Home / Anthropic / Claude / Claude Sonnet 5.5
Claude Sonnet 5.5 API price
anthropic/claude-sonnet-5.5
The cheapest Claude Sonnet 5.5 API is $2.00/M input at Official - Anthropic - all 3 providers compared below, per 1M tokens.
MidAnthropic1M context3 sellers
Input
$2.00
per 1M tokens · Official - Anthropic
Output
$10.00
per 1M tokens · Official - Anthropic
Where to buy it
Cheapest Claude Sonnet 5.5 API providers compared - 3 sellers, from $2.00/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| Official - Anthropic | 2.00cheapest | 10.00 | 0.200 | |
| Batch | 1.00 | 5.00 | - | |
| OpenRouter (aggregator) | 2.00 | 10.00 | 0.200 | |
| Batch | 1.00 | 5.00 | 0.100 | |
| TokenRouter (aggregator) | 2.00 | 10.00 | 0.200 |
Against its tier
- This model$12.00
- Cheapest · Nemotron 3.5 Content Safety$0.40
- Tier median · Kimi K2.7 Code$3.9562
- Dearest · GPT 5.5 Cyber$87.50
#28 of 35 mid · cheaper than 21%
Details
- Context window
- 1M1,000,000 tokens
- Developer
- Anthropic
- Intelligence
- 56.0 Adaptive Reasoning, Max Effort, Default Fallback
- Sellers
- 3
- Cached input
- $0.20where the source publishes one
- Cheapest at
- Official - Anthropic
- Combined
- $12.00in + out per 1M
- Last checked
- 2026-09-29