Both models tracked across official and reseller platforms. Lowest input price wins on cost-sensitive workloads.
GPT-5.6 Luna
direct$1.00 / $6.00
gemini-3.5-flash
official$9.00 / $16.20
Frequently asked questions
Which is cheaper, GPT-5.6 Luna or gemini-3.5-flash?
GPT-5.6 Luna is +800% cheaper than gemini-3.5-flash on input tokens ($1.00 vs $9.00 per 1M). On output, GPT-5.6 Luna also wins ($6.00 vs $16.20).
Where does this comparison data come from?
ModelPriceLab crawls official vendor pricing pages and verified third-party platforms daily. Both GPT-5.6 Luna and gemini-3.5-flash 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.
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