How much does UI-TARS 7B cost per million tokens?

UI-TARS 7B costs $0.1 per million input tokens and $0.2 per million output tokens at list price, and $0.1 per million cached input tokens.

What is the context window of UI-TARS 7B ?

UI-TARS 7B accepts up to 128,000 tokens of context and returns up to 2,048 output tokens.

How much do 1,000 chat messages cost with UI-TARS 7B ?

About $0.20, assuming 1,000 input + 500 output tokens per message.

Is there a cheaper alternative to UI-TARS 7B ?

In the same price range, Qwen Qwen3.7 Flash ($0.03 / $0.13), DeepSeek DeepSeek V4 Flash 0423 ($0.042 / $0.084), Qwen Qwen3.5-9B ($0.1 / $0.15) cost less per token. Quality differs: test on your own prompts.

Where can I buy ByteDance API credits for less?

Discount credit books resell OpenRouter usage below face value within their depth, OpenRouter adds a 5.5% card fee, and ByteDance sells its own credits at face value. The live table on this page ranks them for $100 of usage.

ByteDance · live price

UI-TARS 7B API pricing

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...

Small and cheap (under $1 per 1M)image input

Input: $0.1; per 1M tokens
Output: $0.2; per 1M tokens
Cached input: $0.1; per 1M tokens
Context: 128K; 2K max output

List price from OpenRouter, which passes ByteDance's price through without markup. Refreshed hourly. Released July 22, 2025. Model id bytedance/ui-tars-1.5-7b.

What UI-TARS 7B costs in practice

At list price, before any batch or caching discount.

1,000 chat messages

$0.20

1,000 input + 500 output tokens each

1,000 RAG questions

$0.90

8,000 input + 500 output tokens each

100 coding-agent steps

$0.34

30,000 input + 2,000 output tokens each, no caching

UI-TARS 7B price history

No price change since we started tracking on 2026-10-01. We record prices daily; changes will show here.

UI-TARS 7B price by host

One host serves this model through OpenRouter.

Parasail$0.1 in · $0.2 out · 128K ctx · 100.0% uptime 24h

Where to buy ByteDance credits for less

UI-TARS 7B costs the same per token everywhere it's sold through OpenRouter. What changes is the price of the credits. Live quotes for $100 of usage:

#	Where you buy	You payYou pay for $100.00 of usage	vs list price	Price source
1	OrbioCardCheapest right now Credits from a discount book, plus a 5% platform fee and card processing, both included in the quote.	$85.10 incl. $2.60 card processing	-14.9%	live quote
2	smaaartCard Credits from a discount book, plus a 5% platform fee on face value. Card processing and taxes shown at checkout.	$95.00 + card processing and tax at checkout (not in this number)	-5.0%	live quote
3	Direct from the labCard Prepaid credits at face value (OpenAI, Anthropic, Google…). Taxes may apply.	$100.00 no top-up fee	list price	face value
4	OpenRouterCrypto 5% on crypto purchases. No markup on model prices.	$105.00 fees included	+5.0%	published fee
5	OpenRouterCard 5.5% on card purchases, $0.80 minimum. No markup on model prices.	$105.50 fees included	+5.5%	published fee

Disclosure: this site is run by the team behind smaaart, one of the options compared. Tables are ranked by price only, from live quotes and published fees, including when smaaart isn't first. How we compare

UI-TARS 7B cost calculator

Enter your monthly tokens to price your own usage.

Model$0.1 in / $0.2 out per 1M tokens · list price, liveInput tokens / month (millions)Output tokens / month (millions)

Usage at list price$7.00/ month

Cheaper alternatives to UI-TARS 7B

Other labs' models in the same price range or the one below, cheaper per token.

Model	Input / 1M	Output / 1M	Blended 3:1	Context
Qwen: Qwen3.7 Flash	$0.03	$0.13	$0.055	1M
DeepSeek: DeepSeek V4 Flash 0423	$0.042	$0.084	$0.052	1.0M
Qwen: Qwen3.5-9B	$0.1	$0.15	$0.112	262K
Qwen: Qwen3.5-Flash	$0.065	$0.26	$0.114	1M
Mistral: Ministral 3 3B 2512	$0.1	$0.1	$0.1	131K
OpenAI: gpt-oss-120b	$0.037	$0.17	$0.07	131K