ByteDance: UI-TARS 7B — pricing & benchmarks

By bytedance · Updated 2026-10-06 · Open weights · apache-2.0Reads imagesreads images / documentscheap high-volumeopen weights / self-hostable

What ByteDance: UI-TARS 7B is used for

ByteDance: UI-TARS 7B is best suited for reads images / documents, cheap high-volume, open weights / self-hostable. Access it through one Appmo API key alongside 458 other models — Appmo's optimizer can route to it automatically when it is the best value for a request. Weights: huggingface.co/ByteDance-Seed/UI-TARS-1.5-7B.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"bytedance/ui-tars-1.5-7b","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does ByteDance: UI-TARS 7B cost?
ByteDance: UI-TARS 7B costs $0.1 per 1M input tokens and $0.2 per 1M output tokens ($0.125 blended), as of 2026-10-06. Prices are expected to fall as competition increases.

What is ByteDance: UI-TARS 7B best for?
ByteDance: UI-TARS 7B is best suited for reads images / documents, cheap high-volume, open weights / self-hostable.

How do I use ByteDance: UI-TARS 7B ?
Send requests to Appmo's OpenAI-compatible endpoint with model id "bytedance/ui-tars-1.5-7b" and one API key — no separate provider account needed.

Is ByteDance: UI-TARS 7B open source?
Yes — its weights are public on Hugging Face (ByteDance-Seed/UI-TARS-1.5-7B) under the apache-2.0 license; check the license terms before commercial use.

Can ByteDance: UI-TARS 7B create images?
No. ByteDance: UI-TARS 7B can read and understand images, but it only writes text.