Codestral Mamba 7B vs o3
Mistral Codestral Mamba 7B | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Jul 16 2024 | Apr 16 2025 |
| Access | Open Weight | 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. | — | 26% |
| Timeline | ||
| Release gap | Codestral Mamba 7B shipped 274 days before o3 | |
Which is better: Codestral Mamba 7B or o3?
Codestral Mamba 7B and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral Mamba 7B shipped 274 days before o3, so benchmark comparisons should account for the intervening progress.
Codestral Mamba 7B is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — Codestral Mamba 7B and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Codestral Mamba 7B was released by Mistral on Jul 16 2024.
o3 was released by OpenAI on Apr 16 2025.
Codestral Mamba 7B is an open weight model released by Mistral. o3 is a proprietary model released by OpenAI.
Other comparisons
Codestral Mamba 7B vs Claude Sonnet 5o3 vs Claude Sonnet 5Codestral Mamba 7B vs Gemini Omnio3 vs Gemini OmniCodestral Mamba 7B vs Muse Spark 1.1o3 vs Muse Spark 1.1Codestral Mamba 7B vs Grok 4.5o3 vs Grok 4.5Codestral Mamba 7B vs DeepSeek-V4-Proo3 vs DeepSeek-V4-ProCodestral Mamba 7B vs Kimi K2.7 Codeo3 vs Kimi K2.7 Code