Overview
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...
How ByteDance: UI-TARS 7B stacks up
Among the 368 chatbots & llms tools in our directory, it ranks #310 of 355 on quality (7.0/10), 12% below the 355-tool average of 8.0, and its $0.1/1M input-token rate is in the budget end — 94% cheaper than the 345-model average of $1.58/1M.
Weighing quality against cost, ByteDance: UI-TARS 7B 's cost-per-quality-point of $0.01 places it in the top 17% for value among chatbots & llms tools.
ByteDance: UI-TARS 7B in depth
ByteDance: UI-TARS 7B , built by Bytedance, sits in the chatbots & llms space and is a paid tool starting at $0.10/1M tokens. Our editors rate it 7.0 out of 10 based on capability, ecosystem and value. It handles a context window of 128,000 tokens.
On the feature side, ByteDance: UI-TARS 7B brings 128,000-token context window, vision (image input), structured (json) outputs and knowledge cutoff 2025-01-31. These are the capabilities that most shape day-to-day use and separate it from thinner alternatives.
Its biggest strength is low api price — $0.1 per 1m input tokens, cheaper than roughly 75% of comparable models, while the main trade-off to weigh is that no free tier — usage is billed per token. Keep both in mind when deciding whether it fits your workflow.
ByteDance: UI-TARS 7B is most often chosen for research and writing. If that matches your goals, it's a strong candidate to shortlist.
Key features
- ✓128,000-token context window
- ✓Vision (image input)
- ✓Structured (JSON) outputs
- ✓Knowledge cutoff 2025-01-31
Pricing
Pros
- +Low API price — $0.1 per 1M input tokens, cheaper than roughly 75% of comparable models
- +Accepts images as input (vision-capable)
- +Can return structured JSON output for reliable parsing
Cons
- −No free tier — usage is billed per token
- −Context window of 128,000 tokens is smaller than most current models
- −No tool / function calling support
Who should use ByteDance: UI-TARS 7B
- →Anyone looking for a chatbots & llms tool from Bytedance.
- →Teams and individuals focused on research and writing.
- →People who value low api price — $0.1 per 1m input tokens, cheaper than roughly 75% of comparable models.
- →Workflows that need a 128,000 tokens context window.
Who should look elsewhere
- →Anyone who needs a free tier — this tool is paid only.
- →Those for whom no free tier — usage is billed per token is a dealbreaker.
- →Users who can't accept that context window of 128,000 tokens is smaller than most current models.
Best for
10 Best ByteDance: UI-TARS 7B Alternatives in 2026
ByteDance: UI-TARS 7B is a strong chatbots & llms tool, but it is not the only option. Whether you are after a lower price, different features or a better fit for your workflow, here are the 10 best alternatives to ByteDance: UI-TARS 7B , ranked and compared.
Anthropic
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OpenAI
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Google DeepMind
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Meta
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Qwen
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Qwen
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Anthropic
Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing…
Anthropic
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work.
Gemini 3.6 Flash is a high-efficiency model from Google for coding, agentic workflows, and web and app development.
ByteDance: UI-TARS 7B vs top alternatives
A side-by-side look at how ByteDance: UI-TARS 7B stacks up against its closest rivals.
| Feature | ByteDance: UI-TARS 7B Bytedance | ClaudeAnthropic | ChatGPTOpenAI | GeminiGoogle DeepMind |
|---|---|---|---|---|
| Quality score | 7.0 / 10 | 9.6 / 10 | 9.5 / 10 | 9.2 / 10 |
| Starting price | $0.10/1M tokens | $20/mo | $20/mo | $20/mo |
| Free tier | No | Yes — Free tier available | Yes — Free tier available | Yes — Free tier available |
| API input price | $0.1 / 1M tokens | $10 / 1M tokens | $0.1 / 1M tokens | $0.1875 / 1M tokens |
| API output price | $0.2 / 1M tokens | $50 / 1M tokens | $0.6 / 1M tokens | $0.9375 / 1M tokens |
| Speed | — | Fast | Fast | Fast |
| Context window | 128,000 tokens | 200K tokens | 128K tokens | 1M-2M tokens |
| Categories | Chatbots & LLMs | Chatbots & LLMs, Coding, Writing | Chatbots & LLMs, Coding, Writing | Chatbots & LLMs, Coding, Writing |
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Frequently asked questions
Q. Is ByteDance: UI-TARS 7B free?
No — ByteDance: UI-TARS 7B is a paid tool, starting at $0.10/1M tokens.
Q. How much does ByteDance: UI-TARS 7B cost?
ByteDance: UI-TARS 7B starts at $0.10/1M tokens. API usage is around $0.1 per 1M input tokens and $0.2 per 1M output tokens.
Q. What is ByteDance: UI-TARS 7B best for?
ByteDance: UI-TARS 7B is best suited to research and writing, within the chatbots & llms category.
Q. What are the best ByteDance: UI-TARS 7B alternatives?
Popular alternatives to ByteDance: UI-TARS 7B include Claude, ChatGPT, Gemini and Google: Gemini 3.7 Flash (batch). Each trades off price, quality and ecosystem differently.
Q. Is there a free alternative to ByteDance: UI-TARS 7B ?
Yes. Claude, ChatGPT, Gemini offer a free tier, making them good starting points if you want to avoid an upfront subscription.
Q. Why switch from ByteDance: UI-TARS 7B ?
Common reasons include pricing, specific feature gaps (No free tier — usage is billed per token; Context window of 128,000 tokens is smaller than most current models; No tool / function calling support), data-privacy requirements, or simply wanting a tool that fits your stack better.
How we rate AI tools
Our quality score weighs capability on real tasks, breadth of features and integrations, pricing and value, and how actively the tool is maintained. Scores are editorial guidance, not benchmarks — always trial a tool on your own workflow before committing. Pricing and features change frequently, so verify current details on the official site.
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