UI-TARS 1.5 7B is ByteDance's language model with a 131K context window and up to 2K output tokens, starting at $0.1 / 1M input and $0.2 / 1M output. A 7B multimodal vision-language agent optimized for GUI-based environments including desktop, web, mobile, and game interfaces.
Specifications
Canonical IDbytedance-ui-tars-1-5-7b
TypeLanguage
StatusActive
CreatorByteDanceByteDance
Providers
Context Window131K tokens
Max Output2K tokens
Input ModalitiesImageText
Output ModalitiesText
Parameters7B
HuggingFace Likes562
HuggingFace Downloads (30d)606,345
HuggingFace Downloads (all-time)2,245,307
Release Date · 12 months ago
Knowledge Cutoff · 1 year ago

Capabilities

Input2/5
Text
Image
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities2/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
OpenRouter logo
OpenRouter
bytedance/ui-tars-1.5-7b
$0.1$0.2$0.1

Cost Calculator

US Dollar ($)
Preset:

Cheapest Instances to Run It

Cloud GPU instances that can host UI-TARS 1.5 7B, ranked by cheapest on-demand price. The model needs about 17 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)
Instance
Cloud
GPU
VRAM
Price
Cheapest region
g2-standard-4GCPnvidia-l424 GB$0.705/hrus-east4
g6.xlargeAWSL422 GB$0.805/hrus-east-1
g2-standard-8GCPnvidia-l424 GB$0.851/hrus-east4
7 more instances can run UI-TARS 1.5 7B
Unlock the full ranked list and FP8 / INT4 quantization with a CloudPrice subscription.

Model IDs

bytedance-ui-tars-1-5-7b
bytedance/ui-tars-1.5-7b
openrouter/bytedance/ui-tars-1.5-7b