LongCat 2.0 vs Sonar Pro Search: side-by-side summary

LongCat 2.0 and Sonar Pro Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

LongCat 2.0, from meituan, has a 1,048,756-token context window and is priced at $0.30/M tokens input, $1.20/M tokens output on OpenRouter.

Sonar Pro Search, from Perplexity, has a 200,000-token context window and is priced at $3/M tokens input, $15/M tokens output on OpenRouter.

Context window

• LongCat 2.0: 1,048,756 tokens
• Sonar Pro Search: 200,000 tokens

Price

• LongCat 2.0: $0.30/M tokens input, $1.20/M tokens output
• Sonar Pro Search: $3/M tokens input, $15/M tokens output

Provided by

• LongCat 2.0: meituan
• Sonar Pro Search: Perplexity

• LongCat 2.0 model details, providers and pricing
• Sonar Pro Search model details, providers and pricing