ByteDance UI-TARS 7B vs Tencent Hy-MT2-1.8B
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
- Hy-MT2-1.8B is 1.6× cheaper at a typical mix of 3 input tokens per output token.
- UI-TARS 7B accepts longer prompts: 128K vs 8K tokens.
- Hy-MT2-1.8B is the newer model (released 2026-08-20).
| UI-TARS 7B | Hy-MT2-1.8B | |
|---|---|---|
| Vendor | ByteDance | Tencent |
| Released | 2025-07-22 | 2026-08-20 |
| Input / 1M | $0.10 | $0.044 |
| Output / 1M | $0.20 | $0.177 |
| Cached input / 1M | $0.10 | — |
| Blended / 1M (3:1) | $0.125 | $0.077 |
| Context | 128K | 8K |
| Max output | 2K | 4K |
| Accepts | text, image | text |
| Reasoning | No | No |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $0.20 | $0.177 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
UI-TARS 7B
$9.00 per month$0.30 per day
Hy-MT2-1.8B
$5.29 per month$0.18 per day
Hy-MT2-1.8B saves $3.71 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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