The pricing side of Claude Sonnet 4 in one view: live rates, workload examples, cheaper alternatives, and direct paths into the calculator tools.
Rate card
$3.00/M in · $15.00/M out
Market rank
#77
LLM
Context
200.0K tokens
64.0K max output
Access
Hosted API
Anthropic
Cost Estimator
$24.03/month more than category average
Models from the same market that come in below Claude Sonnet 4's current unit price.
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StepFun
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This page concentrates the cost side of Claude Sonnet 4 into one place: live rates, workload examples, market context, lower-cost alternatives, and direct links to the dedicated calculator tools.
Use it to spot the models that undercut Claude Sonnet 4 on price while staying in the same category. From there, jump into the calculator or the full model page to decide whether the quality tradeoff is worth it.
Yes. The same live pricing feeds that power the homepage, calculators, and provider pages also drive this pricing page.