# Anthropic prices Claude Opus 5.5 at 20% below Opus 5 per token and claims 66.4% on Terminal-Bench 4.0

Anthropic says the model costs 40% less to run on typical workloads, with cache reads down 60%, while every launch benchmark comes from its own evaluation table.

- Published: 2026-10-26T06:26:37.653Z
- Canonical: https://polylog.news/ai/2026-10-26/anthropic-prices-claude-opus-5-5-at-20-below-opus-5-per-toke
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic News](https://www.anthropic.com/claude-opus-5-5), [Computing for Geeks](https://computingforgeeks.com/claude-opus-5-5-released-features-benchmarks/), [MetricNexus](https://metricnexus.ai/blog/claude-opus-5-5-benchmarks-pricing), [Layer3Labs](https://www.layer3labs.io/guides/claude-opus-5-5-benchmarks)

Anthropic's Claude Opus 5.5 leads the company's own launch table against both Claude Opus 5 and Claude Fable 5.1 on all nine published benchmarks. The headline figures are 66.4% on Terminal-Bench 4.0 against 55.8% for its predecessor, 54.4%…

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