UI-TARS 7B vs Step 3.7 Flash

UI-TARS 7B vs Step 3.7 Flash: side-by-side summary

UI-TARS 7B and Step 3.7 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

UI-TARS 7B , from bytedance, has a 128,000-token context window and is priced at $0.10/M tokens input, $0.20/M tokens output on OpenRouter.

Step 3.7 Flash, from stepfun, has a 262,144-token context window and is priced at $0.20/M tokens input, $1.15/M tokens output on OpenRouter.

Context window

• UI-TARS 7B : 128,000 tokens
• Step 3.7 Flash: 262,144 tokens

Price

• UI-TARS 7B : $0.10/M tokens input, $0.20/M tokens output
• Step 3.7 Flash: $0.20/M tokens input, $1.15/M tokens output

Provided by

• UI-TARS 7B : bytedance
• Step 3.7 Flash: stepfun

• UI-TARS 7B model details, providers and pricing
• Step 3.7 Flash model details, providers and pricing

UI-TARS 7B vs Step 3.7 Flash at a glance