UI-TARS 7B

ByteDance · Released July 2025 · Knowledge cutoff January 2025

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...

Facts and pricing

Provider

ByteDance

Context window

128K tokens

Input price

1.1 credits / 1M tokens ($0.10 raw)

Output price

2.2 credits / 1M tokens ($0.20 raw)

Vision (image input)

Yes

Tool calling

No

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

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What UI-TARS 7B is best for

• Balanced everyday work: writing, questions, brainstorming and summarization
• Working with images: screenshots, charts, photos and scanned documents alongside text

Frequently asked questions

What is UI-TARS 7B?

UI-TARS 7B is an AI model by ByteDance. 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...

How much does UI-TARS 7B cost on Zeplik?

Input tokens cost 1.1 credits per million and output tokens 2.2 credits per million (1 credit = $0.10; the raw provider rates are $0.10 and $0.20 per million). New accounts start with free credits.

How long can a conversation with UI-TARS 7B be?

UI-TARS 7B has a 128K-token context window (128,000 tokens), which covers the conversation plus any documents you attach.

Does UI-TARS 7B support images and tools?

UI-TARS 7B accepts image input and does not support tool calling.

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