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OpenAI says old prompts are holding GPT-5.5 back and developers need a fresh baseline

OpenAI has released a prompting guide for GPT-5.5 with one major takeaway: don't reuse your old prompts. Start fresh with minimal, result-focused instructions. And role definitions, once dismissed as ...
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GPT-5.5 tops benchmarks but still hallucinates frequently at a 20 percent higher API cost

Update from April 25, 2026: GPT-5.5 also stumbles on the BullshitBench. The benchmark throws 100 questions at a model across five fields—software, finance, law, physics, and medicine—that sound ...
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Anthropic says stronger AI models cut better deals, and the losers don't even notice

In a week-long experiment, Anthropic let Claude agents buy and sell goods for employees. The result: stronger models negotiated better prices. The catch: the people stuck with weaker agents had no ...
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The UAE wants half its government run by autonomous AI agents within two years

The United Arab Emirates is rolling out what may be the world's most ambitious government AI overhaul. Within two years, the country wants 50 percent of all government sectors, services, and processes ...
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Cohere takes over Aleph Alpha shortly after the German startup ousted its original founder

Canadian AI company Cohere is acquiring Heidelberg-based startup Aleph Alpha, with the combined company valued at around $20 billion. The Schwarz Group is investing $600 million and providing the ...
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Ex-OpenAI researcher Jerry Tworek launches Core Automation to build the most automated AI lab in the world

Jerry Tworek, a former OpenAI researcher, has unveiled his new AI lab, "Core Automation," with the goal of building "the most automated AI lab in the world," starting by automating its own research.
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As agentic AI pushes rivals to raise prices and cap usage, Deepseek ships a good-enough model for almost nothing

Chinese AI lab Deepseek has released V4-Pro and V4-Flash as open-weight models with up to 1.6 trillion parameters and a one-million-token context window. A new architecture dramatically cuts the ...
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Anthropic confirms Claude Code problems and promises stricter quality controls

Following user complaints about declining quality in Claude Code, Anthropic identified and fixed three separate bugs affecting reasoning depth, caching, and text length restrictions. To prevent ...
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Google builds elite team to close the coding gap with Anthropic

Google is doubling down on AI coding, using more AI internally and aiming for models that can eventually improve themselves. Google Deepmind has put together a specialized team of researchers and ...
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Sony AI builds the first robot to reach expert level in a sport

Sony's table tennis robot "Ace" is the first robot to reach expert-level performance in a sport, according to the company. In matches played under the official rules of the International Table Tennis ...
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Unauthorized users breach Anthropic's restricted Mythos AI model

A small group of unauthorized users gained access to Anthropic's new AI model Claude Mythos, Bloomberg reports. Anthropic considers Mythos powerful enough to enable dangerous cyberattacks, which is ...
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Open-weight Kimi K2.6 takes on GPT-5.4 and Claude Opus 4.6 with agent swarms

Moonshot AI has released Kimi K2.6 as an open-weight model. It's built to match GPT-5.4 and Claude Opus 4.6 on coding benchmarks, and it can run up to 300 agents in parallel. Moonshot AI says K2.6 ...