Claude Opus 4.1 API pricing
2025 Opus release at the original $15/$75 Opus pricing — retired from the Claude API; still sold via Bedrock and Google Cloud.
Input
$15.00
per 1M tokens
Cached input
$1.50
per 1M tokens
Cache write
$18.75
per 1M tokens
Output
$75.00
per 1M tokens
Context window
200K
max output 32K
Prices last synced Aug 20, 2026 from the LiteLLM community price catalog — the same catalog Marginal prices real usage events against, refreshed daily. Hand-checked against the provider's official pricing page on Aug 20, 2026. Spot an error? Tell us.
Pricing notes
- Retired from the Claude API — still sold through AWS Bedrock and Google Cloud at these rates.
What would Claude Opus 4.1 cost you?
Enter your workload — add other models to compare the same traffic across providers.
Your monthly workload
Cache hit rate = share of input tokens served from the provider's prompt cache, billed at the model's cached-input price. Estimates use standard per-token rates — batch discounts, service tiers, and long-context surcharges are not applied.
| Model | Input | Cached input | Output | Per request | Monthly |
|---|---|---|---|---|---|
| Claude Opus 4.1 | $9,000 | $600 | $18,750 | $0.057 | $28,350 |
More from Anthropic
Tracking Claude Opus 4.1 in production?
Marginal prices every call your app actually makes — cached tokens, dated snapshots, model switches included — and slices spend by customer or feature. One track() call to integrate.