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  4. OpenAI executive explains how to pick right GPT
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Benchmarks

OpenAI executive explains how to pick right GPT

The Decoder: OpenAI's Ted Sanders shares a rule of thumb for picking the right GPT-model

OpenAI's Ted Sanders explains where GPT-6.1 Terra fits in the company's GPT lineup. The smaller model outperforms the larger Astra in technical communication and costs far less but trails it in most other areas. Sanders says model size, reasoning effort, and multi-agent systems are distinct dimensions that can’t be reduced to a single "IQ score." The article OpenAI's Ted Sanders shares a rule of thumb for picking the right GPT-model appeared first on The Decoder.

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An OpenAI executive explained how the company approaches naming its language models and provided guidance on selecting between different model options. Model performance varies across different capabilities, with newer and smaller models sometimes outperforming older larger ones through better training data or improved design. The executive outlined a decision framework based on priorities: choosing one model for quality focus, another for moderate price sensitivity, and two alternatives for those prioritizing lower costs, while noting that model size, reasoning capability, and multi-agent systems represent distinct performance dimensions that cannot be reduced to a single score.

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OpenAI announces three big science discoveries and a new way to work with academics

Less than a month after its mass release of hundreds of manuscripts that it said contained solutions to long-standing mathematics questions, OpenAI is back with three more "major" discoveries in math, computer science, and physics. What's different this time is the choice to have external experts that OpenAI describes as "shepherds" guiding the results in computer science and physics, while for the math problem it says that they advised it to release the AI output for researche

Also reported by The Decoder

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Frontier AI labs say their models refuted the Exponential Time Hypothesis. What does that mean?

TechCrunch spoke to the MIT computer scientist charged with explaining OpenAI's latest mind-bending discovery

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Microsoft says its AI tool is better than doctors at diagnosing conditions

Microsoft AI chief Mustafa Suleyman. | Getty Images For years, AI leaders have touted healthcare as one of the clearest examples of where their technology will improve lives. Now "it is finally here," Microsoft AI CEO Mustafa Suleyman tells The Verge. The company claims to have developed an AI-powered tool it says can diagnose conditions up to four times more accurately than human doctors. The findings, published Thursday in one of the world's most prestigious journals, Science,

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Microsoft’s Mustafa Suleyman says its AI outperforms doctors on hard cases as he chases ‘medical superintelligence’

Microsoft’s new AI diagnostic system beat generalist doctors on hard cases, according to a study in Science. But most of the improvement seems to come from the AI models underneath, not from Microsoft’s system itself.

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Working with academic communities to build scientific understanding

OpenAI shares model results on the Kakeya conjecture, Exponential Time Hypothesis, and quantum chromodynamics—and how researchers can verify and build on them.

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Nace AI Releases Drex for Search for AI Agents: 92.05% on BrowseComp-Plus With 12.6 Search Calls

Nace AI has released Drex for Search, which brings its Drex decision models to document search. Drex for Search is a retrieval layer that helps people and agents find evidence. Coding agents such as Claude Code, Codex, Cursor and OpenCode call it through CLI, SDKs, MCP or REST. In Nace’s evaluation, it scores 92.05% on BrowseComp-Plus with GPT-5, using 12.6 search calls per question. TL;DR Size: a hosted search system built to search over 1M+ files. It pairs with an answering model