OpenAI: GPT-5.6 Luna vs Tencent: Hy3
OpenAI: GPT-5.6 Luna wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5.6 Luna | Tencent: Hy3 |
|---|---|---|
| Intelligence Index | 51.2✓ | 41.2 |
| Coding Index | 71.4✓ | 58.8 |
| GPQA Diamond | 91%✓ | 90% |
| Design Arena Elo | 1267✓ | 1198 |
| Speed (tokens/sec) | 188✓ | — |
| Latency | 1.9s✓ | — |
| Input price /M | $1.00 | $0.140✓ |
| Output price /M | $6.00 | $0.580✓ |
| Context window | 1.1M✓ | 262K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |