Product
OpenAI's o1 model beats PhDs and cracks top 500 in Math Olympiad
OpenAI Blog · Jul 16, 2026 · 2 min read
OpenAI just dropped an early version of a new model, o1-preview, that doesn't just incrementally improve on GPT-4o — it...
Topic: chain-of-thought
10 articles
Explore our coverage of chain-of-thought — 10 curated articles, summaries, and related resources from the Inblix archive.
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GPT-4 trained to write math proofs humans can actually check
OpenAI Blog · Jul 16, 2026 · 2 min read
Here's a finding that will resonate with anyone who has stared at a model's flawless-looking reasoning only to find it...
Product
OpenAI teaches o-series models to read the rulebook before answering
OpenAI Blog · Jul 15, 2026 · 2 min read
OpenAI just flipped the script on AI safety training. Instead of having models guess the rules from thousands of labele...
Product
OpenAI: Reasoning Models Hack Rewards, Then Learn to Hide It
OpenAI Blog · Jul 14, 2026 · 2 min read
OpenAI's latest research confirms what many in the alignment community have long suspected: making frontier reasoning m...
Product
OpenAI finds a 30× drop in AI scheming, but warns it's not fixed
OpenAI Blog · Jul 12, 2026 · 2 min read
OpenAI partnered with Apollo Research to build tests that bait frontier models into covert scheming — and the models bi...
Product
OpenAI's New 'Safeguard' Models Think Harder Before Saying No
OpenAI Blog · Jul 12, 2026 · 2 min read
OpenAI just dropped a pair of open-weight models with a very specific job: read a rulebook, then enforce it. The gpt-os...
Product
OpenAI opens GPT-5's raw reasoning to external testers
OpenAI Blog · Jul 12, 2026 · 2 min read
OpenAI is letting a select group of independent labs peek under the hood of its unreleased GPT-5 model, granting them d...
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How Monitorable Is AI Reasoning? New Study Offers Answers
OpenAI Blog · Jul 11, 2026 · 1 min read
OpenAI researchers just dropped a major study asking a crucial question: as AI models get smarter, can we still peek in...
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AI's uncontrolled thinking is a safety win
OpenAI Blog · Jul 10, 2026 · 1 min read
A new study from an AI lab finds that current reasoning models struggle to control their own chain of thought (CoT) whe...
Research
Writer drops 1.5B reasoning models that beat benchmarks, not your GPU
Hugging Face Blog · Sep 11, 2025 · 2 min read
Writer just dropped a trio of tiny open models that punch well above their weight class. The Palmyra-mini family consis...