UI-TARS-1.5 is a multimodal vision-language agent optimized for GUI-based environments, including desktop interfaces, web browsers, mobile systems, and games. Built by ByteDance, it builds upon the UI-TARS framework with reinforcement...
Model details →ByteDance: UI-TARS 7B vs Mistral: Mistral Medium 3.1 (batch)
ByteDance: UI-TARS 7B and Mistral: Mistral Medium 3.1 (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...
Model details →Side-by-side comparison
| Capability | ByteDance: UI-TARS 7B | Mistral: Mistral Medium 3.1 (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 131K | 🏆 Mistral: Mistral Medium 3.1 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $0.20 | 🏆 ByteDance: UI-TARS 7B |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.20 | $1.00 | 🏆 ByteDance: UI-TARS 7B |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Mistral: Mistral Medium 3.1 (batch) |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is ByteDance: UI-TARS 7B better than Mistral: Mistral Medium 3.1 (batch)?
ByteDance: UI-TARS 7B and Mistral: Mistral Medium 3.1 (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between ByteDance: UI-TARS 7B and Mistral: Mistral Medium 3.1 (batch)?
Input: $0.10 vs $0.20 per 1M tokens. Output: $0.20 vs $1.00 per 1M tokens.
What context windows do ByteDance: UI-TARS 7B and Mistral: Mistral Medium 3.1 (batch) support?
ByteDance: UI-TARS 7B supports up to 128K tokens. Mistral: Mistral Medium 3.1 (batch) supports up to 131K tokens.
Do both ByteDance: UI-TARS 7B and Mistral: Mistral Medium 3.1 (batch) support tool calling?
ByteDance: UI-TARS 7B: not advertised. Mistral: Mistral Medium 3.1 (batch): yes.