Claude Haiku 4.5 vs Claude Sonnet 4.6
Claude Haiku 4.5 leads in 3 of 8 categories
Arena ELO
Claude Sonnet 4.6
Cheaper
Claude Haiku 4.5
Faster
Claude Haiku 4.5
Detailed Comparison
| Category | Claude Haiku 4.5 | Claude Sonnet 4.6 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context Window | 200K | 1M WIN |
| Input Price ($/1M) | $0.8 WIN | $3 |
| Output Price ($/1M) | $4 WIN | $15 |
| Arena ELO | 1290 | 1440 WIN |
| Coding | unknown | 79.6% SWE-bench |
| Reasoning | unknown | 72.5% OSWorld |
| Speed (tokens/sec) | ~120 t/s WIN | ~80 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Haiku 4.5 or Claude Sonnet 4.6?
Claude Haiku 4.5 is approximately 73% cheaper than Claude Sonnet 4.6 per million tokens.
Which is better for coding, Claude Haiku 4.5 or Claude Sonnet 4.6?
Claude Haiku 4.5 scores unknown on coding benchmarks, while Claude Sonnet 4.6 scores 79.6% SWE-bench.
Which has a larger context window?
Claude Haiku 4.5 supports 200K context, while Claude Sonnet 4.6 supports 1M.
Is Claude Haiku 4.5 or Claude Sonnet 4.6 open source?
Claude Haiku 4.5 is proprietary. Claude Sonnet 4.6 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Sonnet 4.6 ranks higher with ELO 1440 vs 1290.
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