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Claude Opus 4.5 API price
anthropic/claude-opus-4.5
The cheapest Claude Opus 4.5 API is $5.00/M input at Official - Anthropic - all 4 providers compared below, per 1M tokens.
FlagshipAnthropic200K context4 sellers
Input
$5.00
per 1M tokens · Official - Anthropic
Output
$25.00
per 1M tokens · Official - Anthropic
Where to buy it
Cheapest Claude Opus 4.5 API providers compared - 4 sellers, from $5.00/M.
| Provider | Input $/M | Output $/M | Cached in |
|---|---|---|---|
| Official - Anthropic | 5.00cheapest | 25.00 | 0.500 |
| Batch | 2.50 | 12.50 | - |
| OpenRouter (aggregator) | 5.00 | 25.00 | 0.500 |
| Batch | 2.50 | 12.50 | 0.250 |
| OrcaRouter (aggregator) | 5.00 | 25.00 | - |
| TokenRouter (aggregator) | 5.00 | 25.00 | 0.500 |
Against its tier
- This model$30.00
- Cheapest · GLM 5.3 Flash$0.29
- Tier median · Kimi K3$9.00
- Dearest · GPT 5.5 Pro (04-23 snapshot)$330.00
#20 of 32 flagship · cheaper than 39%
Details
- Context window
- 200K200,000 tokens
- Developer
- Anthropic
- Intelligence
- 41.9Reasoning
- Sellers
- 4
- Cached input
- $0.50where the source publishes one
- Cheapest at
- Official - Anthropic
- Combined
- $30.00in + out per 1M
- Last checked
- 2026-08-28