Both models tracked across official and reseller platforms. Lowest input price wins on cost-sensitive workloads.
Claude Haiku 4.5
openrouter- / $5.00
Claude Sonnet 5
direct$2.00 / $10.00
Frequently asked questions
Which is cheaper, Claude Haiku 4.5 or Claude Sonnet 5?
Claude Haiku 4.5 and Claude Sonnet 5 pricing data is being verified. ModelPriceLab tracks both daily — sign up for alerts when either changes.
Where does this comparison data come from?
ModelPriceLab crawls official vendor pricing pages and verified third-party platforms daily. Both Claude Haiku 4.5 and Claude Sonnet 5 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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