Gemini 2.5 Flash Preview (thinking) is cheaper than GPT-5.1-Codex-Mini at $0.175/M vs $1.5/M input tokens.
| Spec | Gemini 2.5 Flash Preview (thinking) | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | $0.175/M tokens | $1.5/M tokens |
| Output price | $3.5/M tokens | $6/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Apr 2025 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, newer.
Gemini 2.5 Flash Preview (thinking) is cheaper on both — 8.6× input, 1.7× output
GPT-5.1-Codex-Mini uses 7.7x more headings
Gemini 2.5 Flash Preview (thinking) is cheaper than GPT-5.1-Codex-Mini at $0.175/M vs $1.5/M input tokens.
| Spec | Gemini 2.5 Flash Preview (thinking) | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | $0.175/M tokens | $1.5/M tokens |
| Output price | $3.5/M tokens | $6/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Apr 2025 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, newer.
Gemini 2.5 Flash Preview (thinking) is cheaper on both — 8.6× input, 1.7× output
GPT-5.1-Codex-Mini uses 7.7x more headings