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Claude Opus 5 Fast API price
anthropic/claude-opus-5-fast
The cheapest Claude Opus 5 Fast API is $10.00/M input at OpenRouter (aggregator) - all 2 providers compared below, per 1M tokens.
FlagshipAnthropic1M context2 sellers
Input
$10.00
per 1M tokens · OpenRouter (aggregator)
Output
$50.00
per 1M tokens · OpenRouter (aggregator)
Where to buy it
Cheapest Claude Opus 5 Fast API providers compared - 2 sellers, from $10.00/M.
| Provider | Input $/M | Output $/M | Cached in |
|---|---|---|---|
| OpenRouter (aggregator) | 10.00cheapest | 50.00 | 1.00 |
| TokenRouter (aggregator) | 10.00 | 50.00 | 1.00 |
Against its tier
- This model$60.00
- Cheapest · GLM 5.3 Flash$0.29
- Tier median · Grok 4.6$8.00
- Dearest · GPT 5.5 Pro (04-23 snapshot)$330.00
#25 of 31 flagship · cheaper than 20%
Details
- Context window
- 1M1,000,000 tokens
- Developer
- Anthropic
- Sellers
- 2
- Cheapest at
- OpenRouter (aggregator)
- Cached input
- $1.00where the source publishes one
- Combined
- $60.00in + out per 1M
- Last checked
- 2026-08-28