Kimi K2 is cheaper than GPT-4o (Omni) at $0.57/M vs $2.5/M input tokens.
| Spec | GPT-4o (Omni) | Kimi K2 |
|---|---|---|
| Input price | $2.5/M tokens | $0.57/M tokens |
| Output price | $10/M tokens | $2.3/M tokens |
| Context window | 128K tokens | — |
| Released | May 2024 | Jul 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Kimi K2 takes Conversation. Kimi K2 costs 4.3x less per token.
Kimi K2 is cheaper on both — 4.4× input, 4.3× output
Kimi K2 uses 21.4x more emoji
Kimi K2 is cheaper than GPT-4o (Omni) at $0.57/M vs $2.5/M input tokens.
| Spec | GPT-4o (Omni) | Kimi K2 |
|---|---|---|
| Input price | $2.5/M tokens | $0.57/M tokens |
| Output price | $10/M tokens | $2.3/M tokens |
| Context window | 128K tokens | — |
| Released | May 2024 | Jul 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Kimi K2 takes Conversation. Kimi K2 costs 4.3x less per token.
Kimi K2 is cheaper on both — 4.4× input, 4.3× output
Kimi K2 uses 21.4x more emoji