UI-TARS 7B: API pricing, providers and specs
UI-TARS 7B is a text model by ByteDance. One provider serves it: OpenRouter, at $0.20 /1M.
How UI-TARS 7B compares
Against the 737 text models on the site priced the same way.
- Cheap for its class: at $0.20 /1M, its lowest price undercuts 85% of comparable models (median $1.10).
- Its 128K-token context window is larger than 12% of them (median 262K), about 190 pages of text.
- 1 providers serve it; 0% of comparable models have fewer.
- Its weights are open under the Apache 2.0 license: commercial use allowed.
UI-TARS 7B prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| OpenRouter | $0.10/1M | From$0.20/1M | $0.10/1M | 128K |
Specs
- Type
- Text
- Maker
- ByteDance
- Inputs
- Image, Text
- Outputs
- Text
- Context
- 128K≈ 190 pages of text
- Max output
- 2K
- Capabilities
- Prompt caching, JSON, Vision
- Released
- Apr 16, 2025
- License
- Apache 2.0commercial use allowed
- Open weights
- Yes, downloadable
- Parameters
- 8.3B
Alternatives to UI-TARS 7B
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| UI-TARS 7Bthis model | $0.20/1M | 128K | — | 1 |
 GLM-5.3-Flash | $0.20/1M | 1.05M | 1608 | 45 |
 Qwen3.8 27B | $0.50/1M | 262K | 1591 | 33 |
| GPT-6 Luna | $0.40/1M | 1.05M | 1578 | 28 |
| Claude Haiku 5.5 | $0.30/1M | 1M | 1585 | 27 |
| Qwen3.8 Flash Next | $0.376/1M | 262K | 1628 | 5 |
 DeepSeek V4 Flash | $0.17/1M | 1.05M | — | 26 |
| DeepSeek V4 Flash Vision Exp | $0.294/1M | 1.05M | — | 26 |
| DeepSeek V4 Pro | $0.418/1M | 1.05M | — | 33 |
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The lowest price for UI-TARS 7B is $0.20 /1M, at OpenRouter.
UI-TARS 7B reads up to 128K tokens per request and writes up to 2K.
Yes. UI-TARS 7B's weights can be downloaded from its maker's Hugging Face page, under the Apache 2.0 license.
About 8.3B, as the safetensors metadata of its official Hugging Face repo states.
1 API providers serve UI-TARS 7B. Compare their prices above, or open a provider to see everything it offers.
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