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Compare AI model prices

Pick two models to compare their input and output prices and see which is cheaper for a workload you define.

Claude Sonnet 5GPT-5.6 Sol
Input / 1M$2$5
Output / 1M$10$30
This request$0.0120$0.0340
Blended / 1M (3:1)$4.00$11.25

Claude Sonnet 5 is 2.8× cheaper for this request.

How it works

They are each model's published list price per 1M tokens, the same prices Somnus bills usage at.

Questions

Where do the prices come from?

They are each model's published list price per 1M tokens, the same prices Somnus bills usage at.

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