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. | — | 128k |
| Overview | ||
| Company | OpenAI | SpaceXSI |
| Release date | Nov 7 2025 | Aug 13 2024 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
GPT-5-Codex-MinivsClaude Haiku 5.5Grok‑2vsClaude Haiku 5.5GPT-5-Codex-MinivsGemini 4 ArgonGrok‑2vsGemini 4 ArgonGPT-5-Codex-MinivsMuse Spark OpenGrok‑2vsMuse Spark OpenGPT-5-Codex-MinivsDeepSeek-V4.1-Flash-1017Grok‑2vsDeepSeek-V4.1-Flash-1017GPT-5-Codex-MinivsMistral Large 4Grok‑2vsMistral Large 4GPT-5-Codex-MinivsKimi K3.1 ProGrok‑2vsKimi K3.1 ProFrequently asked questions
GPT-5-Codex-Mini and Grok‑2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑2 shipped 451 days before GPT-5-Codex-Mini, 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-5-Codex-Mini and Grok‑2 don't publish scores on any of the same benchmarks.