To improve our models, we collaborate with a global network of hundreds of physicians across 60 countries, 49 languages, and 26 specialties. Their feedback helps us identify where responses miss important context, sound overly confident, need clearer next steps, or should more
GENERATIVE AI
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GPT-5.5 Instant matches frontier thinking models for health questions
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GPT-5.5 Instant is now on par with our frontier Thinking models for health-related questions.
— OpenAI (@OpenAI) 18 juin 2026
Every week, more than 230 million people turn to ChatGPT with health and wellness questions, and GPT-5.5 Instant is better at recognizing when urgent care may be needed, asking for… pic.twitter.com/WDDzOIV3mgGPT-5.5 Instant is now on par with our frontier Thinking models for health-related questions. Every week, more than 230 million people turn to ChatGPT with health and wellness questions, and GPT-5.5 Instant is better at recognizing when urgent care may be needed, asking for
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North Mini Code on Ollama for local execution with Codex and OpenClaw
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North Mini Code is now supported on @ollama. Now run our model locally and use it with Codex, OpenClaw, and more. Download it here: https:// cohere.link/SVwVbGZ
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Use North Mini Code for free via the OpenRouter API
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You can also use North Mini Code via the @OpenRouter API for free. Experiment with the weights and make it your own creation. Weights: https://cohere.link/9tsaUH8
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4-bit quantization available for open-source agentic model on Mac
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4-bit quantization is now available, making our first open-source agentic coding model small enough to run on a Mac. Get the weights here:
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Open weights models valuable but incentives unclear compared to open source
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I know I keep harping on this theme but open weights models are quite valuable to AI users, and people seem to assume that they will always keep up as training costs grow, but I don’t really understand the incentives as opposed to open source, which was much clearer
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Business model for profitable frontier open weights model training?
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Is there a business model for being profitable off training frontier open weights models? Other people can host, fine-tune, consult etc. as least as cheaply as you can. There are no ancilary product sales & it is fantastically expensive to make compared to most open source work
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Harness engineering replaces prompt engineering as new trend
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Harness engineering is the new prompt engineering.
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Debate on most capable open-weight LLM averaged across benchmarks
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I don’t disagree. Let’s say most capable open-weight LLM when averaged over all major benchmarks (reasoning, coding, logic, tool use, math, knowledge)
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Imminent GPT-5.6 release announced for next Thursday
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Great, looks like next Thursday is going to be huge: imminent release of GPT-5.6