UI-TARS 7B vs Solar Pro 4: side-by-side summary

UI-TARS 7B and Solar Pro 4 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.

Solar Pro 4, from upstage, has a 524,288-token context window and is priced at $0.03/M tokens input, $0.12/M tokens output on OpenRouter.

Context window

• UI-TARS 7B : 128,000 tokens
• Solar Pro 4: 524,288 tokens

Price

• UI-TARS 7B : $0.10/M tokens input, $0.20/M tokens output
• Solar Pro 4: $0.03/M tokens input, $0.12/M tokens output

Provided by

• UI-TARS 7B : bytedance
• Solar Pro 4: upstage

• UI-TARS 7B model details, providers and pricing
• Solar Pro 4 model details, providers and pricing