet 4.6 supports 1M context, while o3 supports 200K.
Is Claude Sonnet 4.6 or o3 open source?
Claude Sonnet 4.6 is proprietary. o3 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Sonnet 4.6 ranks higher with ELO 1440 vs 1350.
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