bytedanceListed Jul 22, 2025

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...

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Context window128K

Max output2K

Parameters7B

Provider endpoints2

Benchmark results0

Image input Structured output Prompt caching Open weights

Measured performance

Benchmark results

All leaderboards ↗

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No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

2 quotes

OpenRouter

Catalog quote

Input: $0.10
Output: $0.20
Cached input: $0.10

USD / 1M tokens

128K context2K max outputPrice source ↗Checked Oct 18, 2026

Endpoint ID

bytedance/ui-tars-1.5-7b

Parasail

via OpenRouter

parasail/bf16 · quantization=bf16

Input: $0.10
Output: $0.20
Cached input: $0.10

USD / 1M tokens

128K context2K max outputPrice source ↗Checked Oct 18, 2026

Endpoint ID

bytedance/ui-tars-1.5-7b::parasail/bf16

Model specifications

Developer: bytedance
Modality: Language
Context: 128,000 tokens
Maximum output: 2,048 tokens
Weights: Open weights
Provider listed: Jul 22, 2025
First discovered: Oct 16, 2026

Exact identities

openrouterbytedance/ui-tars-1.5-7b

Sources

OpenRouter ↗

Updated Oct 18, 2026