by Bytedance

ByteDance: UI-TARS 7B .

multimodal open weights edge 7B params 128K ctx
Cheapest input
$0.1/M
on OpenRouter
Cheapest output
$0.2/M
on OpenRouter
Fastest
59 tok/s
on OpenRouter
Smallest GPU
1× Nvidia P102-100

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

Smallest GPU to run it See all quantisations →

1× Nvidia P102-100.

Most-aggressive quantisation we have a working recommendation for. Lower precision = less VRAM = cheaper hardware, at a small accuracy cost.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.1 $0.2 Launch ↗
Performance

Speed across providers.

Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.

Provider Tokens/sec TTFT Total
OpenRouter 59.4 541 ms 1904 ms
FAQ

Frequently asked.

How do I run ByteDance: UI-TARS 7B ?
ByteDance: UI-TARS 7B is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access ByteDance: UI-TARS 7B ?
ByteDance: UI-TARS 7B is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run ByteDance: UI-TARS 7B ?
API pricing starts at $0.1/M input tokens and $0.2/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is ByteDance: UI-TARS 7B open-source or proprietary?
ByteDance: UI-TARS 7B is open-weight under the license. You can download and self-host it.