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Claude Opus 4 API price
Claude Opus 4
The cheapest Claude Opus 4 API is $15.00/M input at Official - Anthropic - all 2 providers compared below, per 1M tokens.
FlagshipAnthropic2 sellers
Input
$15.00
per 1M tokens · Official - Anthropic
Output
$75.00
per 1M tokens · Official - Anthropic
Where to buy it
Cheapest Claude Opus 4 API providers compared - 2 sellers, from $15.00/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| Official - Anthropic | 15.00cheapest | 75.00 | 1.50 | |
| Batch | 7.50 | 37.50 | - | |
| OpenRouter (aggregator)stale | 15.00 | 75.00 | 1.50 |
Against its tier
- This model$90.00
- Cheapest · GLM 5.3 Flash$0.29
- Tier median · Gemini 3.1 Pro$11.90
- Dearest · GPT 5.5 Pro (04-23 snapshot)$210.00
#34 of 39 flagship · cheaper than 13%
Details
- Context window
- -not published
- Developer
- Anthropic
- Sellers
- 2
- Cheapest at
- Official - Anthropic
- Cached input
- $1.50where the source publishes one
- Combined
- $90.00in + out per 1M
- Last checked
- 2026-09-17