Aion-3.0 vs Sonar Reasoning Pro: side-by-side summary

Aion-3.0 and Sonar Reasoning Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Aion-3.0, from Aion Labs, has a 131,072-token context window and is priced at $3/M tokens input, $6/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

• Aion-3.0: 131,072 tokens
• Sonar Reasoning Pro: 128,000 tokens

Price

• Aion-3.0: $3/M tokens input, $6/M tokens output
• Sonar Reasoning Pro: $2/M tokens input, $8/M tokens output

Provided by

• Aion-3.0: Aion Labs
• Sonar Reasoning Pro: Perplexity

• Aion-3.0 model details, providers and pricing
• Sonar Reasoning Pro model details, providers and pricing