Claude Opus 4.8 Fast API price
Other versions: newer: Claude Opus 5 Fast from $6.50 / $32.50. Compare versions
Sold by Cheaper Inference.
The only price here comes from Cheaper Inference, a seller we have not verified (our read). Test it on your own prompts before you rely on it.
Versions
| Version | What it is | Sellers | From, in / out per 1M |
|---|---|---|---|
| Claude Opus 4.8 Fast this pageclaude-opus-4.8-fast | Main listing | 1 | $6.50 / $32.50 |
| Claude Opus 5 Fastclaude-opus-5-fast | Newer generation | 1 | $6.50 / $32.50 |
Why there are several: the undated name can move to a newer build when the developer updates it, while a dated snapshot is meant to stay fixed, which can suit pipelines that need repeatable behaviour; an experimental build tests new features. Sellers price each version separately and not every seller offers every version, so check a seller's own docs for the build it serves.
Cost calculator: where to buy, and what it costs you
Pick a use case, a volume and a provider. Monthly figures assume 30 days.
1,500 input and 400 output tokens per request, 30% of input cached.
- Context window
- 1M1,000,000 tokens
- Cached input
- from $0.65per 1M tokens
- Last checked
- 19 Oct, 19:54 UTC
Price history
Cheapest standard price per 1M tokens, recorded every 6 hours since 16 Oct 2026.
No price change has held for 12 hours since 16 Oct 2026.
More from Anthropic: Claude Opus 5.5 $4.00 · Claude Sonnet 5.5 $2.00 · Claude Fable 5.1 $10.00