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. | 9k | 200k |
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | Mar 14 2023 | May 16 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Claude 1vsGemini 4 Carboncodex-mini-latestvsGemini 4 CarbonClaude 1vsMuse Embercodex-mini-latestvsMuse EmberClaude 1vsGrok 4.7codex-mini-latestvsGrok 4.7Claude 1vsDeepSeek-V4.1-Flash-1017codex-mini-latestvsDeepSeek-V4.1-Flash-1017Claude 1vsMistral Large 4codex-mini-latestvsMistral Large 4Claude 1vsKimi K3.1 Procodex-mini-latestvsKimi K3.1 ProFrequently asked questions
Claude 1 and codex-mini-latest don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 794 days before codex-mini-latest, so benchmark comparisons should account for the intervening progress.
Context windows are 9k (Claude 1) vs 200k (codex-mini-latest).
Direct benchmark comparisons are unavailable — Claude 1 and codex-mini-latest don't publish scores on any of the same benchmarks.