Bytedance

BUI-TARS 7BOPEN

UI-TARS 7B (Bytedance): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.

Context window
128K
tokens
Input price
$0.1
per M tokens
Output price
$0.2
per M tokens
Provider
Bytedance

Prices update automatically — checked hourly against provider list prices.

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About this model

UI-TARS 7B is an open-weight AI model by Bytedance. You can download and self-host it for free; the prices below are hosted-API list prices, tracked hourly, for when you prefer convenience over self-hosting.

Frequently asked questions

What is UI-TARS 7B?

UI-TARS 7B is an AI language model from Bytedance. It is open-weight: you can download it and run it on your own hardware, for free.

Is UI-TARS 7B free?

The weights are free and open — you can self-host UI-TARS 7B and pay nothing per token. If you prefer a hosted API, list prices are $0.1 per million input tokens and $0.2 per million output tokens.

Can I self-host UI-TARS 7B?

Yes. UI-TARS 7B has open weights, so you can download it and run it on your own GPU or server with tools like Ollama, vLLM or llama.cpp — with no per-token cost.

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