Gemini 3.1 Flash Lite is cheaper than GPT-5.1-Codex at $0.25/M vs $1.25/M input tokens.
| Spec | Gemini 3.1 Flash Lite | GPT-5.1-Codex |
|---|---|---|
| Input price | $0.25/M tokens | $1.25/M tokens |
| Output price | $1.5/M tokens | $10/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 3.1 Flash Lite costs 6.7x less per token.
Gemini 3.1 Flash Lite is cheaper on both — 5.0× input, 6.7× output
GPT-5.1-Codex uses 3.4x more transitions
Gemini 3.1 Flash Lite is cheaper than GPT-5.1-Codex at $0.25/M vs $1.25/M input tokens.
| Spec | Gemini 3.1 Flash Lite | GPT-5.1-Codex |
|---|---|---|
| Input price | $0.25/M tokens | $1.25/M tokens |
| Output price | $1.5/M tokens | $10/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 3.1 Flash Lite costs 6.7x less per token.
Gemini 3.1 Flash Lite is cheaper on both — 5.0× input, 6.7× output
GPT-5.1-Codex uses 3.4x more transitions