Anthropic
Claude Opus 4.1
Released Aug 5, 2025 · 41B tokens this week · 2 providers
Overview
The previous Opus generation, still excellent at deep analysis and large refactors. Priced at the premium tier and mostly kept around for teams that validated their evaluations against it. Superseded by Opus 4.5 on both quality and cost.
Providers
Reference data — not yet measured from live traffic
| PROVIDER | MAX OUT | OUTPUT /M | QUANT | |||||
|---|---|---|---|---|---|---|---|---|
AnthropicCheapest | 200K | 32K | $15.00 | $75.00 | 239ms | 44 | 99.90% | Full |
Amazon Bedrock | 200K | 32K | $15.75 | $78.75 | 1,340ms | 38 | 99.68% | Full |
Latency p50 reflects a provider’s API endpoint responsiveness — the round-trip to its API, not per-token inference time. These figures, with throughput and uptime, are reference data until the gateway aggregates its own traffic.
Price comparison
Blended $ per 1M tokens
Blended rate per 1M tokens, weighted one part prompt to three parts completion — roughly the shape of a chat workload. Your mix will move the number.
Call it
OpenAI-compatible — swap the base URL and go
curl https://model.cards/api/v1/chat/completions \
-H "Authorization: Bearer $MODELCARDS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-opus-4.1",
"messages": [
{ "role": "user", "content": "Summarize the tradeoffs of speculative decoding." }
]
}'