OpenRouter vs Perplexity

Single API endpoint for 300+ models from dozens of providers

Requests automatically route to the best available provider for each model

Drop-in replacement using the OpenAI SDK format

Routes to the fastest or cheapest provider based on your preference

Pay per token with no minimum commitments or subscriptions

Reduced pricing for cached input tokens on supported models

Proprietary models combining LLM reasoning with real-time web search and citations

Responses include inline citations and sources from live web data

Drop-in replacement using standard chat completions format

Access to Llama and other open-source models alongside Sonar

JSON mode and structured output support for reliable parsing

Restrict or focus web search to specific domains for targeted results