Anthropic
claude-opus-4.8-fast
anthropic/claude-opus-4.8-fast
Price per million tokens
- Input
- $12.660
- Output
- $63.300
- Cache write
- $15.825
- Cache read
- $1.266
What you pay. It is what the tokens cost us to buy plus 20%, and your usage page shows what we paid beside what you paid on every request you send.
Limits
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Images
- supported
What it costs to run
| Workload | Input | Output | Cost | Per 1,000 calls |
|---|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.0443 | $44.31 |
| Long document summary | 50,000 | 2,000 | $0.7596 | $759.60 |
| Agent step with tools | 20,000 | 1,500 | $0.3481 | $348.15 |
| 1M in, 1M out | 1,000,000 | 1,000,000 | $75.9600 | $75960.00 |
Calling it
const res = await client.chat.completions.create({ model: "anthropic/claude-opus-4.8-fast", messages: [{ role: "user", content: "Hello" }], });