Claude Opus 4.6 vs Claude Sonnet 4.6
Claude Sonnet 4.6 leads in 3 of 8 categories
Arena ELO
Claude Opus 4.6
Cheaper
Claude Sonnet 4.6
Faster
Claude Sonnet 4.6
Detailed Comparison
| Category | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context Window | 1M | 1M |
| Input Price ($/1M) | $5 | $3 WIN |
| Output Price ($/1M) | $25 | $15 WIN |
| Arena ELO | 1549 WIN | 1440 |
| Coding | 80.8% SWE-bench | 79.6% SWE-bench |
| Reasoning | 65.4% Terminal-Bench | 72.5% OSWorld |
| Speed (tokens/sec) | ~40 t/s | ~80 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Opus 4.6 or Claude Sonnet 4.6?
Claude Sonnet 4.6 is approximately 40% cheaper than Claude Opus 4.6 per million tokens.
Which is better for coding, Claude Opus 4.6 or Claude Sonnet 4.6?
Claude Opus 4.6 scores 80.8% SWE-bench on coding benchmarks, while Claude Sonnet 4.6 scores 79.6% SWE-bench.
Which has a larger context window?
Claude Opus 4.6 supports 1M context, while Claude Sonnet 4.6 supports 1M.
Is Claude Opus 4.6 or Claude Sonnet 4.6 open source?
Claude Opus 4.6 is proprietary. Claude Sonnet 4.6 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Opus 4.6 ranks higher with ELO 1549 vs 1440.
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