Thursday, April 23, 2026

The day in AI

The KeyNews.AI edition for Thursday, April 23, 2026 leads with “GPT-5.5”, reported by Hacker News and ranked 95 out of 100 by KeyRank. Also in the top 10: “Cognition, creator of the AI software engineer Devin, in talks to raise ‘hundreds of millions’ at $25B valuation”, “OpenAI releases GPT-5.5 with advanced math, coding capabilities”, “OpenAI Releases GPT-5.5, a Fully Retrained Agentic Model That Scores 82.7% on Terminal-Bench 2.0 and 84.9% on GDPval” and “Meta to cut 10% of jobs to ‘offset’ Zuckerberg’s AI spending”. Across the 5 desks, 135 stories cleared the KeyRank bar, with Work the busiest at 52 and Tools next at 34. Further down the list: “OpenAI Releases ‘Spud’ GPT-5.5 Model”, “OpenAI unveils GPT-5.5, claims a "new class of intelligence" at double the API price” and “DeepSeek-V4: a million-token context that agents can actually use”. Every story links to the original report and to its KeyNews brief.