Compare Grok 4.20 from SpaceXAI and UI-TARS 7B from bytedance on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Grok 4.20 and UI-TARS 7B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Grok 4.20, from SpaceXAI, has a 2,000,000-token context window and is priced at $1.25/M tokens input, $2.50/M tokens output on OpenRouter.
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.