Kimi K2 0905 is cheaper than GPT-5.5 at $0.6/M vs $5/M input tokens.
| Spec | GPT-5.5 | Kimi K2 0905 |
|---|---|---|
| Input price | $5/M tokens | $0.6/M tokens |
| Output price | $30/M tokens | $2.5/M tokens |
| Context window | 1.1M tokens | 262K tokens |
| Released | Apr 2026 | Sep 2025 |
Not enough votes to call it. On the specs, GPT-5.5 has the edge: newer, bigger context window, major provider backing.
Kimi K2 0905 costs 12x less per token.
Kimi K2 0905 is cheaper on both — 8.3× input, 12× output
Kimi K2 0905 uses 14.6x more emoji
Kimi K2 0905 is cheaper than GPT-5.5 at $0.6/M vs $5/M input tokens.
| Spec | GPT-5.5 | Kimi K2 0905 |
|---|---|---|
| Input price | $5/M tokens | $0.6/M tokens |
| Output price | $30/M tokens | $2.5/M tokens |
| Context window | 1.1M tokens | 262K tokens |
| Released | Apr 2026 | Sep 2025 |
Not enough votes to call it. On the specs, GPT-5.5 has the edge: newer, bigger context window, major provider backing.
Kimi K2 0905 costs 12x less per token.
Kimi K2 0905 is cheaper on both — 8.3× input, 12× output
Kimi K2 0905 uses 14.6x more emoji