Grok 4.20 vs Sonar Pro Search: side-by-side summary

Grok 4.20 and Sonar Pro Search 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.

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

• Grok 4.20: 2,000,000 tokens
• Sonar Pro Search: 200,000 tokens

Price

• Grok 4.20: $1.25/M tokens input, $2.50/M tokens output
• Sonar Pro Search: $3/M tokens input, $15/M tokens output

Provided by

• Grok 4.20: SpaceXAI
• Sonar Pro Search: Perplexity

• Grok 4.20 model details, providers and pricing
• Sonar Pro Search model details, providers and pricing