Qwen3.7 Flash vs Sonar Pro Search: side-by-side summary

Qwen3.7 Flash and Sonar Pro Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Qwen3.7 Flash, from Qwen, has a 1,000,000-token context window and is priced at $0.03/M tokens input, $0.13/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

• Qwen3.7 Flash: 1,000,000 tokens
• Sonar Pro Search: 200,000 tokens

Price

• Qwen3.7 Flash: $0.03/M tokens input, $0.13/M tokens output
• Sonar Pro Search: $3/M tokens input, $15/M tokens output

Provided by

• Qwen3.7 Flash: Qwen
• Sonar Pro Search: Perplexity

• Qwen3.7 Flash model details, providers and pricing
• Sonar Pro Search model details, providers and pricing