UI-TARS 72B

ByteDance chatvision Free

API ID: bytedance-research/ui-tars-72b

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Input Price
Free
/1M tokens
Output Price
Free
/1M tokens

About UI-TARS 72B

UI-TARS is ByteDance's specialized model for user interface understanding and interaction. The model excels at analyzing UI screenshots, understanding interface elements, and generating appropriate interactions. UI-TARS is particularly valuable for automated testing, accessibility analysis, and UI-based AI agents. The model demonstrates ByteDance's expertise in visual understanding from their app development experience. For developers building UI automation or analysis tools, UI-TARS offers specialized capability.

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Price Ranking
#1 lowest price among 950 Chat models — Top 20% cheapest!

Model Specifications

Context Length
33k
Max Output
—
Release Date
2025-03-26
Capabilities
chat vision
Input Modalities
textimage
Output Modalities
text

Best For

  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance
🎉

This model is completely free!

No token costs - use it without worrying about API bills.

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ByteDance Model Lineup

Compare all models from ByteDance to find the best fit

Model Input Output Context Capabilities
UI-TARS 72B Current Free Free 33k chat vision
Seedream 4.5 Free Free 4k chat vision image_gen
Seed OSS 36B Instruct Free Free 131k chat reasoning
Seed OSS 36B Instruct Free Free 131k chat reasoning
Seed 1.6 Flash $0.07 $0.30 262k chat vision video
Seed 1.6 Flash $0.07 $0.30 262k chat vision video
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🚀 Quick Start

Get started with UI-TARS 72B API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="bytedance-research/ui-tars-72b",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

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