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Anthropic releases Claude Opus 5.5 with adaptive thinking, warns on code execution risks

By PulseAugur Editorial · [2 sources] ·

Anthropic has released Claude Opus 5.5, a new flagship model designed for complex reasoning and agentic tasks, offering improved intelligence at a lower operational cost compared to its predecessor. This release features an adaptive thinking mechanism that cannot be disabled and replaces manual token budgets with an "effort" parameter. Additionally, a separate development guide highlights the security implications of Claude Code's `--dangerously-skip-permissions` flag, which allows autonomous shell execution and file system modification, emphasizing the need for robust sandboxing and infrastructure controls like Bifrost and Bifrost Edge to mitigate risks. AI

IMPACT Sets a new benchmark for reasoning capabilities and agentic tasks, while highlighting critical security considerations for autonomous AI execution.

RANK_REASON Frontier-lab model release with system card and detailed technical guide. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

Read on dev.to — Claude Code tag →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Anthropic releases Claude Opus 5.5 with adaptive thinking, warns on code execution risks

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
Frontier-lab model release with system card and detailed technical guide. [lever_c_demoted from frontier_release: ic=2 ai=1.0]
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
model release, product, safety
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High
Clearly on-topic for AI-industry coverage.
Story freshness
21 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [2]

  1. dev.to — Claude Code tag TIER_1 English(EN) · Swapnoneel Saha ·

    Claude --dangerously-skip-permissions: A Practical Guide

    <p><a class="article-body-image-wrapper" href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2F7l2w8x3jjm8qbvjk6qu1.png"><img alt="Claude --dangero…

  2. dev.to — Anthropic tag TIER_1 (CA) · Kamya Shah ·

    Claude Opus 5.5: A Practical Guide

    <p><a class="article-body-image-wrapper" href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fbxhhzzgwk1enmo3qzqbs.png"><img alt="Claude Opus 5.5:…

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