GPT-5.1 vs Hy3
OpenAI vs Tencent — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 86.7)
- •Hy3 is cheaper ($0.07 vs $1.25 per 1M input)
- •GPT-5.1 is faster
- •GPT-5.1 has a larger context window (400K)
| GPT-5.1 | Hy3 | |
|---|---|---|
| Intelligence index | 89 | 86.7 |
| Developer | OpenAI | Tencent |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 400,000 tokens | 262,144 tokens |
| Input price | $1.25 / 1M | $0.07 / 1M |
| Output price | $10.00 / 1M | $0.26 / 1M |
| Speed | 115 tok/s | 100 tok/s |
| Released | November 12, 2025 | April 22, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
GPT-5.1
Hy3
GPQA Diamond
88.1
86.7
Humanity’s Last Exam
26.5
25.5