GPT-4.1 nano vs Grok 4.3 Beta
OpenAI GPT-4.1 nano | SpaceXAI Grok 4.3 Beta | |
|---|---|---|
| Overview | ||
| Company | OpenAI | SpaceXAI |
| Release date | Apr 14 2025 | Apr 17 2026 |
| Access | Proprietary | Proprietary |
| Specifications | ||
Context window | 1M | — |
| 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. | — | 50% |
| Timeline | ||
| Release gap | GPT-4.1 nano shipped 368 days before Grok 4.3 Beta | |
Which is better: GPT-4.1 nano or Grok 4.3 Beta?
GPT-4.1 nano and Grok 4.3 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4.1 nano shipped 368 days before Grok 4.3 Beta, 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 — GPT-4.1 nano and Grok 4.3 Beta don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-4.1 nano was released by OpenAI on Apr 14 2025.
Grok 4.3 Beta was released by SpaceXAI on Apr 17 2026.
Other comparisons
GPT-4.1 nano vs Claude Sonnet 5Grok 4.3 Beta vs Claude Sonnet 5GPT-4.1 nano vs Gemini OmniGrok 4.3 Beta vs Gemini OmniGPT-4.1 nano vs Muse Spark 1.1Grok 4.3 Beta vs Muse Spark 1.1GPT-4.1 nano vs DeepSeek-V4-ProGrok 4.3 Beta vs DeepSeek-V4-ProGPT-4.1 nano vs Mistral Medium 3.5Grok 4.3 Beta vs Mistral Medium 3.5GPT-4.1 nano vs Kimi K2.7 CodeGrok 4.3 Beta vs Kimi K2.7 Code