GPT-5.1-Codex-Mini has a larger context window than Grok 3 Thinking (400K tokens vs 128K tokens).
| Spec | GPT-5.1-Codex-Mini | Grok 3 Thinking |
|---|---|---|
| Input price | $1.5/M tokens | — |
| Output price | $6/M tokens | — |
| Context window | 400K tokens | 128K tokens |
| Released | Nov 2025 | Feb 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: newer, bigger context window.
Grok 3 Thinking uses 6.1x more headings
GPT-5.1-Codex-Mini has a larger context window than Grok 3 Thinking (400K tokens vs 128K tokens).
| Spec | GPT-5.1-Codex-Mini | Grok 3 Thinking |
|---|---|---|
| Input price | $1.5/M tokens | — |
| Output price | $6/M tokens | — |
| Context window | 400K tokens | 128K tokens |
| Released | Nov 2025 | Feb 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: newer, bigger context window.
Grok 3 Thinking uses 6.1x more headings