GPT-5.1-Codex-Mini is cheaper than Claude 3 Sonnet at $1.5/M vs $3/M input tokens.
| Spec | Claude 3 Sonnet | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | $3/M tokens | $1.5/M tokens |
| Output price | $15/M tokens | $6/M tokens |
| Context window | — | 400K tokens |
| Released | Mar 2024 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, newer, bigger context window.
GPT-5.1-Codex-Mini is cheaper on both — 2.0× input, 2.5× output
GPT-5.1-Codex-Mini uses 332.9x more bold
GPT-5.1-Codex-Mini is cheaper than Claude 3 Sonnet at $1.5/M vs $3/M input tokens.
| Spec | Claude 3 Sonnet | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | $3/M tokens | $1.5/M tokens |
| Output price | $15/M tokens | $6/M tokens |
| Context window | — | 400K tokens |
| Released | Mar 2024 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, newer, bigger context window.
GPT-5.1-Codex-Mini is cheaper on both — 2.0× input, 2.5× output
GPT-5.1-Codex-Mini uses 332.9x more bold