UI-TARS 7B vs GPT-5.6 Terra: side-by-side summary

UI-TARS 7B and GPT-5.6 Terra 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.

GPT-5.6 Terra, from OpenAI, has a 1,050,000-token context window and is priced at $2/M tokens input, $12/M tokens output on OpenRouter.

Context window

• UI-TARS 7B : 128,000 tokens
• GPT-5.6 Terra: 1,050,000 tokens

Price

• UI-TARS 7B : $0.10/M tokens input, $0.20/M tokens output
• GPT-5.6 Terra: $2/M tokens input, $12/M tokens output

Provided by

• UI-TARS 7B : bytedance
• GPT-5.6 Terra: OpenAI

• UI-TARS 7B model details, providers and pricing
• GPT-5.6 Terra model details, providers and pricing