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Claude Sonnet 4 API price
anthropic/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.
MidAnthropic1M context3 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.
| Provider | Input $/M | Output $/M | Cached in |
|---|---|---|---|
| Official - Anthropic | 3.00cheapest | 15.00 | 0.300 |
| Batch | 1.50 | 7.50 | - |
| OpenRouter (aggregator) | 3.00 | 15.00 | 0.300 |
| TokenRouter (aggregator) | 3.00 | 15.00 | 0.300 |
Against its tier
- This model$18.00
- Cheapest · Nemotron 3 Super 120B A12B$0.485
- Tier median · Grok 4.3 Latest$3.75
- Dearest · GPT 5.5 Cyber$87.50
#28 of 33 mid · cheaper than 16%
Details
- Context window
- 1M1,000,000 tokens
- Developer
- Anthropic
- Sellers
- 3
- Cheapest at
- Official - Anthropic
- Cached input
- $0.30where the source publishes one
- Combined
- $18.00in + out per 1M
- Last checked
- 2026-08-28