We follow the usage tier system below to set rate limits. You can check your usage tier by going to your API settings page.

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Usage Tiers

TierCredit Purchase (all time)
Tier 0-
Tier 1$50
Tier 2$250
Tier 3$500
Tier 4$1000
Tier 5$5000
The tiers are based on cumulative purchases on a given account

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Rate Limits and Features

ModelRequests per minute (RPM)Features
sonar-deep-research5related questions, structured outputs
sonar-reasoning-pro50images, related questions, search domain filter, structured outputs
sonar-reasoning50images, related questions, search domain filter, structured outputs
sonar-pro50images, related questions, search domain filter, structured outputs
sonar50images, related questions, search domain filter, structured outputs
POST /async/chat/completions5async chat completions
GET /async/chat/completions3000async chat completions status
GET /async/chat/completions/{request_id}6000async chat completion results
Rate Limit forsonar-deep-research increases as you move up usage tiers