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 · 1 year ago
Knowledge Cutoff · 2 years ago

Capabilities

Input2/5
Text✓
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities3/13
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/hr
g6.xlargeAWSL422 GB$0.805/hr
g2-standard-8GCPnvidia-l424 GB$0.851/hr
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