Home / Anthropic / Claude / Claude Sonnet 4
Claude Sonnet 4 API price
claude-sonnet-4
The cheapest Claude Sonnet 4 API is $3.00/M input at Official - Anthropic - all 3 providers compared below, per 1M tokens.
MidAnthropic3 sellers
Input
$3.00
per 1M tokens · Official - Anthropic
Output
$15.00
per 1M tokens · Official - Anthropic
Where to buy it
Cheapest Claude Sonnet 4 API providers compared - 3 sellers, from $3.00/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| Official - Anthropic | 3.00cheapest | 15.00 | 0.300 | |
| Batch | 1.50 | 7.50 | - | |
| OpenRouter (aggregator)stale | 3.00 | 15.00 | 0.300 | |
| TokenRouter (aggregator) | 3.00 | 15.00 | 0.300 |
Against its tier
- This model$18.00
- Cheapest · Nemotron 3.5 Content Safety$0.40
- Tier median · GLM 5$4.20
- Dearest · GPT 5.5 Cyber$87.50
#30 of 34 mid · cheaper than 12%
Details
- Context window
- -not published
- Developer
- Anthropic
- Sellers
- 3
- Cheapest at
- Official - Anthropic
- Cached input
- $0.30where the source publishes one
- Combined
- $18.00in + out per 1M
- Last checked
- 2026-09-17