# Claude Sonnet 4 API prices

Claude Sonnet 4 (claude-sonnet) — 1.0M context, 65k max output.
15 metered per-token offers from 15 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Poe | $2.6 | $13 | $0.26 | 983k |
| Cortecs | $2.989 | $14.945 | $0.296 | 200k |
| Abacus | $3 | $15 | — | 200k |
| DigitalOcean | $3 | $15 | $0.3 | 1.0M |
| FastRouter | $3 | $15 | $0.3 | 200k |
| Helicone | $3 | $15 | $0.3 | 200k |
| Kilo Gateway | $3 | $15 | $0.3 | 200k |
| Merge Gateway | $3 | $15 | $0.3 | 200k |
| NanoGPT | $3 | $15 | $0.3 | 200k |
| OpenCode Zen | $3 | $15 | $0.3 | 1.0M |
| OpenRouter | $3 | $15 | $0.3 | 200k |
| Requesty | $3 | $15 | $0.3 | 1.0M |
| SAP AI Core | $3 | $15 | $0.3 | 200k |
| Vercel AI Gateway | $3 | $15 | $0.3 | 1.0M |
| ZenMux | $3 | $15 | $0.3 | 1.0M |

## Summary

- Cheapest input: $2.6 per 1M tokens (Poe)
- Cheapest output: $13 per 1M tokens (Poe)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2025-05-22
- Inputs: image, pdf, text

## 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.

HTML page: https://sovyron.com/models/claude-sonnet-4/
Full dataset: https://sovyron.com/data/catalog.json