ByteDance: UI-TARS 7B API Pricing
ByteDance: UI-TARS 7B costs $0.100 per 1M input tokens and $0.200 per 1M output tokens (cache reads: $0.100). Context window: 128K. Prices verified 2026-10-21 · source
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Token economics
| Token type | Price | vs base input |
|---|---|---|
| Standard input | $0.100 | — |
| Cache read | $0.100 | −0% |
| Output | $0.200 | — |
Prompt caching stores repeated context server-side: reads cost far less, but writes carry a one-time premium.
Training data ends here — newer events require retrieval or web search.
What would ByteDance: UI-TARS 7B cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $1.60 |
| Coding agent | 5,000 | 8,000 / 2,000 | $6.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $15.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $4.40 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About ByteDance: UI-TARS 7B
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...
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Frequently asked questions
How much does ByteDance: UI-TARS 7B cost?
ByteDance: UI-TARS 7B costs $0.100 per 1M input tokens and $0.200 per 1M output tokens; cached input tokens cost $0.100 per 1M. Verified 2026-10-21 — provider source.
What is the context window?
128K tokens, with up to 2K output tokens per response. That's roughly 160 pages of text in a single request.
Does it support prompt caching?
Yes — cached input is $0.100/1M, about 0% cheaper than standard input. Agents and RAG workloads with repeated context benefit most.
What's a cheaper alternative?
ScaleDown: Summarize saves about 78% on a typical workload with comparable quality.
Official resources
- ByteDance: UI-TARS 7B on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis leaderboard → — independent intelligence and performance rankings.
- Shred your current bill — paste a CSV and see if switching saves money.