claude-opus-4-5 API Pricing
claude-opus-4-5 on Anthropic costs $5.00 per 1M input tokens and $25.00 per 1M output tokens (as of ).
| Input | $5.00 / 1M tokens |
|---|---|
| Output | $25.00 / 1M tokens |
| Cached input (read) | $0.50 |
| Cache write | $6.25 |
| Batch input / output | $2.50 / $12.50 |
| Above 200K tokens (input / output) | — |
| Context window | 200K tokens |
| Max output | 64K tokens |
| Supports | vision, tool calling, reasoning, prompt caching |
| Deprecation date | None listed |
| API model id | claude-opus-4-5 |
| In our records since |
What it costs for common jobs
Estimated from the list price above (no caching or batch discount).
| Job | Estimated cost |
|---|---|
| 1,000 chat replies (2,000 tokens in, 500 out each) | $22.50 |
| Summarising 100 long documents (50,000 in, 1,000 out each) | $27.50 |
| 1 million classification calls (300 in, 5 out each) | $1625.00 |
Try your own numbers in the LLM API cost calculator.
Price history
- Between and : batch input price changed from — to $2.50 per 1M tokens.
Similarly priced models
| Model | Provider | Input / 1M | Output / 1M | Cached input / 1M | Context |
|---|---|---|---|---|---|
| claude-opus-4-6 | Anthropic | $5.00 | $25.00 | $0.50 | 1M |
| claude-opus-4-7 | Anthropic | $5.00 | $25.00 | $0.50 | 1M |
| claude-opus-4-8 | Anthropic | $5.00 | $25.00 | $0.50 | 1M |
| claude-opus-5 | Anthropic | $5.00 | $25.00 | $0.50 | 1M |
| claude-opus-5-5 | Anthropic | $4.00 | $20.00 | $0.20 | 1M |
| claude-sonnet-4-5 | Anthropic | $3.00 | $15.00 | $0.30 | 200K |
| claude-sonnet-4-6 | Anthropic | $3.00 | $15.00 | $0.30 | 1M |
| claude-sonnet-5 | Anthropic | $2.00 | $10.00 | $0.20 | 1M |