Kwaipilot: KAT-Coder-Pro V2 wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Kwaipilot: KAT-Coder-Pro V2 | OpenAI: GPT-5 Codex |
|---|---|---|
| Intelligence Index | 43.8 | 44.6✓ |
| Coding Index | 45.6✓ | 38.9 |
| GPQA Diamond | 86%✓ | 84% |
| Design Arena Elo | — | 1140✓ |
| Speed (tokens/sec) | 36 | 74✓ |
| Latency | 896ms✓ | 2.8s |
| Input price /M | $0.300✓ | $1.25 |
| Output price /M | $1.20✓ | $10.00 |
| Context window | 256K | 400K✓ |
| Capabilities | ToolsJSON | ReasoningToolsJSONVision |