Onmsft2026-09-22 20:24:04

Anthropic launches Claude Opus 5.5 with Fable 5.1-level performance, 40% lower costs and faster coding

Anthropic has launched Claude Opus 5.5, the first model in its new Claude 5.5 family.

Summary

The company says the model delivers performance comparable to Claude Fable 5.1 on most work, while costing 40% less to run than Opus 5 on typical workloads.

newsclaudeanthropicai

This summary is a partial excerpt — the source's own feed cuts off here. Read the full story at Onmsft for the rest.

KazaSec's take

Stories like this are part of why proactive security testing exists — finding the gap before someone else does is always cheaper than responding after the fact.

Coverage details

Source: Onmsft
Published: 2026-09-22 20:24:04
Author: rishaj upadhyay
Category: technologytop

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