Claude 3.5 SonnetvsClaude 3.5 Sonnet (upgraded)
Claude 3.5 Sonnet | Claude 3.5 Sonnet (upgraded) | |
|---|---|---|
| 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% | 49%Best |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 59.4% | — |
| Overview | ||
| Company | Anthropic | Anthropic |
| Release date | Jun 20 2024 | Oct 22 2024 |
| Access | Proprietary | Proprietary |
Which is better: Claude 3.5 Sonnet or Claude 3.5 Sonnet (upgraded)?
Claude 3.5 Sonnet (upgraded) leads Claude 3.5 Sonnet on 1 of the 1 benchmark they both report (SWE-Bench Verified). Claude 3.5 Sonnet shipped 124 days before Claude 3.5 Sonnet (upgraded), 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 SWE-Bench Verified, Claude 3.5 Sonnet (upgraded) leads at 49% vs Claude 3.5 Sonnet at 33.4%.
Frequently asked questions
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
Claude 3.5 Sonnet (upgraded) was released by Anthropic on Oct 22 2024.
Claude 3.5 Sonnet (upgraded) leads on SWE-Bench Verified — Claude 3.5 Sonnet 33.4% vs Claude 3.5 Sonnet (upgraded) 49%.
Other comparisons
Claude 3.5 SonnetvsGPT-5.6-CyberClaude 3.5 Sonnet (upgraded)vsGPT-5.6-CyberClaude 3.5 SonnetvsGemini 3.7 FlashClaude 3.5 Sonnet (upgraded)vsGemini 3.7 FlashClaude 3.5 SonnetvsMuse GlimmerClaude 3.5 Sonnet (upgraded)vsMuse GlimmerClaude 3.5 SonnetvsGrok 4.6Claude 3.5 Sonnet (upgraded)vsGrok 4.6Claude 3.5 SonnetvsDeepSeek-V4-Pro-0813Claude 3.5 Sonnet (upgraded)vsDeepSeek-V4-Pro-0813Claude 3.5 SonnetvsMistral Medium 3.5Claude 3.5 Sonnet (upgraded)vsMistral Medium 3.5