Overview
Grok 4.20 Multi-Agent vs Sonar Reasoning Pro: side-by-side summary
Grok 4.20 Multi-Agent and Sonar Reasoning Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Grok 4.20 Multi-Agent, 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 Reasoning Pro, from Perplexity, has a 128,000-token context window and is priced at $2/M tokens input, $8/M tokens output on OpenRouter.
- Context window
- Grok 4.20 Multi-Agent: 2,000,000 tokens
- Sonar Reasoning Pro: 128,000 tokens
- Price
- Grok 4.20 Multi-Agent: $1.25/M tokens input, $2.50/M tokens output
- Sonar Reasoning Pro: $2/M tokens input, $8/M tokens output
- Provided by
- Grok 4.20 Multi-Agent: SpaceXAI
- Sonar Reasoning Pro: Perplexity