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.
| # | Platform · route | Job cost | vs ref. | Platform’s price | Source | |
|---|---|---|---|---|---|---|
| Does exactly this job3 | ||||||
| 1 | Not disclosed | $3.20 | −20% | $1.6 / $8 per M tokens | apimart.ai/pricing | |
| 2 | Not disclosed | $4.00 | ±0% | $2 / $10 per M tokens | wavespeed.ai/models | |
| 3 | OpenRouterAnthropic Official | $4.22incl. top-up fee $0.22 | +5% | $2 / $10 per M tokens | openrouter.ai/models | |
- Cheapest exact match
- Approximate: does the job with a difference
- Reference
Routes without a comparable price
| Platform · route | Match | Notes | Source |
|---|---|---|---|
| kie.ai | “From” only | From $0.8 per M input tokens | kie.ai/pricing |
Every variant, cheapest route
Exact matches only.
| Variant | Cheapest exact match | Platform · route | routes |
|---|---|---|---|
| $3.20 | APIMart | 3 | |
| $1.90 | APIMart | 3 |
Collected prices for “Claude Sonnet 5.5”
Straight from the ledger: every current price whose listing matches this model, cheapest first per unit.
Ranked on price only. We have not measured success rate or speed yet. Prices checked by hand on . Where these prices come from