Both models tracked across official and reseller platforms. Lowest input price wins on cost-sensitive workloads.
DeepSeek R1
openrouter$0.70 / $2.50
GPT-5.5 Pro
direct$30.00 / $180.00
Frequently asked questions
Which is cheaper, DeepSeek R1 or GPT-5.5 Pro?
DeepSeek R1 is +4186% cheaper than GPT-5.5 Pro on input tokens ($0.70 vs $30.00 per 1M). On output, DeepSeek R1 also wins ($2.50 vs $180.00).
Where does this comparison data come from?
ModelPriceLab crawls official vendor pricing pages and verified third-party platforms daily. Both DeepSeek R1 and GPT-5.5 Pro are tracked on the same schedule.
Can I get notified when either price changes?
Yes — Pro subscribers receive email alerts when input or output prices change for any tracked model.
Want this kind of view for your own stack? Try Pro.
