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API Pricing

Claude Sonnet 5.5 API pricing

Anthropic’s balanced model for coding and agents.

Workload
Discount

Cheapest route that does exactly this · Chat · 3:1 in/out

$3.20

APIMart−20% vs ref.

Cheapest if you accept a difference

—

Reference · official

$4.00

Anthropic list price

All priced routes

Sorted by the dollar cost of this exact job. Change the job above and the ranking updates.

3 routes · 1.3× between cheapest and most expensive
#Platform · routeJob costvs ref.Platform’s priceSource
Does exactly this job3
1
Not disclosed
$3.20−20%$1.6 / $8 per M tokensapimart.ai/pricing
2
Not disclosed
$4.00±0%$2 / $10 per M tokenswavespeed.ai/models
3
OpenRouterAnthropic
Official
$4.22incl. top-up fee $0.22+5%$2 / $10 per M tokensopenrouter.ai/models
  • Cheapest exact match
  • Approximate: does the job with a difference
  • Reference

Routes without a comparable price

Platform · routeMatchNotesSource
kie.ai“From” onlyFrom $0.8 per M input tokenskie.ai/pricing

Every variant, cheapest route

Exact matches only.

VariantCheapest exact matchPlatform · routeroutes
$3.20APIMart3
$1.90APIMart3

Collected prices for “Claude Sonnet 5.5”

Straight from the ledger: every current price whose listing matches this model, cheapest first per unit.

All prices →

Ranked on price only. We have not measured success rate or speed yet. Prices checked by hand on . Where these prices come from