Claude Sonnet 4
As of Oct 4, 2026, the cheapest Claude Sonnet 4 API price is $2.6 per 1M input tokens (Poe) and $13 per 1M output tokens (Poe). Claude Sonnet 4 is offered by 15 providers in the claude-sonnet family, reasoning enabled.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Poe | Cheapest$2.6 | Cheapest$13 | $0.26 | $3.2 | 983k | — |
| Cortecs | $2.989 | $14.945 | $0.296 | $3.707 | 200k | 3d agoout +3.1% |
| Abacus | $3 | $15 | — | — | 200k | — |
| DigitalOcean | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| FastRouter | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Helicone | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Kilo Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Merge Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| NanoGPT | $3 | $15 | $0.3 | — | 200k | — |
| OpenCode Zen | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| OpenRouter | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Requesty | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| SAP AI Core | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Vercel AI Gateway | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| ZenMux | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
Claude Sonnet 4 pricing FAQ
What is the cheapest Claude Sonnet 4 API?
As of Oct 4, 2026, Poe has the lowest Claude Sonnet 4 output price at $13 per 1M tokens, and Poe has the lowest input price at $2.6 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How many providers offer Claude Sonnet 4?
15 providers list Claude Sonnet 4 on Sovyron; 15 of them sell it at a metered per-token price.
Is Claude Sonnet 4 free?
No provider in the Sovyron catalog lists a free tier for Claude Sonnet 4.
What is the context window of Claude Sonnet 4?
Claude Sonnet 4 supports a 1.0M-token context window and up to 65k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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