Fugu Ultra v2 vs Tencent Hy4 Preview
Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| Fugu Ultra v2 | Tencent Hy4 Preview | |
|---|---|---|
| Company | Sakana Ai | Tencent |
| Released | Sep 2026 | Aug 2026 |
| Context window | 1.0M | 1.0M |
| Input /1M tokens | $5 | $0.834 |
| Output /1M tokens | $30 | $2.501 |
| Open weights | No | Yes |
Benchmarks
| Benchmark | Fugu Ultra v2 | Tencent Hy4 Preview |
|---|---|---|
| GPQA | — | 92.3% |
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.