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Chat with ByteDance: UI-TARS 7B

Commercial use OK 380+ models No watermark No sign-up needed
Model:
+ GPT-5, Claude, Gemini
Chat model Premium 128000 ctx
ByteDance: UI-TARS 7B — ByteDance: UI-TARS 7B is an AI model by Bytedance on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 123 tokens per message. Try ByteDance: UI-TARS 7B instantly — no sign up needed. Compare it side-by-side with ot…
~123 & Тасвир/message

What is ByteDance: UI-TARS 7B?

ByteDance: UI-TARS 7B is an AI model by Bytedance on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 123 tokens per message. Try ByteDance: UI-TARS 7B instantly — no sign up needed. Compare it side-by-side with other models.

Why use ByteDance: UI-TARS 7B for chat?

Streaming responses

Replies stream token-by-token within ~1 second of pressing Send. No idle waiting.

Saved history

Signed-in users see every chat in /account/?tab=history with one-click share links.

Compare side by side

Send the same prompt to two models at /chat/compare/ and judge the outputs side by side.

Commercial use OK

Outputs are yours. Use them in apps, ads, docs, or anything else without attribution.

Sample prompts

Explain the difference between TCP and UDP in one paragraph
Write a friendly out-of-office reply that mentions a return date
Summarize the plot of The Three-Body Problem in 5 bullet points
Suggest 5 unique gift ideas for a friend who loves baking
Help me brainstorm a name for a small landscaping business in Texas

Pricing

Premium chat. Cost is per message — typically ~123 tokens. $1 buys 750,000 tokens, so even paid models cost cents per chat. Free signups get 10,000 tokens to try.

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Full model reference → · See all chat models → · Compare 2 chat models side-by-side →

Advanced options
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Бақайдгирӣ

Коркарди дархости шумо...

ByteDance: UI-TARS 7B is an AI model by Bytedance on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 123 tokens per message. Try ...

Чӣ тавр истифода бурдани Chat with ByteDance: UI-TARS 7B

1
Вводите свой ввод

Матнро ворид кунед, файлро бор кунед ё он чиро, ки мехоҳед, тавсиф кунед. Ҳисоби корбарӣ лозим нест.

2
Нажмите, чтобы создать

Мо дархостҳои шуморо дар якчанд сония бо истифода аз беҳтарин моделҳои кушодаи сарчашма коркард мекунем.

3
Боргирӣ ва тақсимкунӣ

Боргирӣ, нусхабардорӣ ё мубодилаи натиҷаи шумо. Барои истифодаи шахсӣ ва тиҷоратӣ ройгон аст.

Use this tool via API

Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.

API Documentation Get API Key 
curl -X POST https://api.free.ai/v1/chat/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen7b", "messages": [{"role": "user", "content": "Hello"}]}'

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Chat with ByteDance: UI-TARS 7B — FAQ

ByteDance: UI-TARS 7B is an AI model by Bytedance on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 123 tokens per message. Try ByteDance: UI-TARS 7B instantly — no sign up needed. Compare it side-by-side with other models.

ByteDance: UI-TARS 7B works well for general conversation, writing assistance, brainstorming, code help, and analysis. Try the sample prompts above to see its style.

About 123 tokens per average message. $1 buys 750,000 tokens, so even paid models cost cents per chat. Free accounts get 10,000 signup tokens plus a daily pool.

It depends on the task. /chat/compare/ lets you send the same prompt to ByteDance: UI-TARS 7B and any other model side-by-side — comparison is the fastest way to decide.

Yes. Outputs are yours — Free.ai does not claim rights to anything you generate.

128,000 tokens.

Replies stream token-by-token within ~1 second. Total response time depends on length and model size — small models stream faster, frontier models trade speed for depth.

Yes. Signed-in users see every chat in /account/?tab=history. You can also share a one-link copy of any conversation via the Share button.

Free.ai does not train models on your conversations. Self-hosted models stay on our GPUs. Premium models route to the upstream provider for inference.

Yes. POST to /v1/chat/ with model="bytedance/ui-tars-1.5-7b" and a messages array. Streaming SSE is supported. Full reference: /api/.

ByteDance: UI-TARS 7B is a premium model served by an external provider, so self-hosting is not available. Free.ai exposes it through token-based pricing.

Free accounts get 10,000 signup tokens plus a daily pool. When that runs out, top up starting at $1 (750K tokens) — no subscription required.

Sign up free for 10,000 tokens

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