Claude Haiku 4.5 vs Sonar Pro Search: side-by-side summary

Claude Haiku 4.5 and Sonar Pro Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Haiku 4.5, from Anthropic, has a 200,000-token context window and is priced at $1/M tokens input, $5/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

• Claude Haiku 4.5: 200,000 tokens
• Sonar Pro Search: 200,000 tokens

Price

• Claude Haiku 4.5: $1/M tokens input, $5/M tokens output
• Sonar Pro Search: $3/M tokens input, $15/M tokens output

Provided by

• Claude Haiku 4.5: Anthropic
• Sonar Pro Search: Perplexity

• Claude Haiku 4.5 model details, providers and pricing
• Sonar Pro Search model details, providers and pricing