o3 vs Grok‑1
OpenAI o3 | SpaceXAI Grok‑1 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | SpaceXAI |
| Release date | Apr 16 2025 | Nov 3 2023 |
| Access | Proprietary | Open Weight |
| 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 | Grok‑1 shipped 530 days before o3 | |
Which is better: o3 or Grok‑1?
o3 and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 530 days before o3, so benchmark comparisons should account for the intervening progress.
o3 is proprietary, while Grok‑1 is open weight.
Direct benchmark comparisons are unavailable — o3 and Grok‑1 don't publish scores on any of the same benchmarks.
Frequently asked questions
o3 was released by OpenAI on Apr 16 2025.
Grok‑1 was released by SpaceXAI on Nov 3 2023.
o3 is a proprietary model released by OpenAI. Grok‑1 is an open weight model released by SpaceXAI.