# Anthropic launches Claude Opus 5.5

> Anthropic's new AI model offers better performance at lower cost.
- Title: Anthropic launches Claude Opus 5.5 · Mashable | Shortify
- Summary: Anthropic's new AI model offers better performance at lower cost. Anthropic released Claude Opus 5.5, an AI model that performs at roughly the same level as…
- Keywords: anthropic, claude, opu5.5, pricing, safety, technology, culture, launches, Opus, Mashable
- Source: Mashable — https://mashable.com/tech/claude-opus-launch-promises-better-performance-cheaper-price
- Author: Chance Townsend
- Published: 2026-09-22T17:12:14+00:00
- Read time: 1 min
- Topics: anthropic, claude, opu5.5, ai, pricing, safety, technology, culture
## Anthropic releases Claude Opus 5.5
Anthropic launched Claude Opus 5.5, the first in its new Claude 5.5 family, on Tuesday, Sept. 22.
## Opus 5.5 costs 40% less than Opus 5
Opus 5.5 runs about 40 percent cheaper than Opus 5 on typical workloads, according to Anthropic.
## Opus 5.5 leads in coding and knowledge work
On GDPval-AA v2.1, Opus 5.5 scored 1,846 versus Fable 5.1's 1,735 and Opus 5's 1,708.
## Opus 5.5 outperforms GPT-6 Astra in coding
Opus 5.5 scored 66.4 percent on Terminal-Bench 4.0 versus GPT-6 Astra's 57.9 percent.
## Opus 5.5 improves safety and cybersecurity
Opus 5.5 includes better cybersecurity and biology safeguards compared to Opus 5, with new Life Sciences Verification Program.
## Opus 5.5 may have evaluation bias
Anthropic noted Opus 5.5 sometimes suspects it is under evaluation, making real-world behavior harder to assess.
## Key takeaway

Anthropic released Claude Opus 5.5, an AI model that performs at roughly the same level as Claude Fable 5.1 on most work but costs 40% less to run.