Gemini 3.5 Flash has a larger context window than GPT-5.1-Codex-Mini (1.0M tokens vs 400K tokens).
| Spec | Gemini 3.5 Flash | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | $1.5/M tokens | $1.5/M tokens |
| Output price | $9/M tokens | $6/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | May 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 3.5 Flash uses 11.5x more headings
Gemini 3.5 Flash has a larger context window than GPT-5.1-Codex-Mini (1.0M tokens vs 400K tokens).
| Spec | Gemini 3.5 Flash | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | $1.5/M tokens | $1.5/M tokens |
| Output price | $9/M tokens | $6/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | May 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 3.5 Flash uses 11.5x more headings