Claude 3 Sonnet vs Claude 3.5 Sonnet
Anthropic Claude 3 Sonnet | Anthropic Claude 3.5 Sonnet | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Anthropic |
| Release date | Mar 4 2024 | Jun 20 2024 |
| Access | Proprietary | Proprietary |
| 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. | — | 45% |
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. | — | 33.4% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 40.4% | 59.4%Best |
| Timeline | ||
| Release gap | Claude 3 Sonnet shipped 108 days before Claude 3.5 Sonnet | |
Which is better: Claude 3 Sonnet or Claude 3.5 Sonnet?
Claude 3.5 Sonnet leads Claude 3 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Sonnet shipped 108 days before Claude 3.5 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 GPQA Diamond, Claude 3.5 Sonnet leads at 59.4% vs Claude 3 Sonnet at 40.4%.
Frequently asked questions
Claude 3 Sonnet was released by Anthropic on Mar 4 2024.
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
Claude 3.5 Sonnet leads on GPQA Diamond — Claude 3 Sonnet 40.4% vs Claude 3.5 Sonnet 59.4%.
Other comparisons
Claude 3 Sonnet vs GPT-5.6 SolClaude 3.5 Sonnet vs GPT-5.6 SolClaude 3 Sonnet vs Gemini OmniClaude 3.5 Sonnet vs Gemini OmniClaude 3 Sonnet vs Muse Spark 1.1Claude 3.5 Sonnet vs Muse Spark 1.1Claude 3 Sonnet vs Grok 4.5Claude 3.5 Sonnet vs Grok 4.5Claude 3 Sonnet vs DeepSeek-V4-ProClaude 3.5 Sonnet vs DeepSeek-V4-ProClaude 3 Sonnet vs Mistral Medium 3.5Claude 3.5 Sonnet vs Mistral Medium 3.5