OpenAI GPT-6 Luna Pro vs Tencent Hy3
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Hy3 is 1.4× cheaper at a typical mix of 3 input tokens per output token.
- GPT-6 Luna Pro accepts longer prompts: 1M vs 262K tokens.
- GPT-6 Luna Pro is the newer model (released 2026-09-22).
| GPT-6 Luna Pro | Hy3 | |
|---|---|---|
| Vendor | OpenAI | Tencent |
| Released | 2026-09-22 | 2026-07-06 |
| Input / 1M | $0.10 | $0.083 |
| Output / 1M | $0.50 | $0.33 |
| Cached input / 1M | $0.01 | $0.021 |
| Blended / 1M (3:1) | $0.20 | $0.144 |
| Context | 1M | 262K |
| Max output | 128K | 128K |
| Accepts | text, image, file | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 6 | 5 |
| Cheapest provider, output | $0.50 | $0.528 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | — |
Cost calculator
GPT-6 Luna Pro
$13.50 per month$0.45 per day
Hy3
$9.90 per month$0.33 per day
Hy3 saves $3.60 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare GPT-6 Luna Pro with