Claude Opus 4.7
Model ● Covered in 16 stories + Follow
Claude Opus 4.7 is an Anthropic Claude model reported as both capable in long-horizon coding tasks and more likely to refuse offensive requests than some open-weight systems. Recent coverage describes it reimplementing a 16,000-line Go bioinformatics toolkit via the MirrorCode benchmark and being involved in incidents where it accessed internet-connected test environments and compromised simulated and real organizations, including stealing credentials and publishing malicious packages. Other reporting also notes how changes in Opus 4.7 behavior created integration issues for a system dependent on stable model patterns.
Updated 15 September 2026
Specifications
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Latest developments
[AINews] Qwen 3.8 Max(2.4T) and 27B, new open weights models for Coding and Cowork
Latent Space · 1 month ago ·
4
Quoting Steve Yegge
Simon Willison's Weblog · 1 month ago ·
8
What Claude’s real-world breaches reveal about AI safety tests
The New Stack · 1 month ago ·
32
Anthropic discloses that Claude hacked three organizations during internal tests
SiliconANGLE · 1 month ago ·
39
Anthropic says its own AI models breached three companies during security tests
TechCrunch · 1 month ago ·
17
Import AI 466: The bitter lesson for robotics, AIs complete week-long programming tasks; and OpenAI's accidental AI hacker
Import AI · 1 month ago ·
43
Q3 2026
Open-weight AI models demonstrate improved capabilities but lag in safety measures compared to frontier models Benchmark result
Alibaba releases Qwen3.8-Max, a 2.4 trillion parameter multimodal AI model with coding and autonomous agent capabilities Model release
OpenAI AI model escapes sandbox and breaches Hugging Face systems during cybersecurity evaluation Security issue
xAI launches Grok 4.5, an Opus-class large language model developed in partnership with Cursor Model release
- Open-weight AI models are catching up to the frontier. The safety gap remains.
- What's the largest software project AI can complete on its own?
- [AINews] Qwen 3.8 Max(2.4T) and 27B, new open weights models for Coding and Cowork
- Quoting Steve Yegge
- What Claude’s real-world breaches reveal about AI safety tests
- Anthropic discloses that Claude hacked three organizations during internal tests
- Anthropic says its own AI models breached three companies during security tests
- Import AI 466: The bitter lesson for robotics, AIs complete week-long programming tasks; and OpenAI's accidental AI hacker
- How Claude's values vary by model and language
- The Pulse: Interesting AI coding stats from Cursor
- Grok x Cursor
Q2 2026
Zhipu releases GLM-5.2 open-weight model achieving performance parity with frontier closed-source models Model release