Compare AI models
| Specifications | ||
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 400k | 256k |
| Overview | ||
| Company | OpenAI | SpaceXSI |
| Release date | Nov 13 2025 | Jul 9 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
GPT-5.1-Codex-MinivsClaude Fable 5.2Grok 4vsClaude Fable 5.2GPT-5.1-Codex-MinivsGemini 4 CarbonGrok 4vsGemini 4 CarbonGPT-5.1-Codex-MinivsMuse EmberGrok 4vsMuse EmberGPT-5.1-Codex-MinivsDeepSeek-V4.1-Flash-1017Grok 4vsDeepSeek-V4.1-Flash-1017GPT-5.1-Codex-MinivsMistral Large 4Grok 4vsMistral Large 4GPT-5.1-Codex-MinivsKimi K3.1 ProGrok 4vsKimi K3.1 ProFrequently asked questions
GPT-5.1-Codex-Mini and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 shipped 127 days before GPT-5.1-Codex-Mini, so benchmark comparisons should account for the intervening progress.
Context windows are 400k (GPT-5.1-Codex-Mini) vs 256k (Grok 4).
Direct benchmark comparisons are unavailable — GPT-5.1-Codex-Mini and Grok 4 don't publish scores on any of the same benchmarks.