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High Signal (4-5)clear
3149 articles — page 13 of 105
2. Anthropic – Claude Opus 4.7
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Claude Opus 4.7 advances Anthropic's highest-capability model tier with improved reasoning, instruction following, and performance on complex multi-step tasks.

Announcement link
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- OpenAI blog announcement (GPT‑5.5 with Trusted Access for Cyber).[1]

Model / org
|model|perplexity

- **GPT‑5.5 (Cyber‑focused deployment)** – OpenAI[1]