Claude 3 Sonnet vs Grok Code Fast 1
Anthropic Claude 3 Sonnet | SpaceXAI Grok Code Fast 1 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | SpaceXAI |
| Release date | Mar 4 2024 | Aug 28 2025 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
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% | — |
| Timeline | ||
| Release gap | Claude 3 Sonnet shipped 542 days before Grok Code Fast 1 | |
Which is better: Claude 3 Sonnet or Grok Code Fast 1?
Claude 3 Sonnet and Grok Code Fast 1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Sonnet shipped 542 days before Grok Code Fast 1, 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.
Direct benchmark comparisons are unavailable — Claude 3 Sonnet and Grok Code Fast 1 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3 Sonnet was released by Anthropic on Mar 4 2024.
Grok Code Fast 1 was released by SpaceXAI on Aug 28 2025.
Other comparisons
Claude 3 Sonnet vs GPT-5.6 SolGrok Code Fast 1 vs GPT-5.6 SolClaude 3 Sonnet vs Gemini OmniGrok Code Fast 1 vs Gemini OmniClaude 3 Sonnet vs Muse Spark 1.1Grok Code Fast 1 vs Muse Spark 1.1Claude 3 Sonnet vs DeepSeek-V4-ProGrok Code Fast 1 vs DeepSeek-V4-ProClaude 3 Sonnet vs Mistral Medium 3.5Grok Code Fast 1 vs Mistral Medium 3.5Claude 3 Sonnet vs Kimi K2.7 CodeGrok Code Fast 1 vs Kimi K2.7 Code