ByteDance UI-TARS 7B vs Qwen2.5 7B Instruct
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
- Both cost about the same at a typical 3:1 input/output mix.
- UI-TARS 7B accepts longer prompts: 128K vs 33K tokens.
- UI-TARS 7B is the newer model (released 2025-07-22).
| UI-TARS 7B | Qwen2.5 7B Instruct | |
|---|---|---|
| Vendor | ByteDance | Qwen |
| Released | 2025-07-22 | 2024-10-16 |
| Input / 1M | $0.10 | $0.10 |
| Output / 1M | $0.20 | $0.20 |
| Cached input / 1M | $0.10 | — |
| Blended / 1M (3:1) | $0.125 | $0.125 |
| Context | 128K | 33K |
| Max output | 2K | 29K |
| Accepts | text, image | text |
| Reasoning | No | No |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $0.20 | $0.20 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
UI-TARS 7B
$9.00 per month$0.30 per day
Qwen2.5 7B Instruct
$9.00 per month$0.30 per day
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare UI-TARS 7B with
Compare Qwen2.5 7B Instruct with