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 Google: Gemma 3 27B
Google: Gemma 3 27B wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It handles context windows up to 128k tokens, understands over 140 languages, and offers improved math, reasoning, and chat capabilities,...
Model details →Side-by-side comparison
| Capability | ByteDance: UI-TARS 7B | Google: Gemma 3 27B | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 131K | 🏆 Google: Gemma 3 27B |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $0.08 | 🏆 Google: Gemma 3 27B |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.20 | $0.45 | 🏆 ByteDance: UI-TARS 7B |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Google: Gemma 3 27B |
| 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 Google: Gemma 3 27B?
Google: Gemma 3 27B wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between ByteDance: UI-TARS 7B and Google: Gemma 3 27B?
Input: $0.10 vs $0.08 per 1M tokens. Output: $0.20 vs $0.45 per 1M tokens.
What context windows do ByteDance: UI-TARS 7B and Google: Gemma 3 27B support?
ByteDance: UI-TARS 7B supports up to 128K tokens. Google: Gemma 3 27B supports up to 131K tokens.
Do both ByteDance: UI-TARS 7B and Google: Gemma 3 27B support tool calling?
ByteDance: UI-TARS 7B: not advertised. Google: Gemma 3 27B: yes.