Home / Anthropic / Claude / Claude Opus 4.1
Claude Opus 4.1 API price
anthropic/claude-opus-4.1
The cheapest Claude Opus 4.1 API is $15.00/M input at Official - Anthropic - all 2 providers compared below, per 1M tokens.
FlagshipAnthropic200K context2 sellers
Input
$15.00
per 1M tokens · Official - Anthropic
Output
$75.00
per 1M tokens · Official - Anthropic
Where to buy it
Cheapest Claude Opus 4.1 API providers compared - 2 sellers, from $15.00/M.
| Provider | Input $/M | Output $/M | Cached in |
|---|---|---|---|
| Official - Anthropic | 15.00cheapest | 75.00 | 1.50 |
| Batch | 7.50 | 37.50 | - |
| OpenRouter (aggregator) | 15.00 | 75.00 | 1.50 |
| Batch | 7.50 | 37.50 | 0.750 |
Against its tier
- This model$90.00
- Cheapest · GLM 5.3 Flash$0.29
- Tier median · Kimi K3$9.00
- Dearest · GPT 5.5 Pro (04-23 snapshot)$330.00
#27 of 32 flagship · cheaper than 16%
Details
- Context window
- 200K200,000 tokens
- Developer
- Anthropic
- Sellers
- 2
- Cheapest at
- Official - Anthropic
- Cached input
- $1.50where the source publishes one
- Combined
- $90.00in + out per 1M
- Last checked
- 2026-08-28