Model record / Anthropic
Access claude-opus-5-fast from Anthropic through one OpenAI-compatible API with live market-linked pricing and usage-based billing.
Observed reliability
97.14
Output speed
—
This model averaged 30.0% below comparable direct provider prices across the selected range. Its strongest observed window was 11:00 PM–9:00 PM in UTC.
Average saved
30.0%
Cheapest time
11:00 PM–9:00 PM
Hourly coverage
23/24
Signal quality
Growing
Hover a bar for savings per token and observation counts.
Source buckets are UTC; labels are converted to UTC.
Last 24 hours
#58
of 60 ranked models
Last 7 days
#54
of 60 ranked models
Last 30 days
#53
of 60 ranked models
p95 latency
31,557
Evidence strength
—
curl https://api.cheaperinference.com/v1/chat/completions \ -H "Authorization: Bearer ci_live_YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "claude-opus-5-fast", "messages": [{"role": "user", "content": "Hello!"}] }'