Claude 3 HaikuvsClaude 3.7 Sonnet
Claude 3 Haiku | Claude 3.7 Sonnet | |
|---|---|---|
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 10% | 49%Best |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 62.3% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 33.3% | 68%Best |
| Overview | ||
| Company | Anthropic | Anthropic |
| Release date | Mar 4 2024 | Feb 24 2025 |
| Access | Proprietary | Proprietary |
Which is better: Claude 3 Haiku or Claude 3.7 Sonnet?
Claude 3.7 Sonnet leads Claude 3 Haiku on 2 of the 2 benchmarks they both report (BullshitBench v2, GPQA Diamond). Claude 3 Haiku shipped 357 days before Claude 3.7 Sonnet, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On BullshitBench v2, Claude 3.7 Sonnet leads at 49% vs Claude 3 Haiku at 10%. On GPQA Diamond, Claude 3.7 Sonnet leads at 68% vs Claude 3 Haiku at 33.3%.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.
Claude 3.7 Sonnet leads on GPQA Diamond — Claude 3 Haiku 33.3% vs Claude 3.7 Sonnet 68%.
Other comparisons
Claude 3 HaikuvsGPT-5.6 SolClaude 3.7 SonnetvsGPT-5.6 SolClaude 3 HaikuvsGemini 3.6 FlashClaude 3.7 SonnetvsGemini 3.6 FlashClaude 3 HaikuvsMuse Spark 1.2Claude 3.7 SonnetvsMuse Spark 1.2Claude 3 HaikuvsGrok 4.5Claude 3.7 SonnetvsGrok 4.5Claude 3 HaikuvsDeepSeek-V4-Flash-0731Claude 3.7 SonnetvsDeepSeek-V4-Flash-0731Claude 3 HaikuvsMistral Medium 3.5Claude 3.7 SonnetvsMistral Medium 3.5