ByteDance: UI-TARS 7B
Analysis Summary
ByteDance's UI-TARS 7B is a 7-billion parameter vision model released July 2025, designed for UI understanding and interaction tasks with image input support and a 128K context window. No benchmark data is available, so its reasoning, instruction-following, or task completion performance cannot be assessed.
The vision capability and UI-focused design suggest potential value for screen-based automation, GUI testing, or visual workflow agents. However, without benchmark evidence, it is not possible to confirm whether the model performs reliably enough for production use in these scenarios.
At $0.10 input / $0.20 output, pricing is low and worth experimenting with for teams building UI automation pipelines. Independent evaluation on representative tasks is essential before committing to production deployment.
Assessed June 6, 2026
Editorial notes
ByteDance UI-TARS 7B is a vision-capable model with no benchmark data; its specialised UI understanding focus may suit narrow automation tasks, but capability cannot be confirmed without performance evidence.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How ByteDance: UI-TARS 7B compares
Its 128K-token context window is larger than 43% of the models we list. At $0.10 per million input tokens it is cheaper than 66% of comparable models.
About ByteDance: UI-TARS 7B
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..
Capabilities
How does ByteDance: UI-TARS 7B stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
bytedance/ui-tars-1.5-7b
|
| Provider | bytedance |
| Release Date | July 22, 2025 |
| Context Length | 128,000 tokens |
| Max Completion | 2,048 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.10 | $0.000100 |
| Output | $0.20 | $0.000200 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
External Resources
Frequently asked questions about ByteDance: UI-TARS 7B
How much does ByteDance: UI-TARS 7B cost?
ByteDance: UI-TARS 7B costs $0.10 per million input tokens and $0.20 per million output tokens.
What is the context window of ByteDance: UI-TARS 7B?
ByteDance: UI-TARS 7B has a context window of 128,000 tokens (128K).
What can ByteDance: UI-TARS 7B do?
ByteDance: UI-TARS 7B supports image/vision input.
Who created ByteDance: UI-TARS 7B?
ByteDance: UI-TARS 7B is developed by ByteDance and was released on July 22, 2025.
