ByteDance: UI-TARS 7B

bytedance/ui-tars-1.5-7b

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...

Modalities

In / out price

$0.1 / $0.2 per 1M

Context

128K

Released

Jul 22, 2025

Why use UI-TARS 7B

Understands images
Structured (JSON) outputs

Pricing

Input	$0.1 / 1M tokens
Output	$0.2 / 1M tokens
Cached input (read)	$0.1 / 1M tokens

List prices via OpenRouter, checked daily. Real cost depends on the provider and on reasoning tokens.

Cost calculator

Pick a task, set how often you run it, and compare what it costs on each model.

TaskInput tokens≈ 602 wordsOutput tokens≈ 1,504 wordsRuns per month

Input served from cache: 0%Repeated prompts (same instructions or document) are billed at the cheaper cache-read price where the model supports it.

Model	Per run	Per month	Per 1,000 runs
ByteDance: UI-TARS 7B	$0.0005	$0.480	$0.480

Estimates from list prices via OpenRouter; real bills vary by provider and reasoning tokens.

Will it fit? Context window simulator

Each square is about one page (500 words). Colored squares are your content; grey squares are free space in the model's context window.

Your content

Novel (90,000 words)

Total: about 120,000 tokens (≈ 90,226 words). Token counts are estimates.

Models

Zoom (square size): 6pxZoom out to see a whole million-token window at once.

ByteDance: UI-TARS 7B

128,000 tokens ≈ 193 pages

Fits: uses 94% of the window.

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