BenchLeader
AmazonReasoning model

Claude Opus 4.5 (EU)

Claude Opus 4.5 (EU) is an Amazon proprietary reasoning model, released 24 Nov 2025. It is not yet ranked: no independent benchmark results so far, only pricing and metadata. At $11.00 per million tokens blended it is among the most expensive ranked models.

Blended price
$11.00/M
$5.50 in · $27.50 out
Output speed
First answer
Context
200k
Released
24 Nov 2025

Versions

Amazon has shipped 5 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.

ModelReleasedIndexRank
Claude Opus 5 (EU)24 Jul 2026
Claude Opus 4.8 (EU)28 May 2026
Claude Opus 4.7 (EU)16 Apr 2026
Claude Opus 4.6 (EU)5 Feb 2026
Claude Opus 4.5 (EU)this page24 Nov 2025

No independent quality benchmark results yet — only pricing and metadata.

What a task costs

Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache at $0.550 per 1M. Reasoning tokens are not modelled.

WorkloadTokens in / outCostWith cachingTime
Chat reply400 / 300$0.010$0.0090
Summarise a 30-page report12,000 / 600$0.083$0.038
Code edit6,000 / 1,500$0.074$0.052
Agentic coding session60,000 / 4,000$0.440$0.217
Structured extraction2,000 / 200$0.017$0.0091

See also

Data as of 13 Sept 2026. Compare with another model.

Cite as: BenchLeader, “Claude Opus 4.5 (EU): benchmarks, pricing, speed and rank”, https://www.benchleader.com/models/eu-anthropic-claude-opus-4-5, data as of 13 Sept 2026.