Kimi K2 0905 is cheaper than GPT-5.1-Codex-Mini at $0.6/M vs $1.5/M input tokens.
| Spec | GPT-5.1-Codex-Mini | Kimi K2 0905 |
|---|---|---|
| Input price | $1.5/M tokens | $0.6/M tokens |
| Output price | $6/M tokens | $2.5/M tokens |
| Context window | 400K tokens | 262K tokens |
| Released | Nov 2025 | Sep 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: newer, bigger context window, major provider backing.
Kimi K2 0905 is cheaper on both — 2.5× input, 2.4× output
Kimi K2 0905 uses 14.6x more emoji
Kimi K2 0905 is cheaper than GPT-5.1-Codex-Mini at $0.6/M vs $1.5/M input tokens.
| Spec | GPT-5.1-Codex-Mini | Kimi K2 0905 |
|---|---|---|
| Input price | $1.5/M tokens | $0.6/M tokens |
| Output price | $6/M tokens | $2.5/M tokens |
| Context window | 400K tokens | 262K tokens |
| Released | Nov 2025 | Sep 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: newer, bigger context window, major provider backing.
Kimi K2 0905 is cheaper on both — 2.5× input, 2.4× output
Kimi K2 0905 uses 14.6x more emoji