Developer tools · Vendor site 2026-10-04
GPTRouter is Writesonic’s open-source AI model router for balancing traffic across providers such as OpenAI, Anthropic, Cohere, Azure OpenAI, and image models. It offers health checking, failover, cost and latency observability, and a hosted preview with limited daily generations before self-hosting.
Understand the total cost
Free
Free
Project is licensed under GNU and marketed as free to use; hosted preview offers 10 generations per day before self-deployment.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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Yes. GPTRouter has an ongoing free plan. Project is licensed under GNU and marketed as free to use; hosted preview offers 10 generations per day before self-deployment.
GPTRouter is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. Documentation site covers installing GPTRouter and obtaining a preview API key for hosted testing.