Claude Opus 4.8 API pricing
The last Opus 4.x release before Opus 5.
Input
$5.00
per 1M tokens
Cached input
$0.50
per 1M tokens
Cache write
$6.25
per 1M tokens
Output
$25.00
per 1M tokens
Context window
1M
max output 125K
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
- Cache writes $6.25/1M (5m) or $10.00/1M (1h); batch $2.50/$12.50.
What would Claude Opus 4.8 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 4.8 | $3,000 | $200 | $6,250 | $0.019 | $9,450 |
More from Anthropic
Tracking Claude Opus 4.8 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.