ByteDance: UI-TARS 7B
Analysis Summary
ByteDance's UI-TARS 7B is a text-and-image model with a 128,000-token context window. The listing includes image input but no benchmark results, so its visual understanding, reasoning, and reliability on interface-related work cannot be assessed from the provided evidence. Tool use and function calling are not listed for this variant.
Its low listed prices, $0.10 per million input tokens and $0.20 per million output tokens, make it suitable for inexpensive evaluation. Image input could be useful for testing workflows involving screenshots or other visual material, but it is important to verify that it interprets those inputs accurately before using it for client tasks. A long context window does not by itself demonstrate strong performance over long inputs.
Treat UI-TARS 7B as an experimental, cost-conscious option. Validate visual tasks with representative examples and human checks before connecting it to production workflows.
Assessed September 23, 2026
Editorial notes
UI-TARS 7B accepts text and images and lists a 128K context window at low prices; benchmark results are not provided to establish its visual or reasoning reliability.
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DFO Verdict
UI-TARS 7B accepts text and images and lists a 128K context window at low prices; benchmark results are not provided to establish its visual or reasoning reliability.
How ByteDance: UI-TARS 7B compares
Its 128K-token context window is larger than 37% of the models we list. At $0.10 per million input tokens it is cheaper than 65% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.10 | $0.000100 |
| Output | $0.20 | $0.000200 |
What would ByteDance: UI-TARS 7B cost your business?
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A website chatbot handling around 100 customer conversations a day, a few short messages each.
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Talk to our teamAbout 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..
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.