Model
A program whose behavior was learned from examples rather than written out as rules by a person.
Ordinary software follows instructions somebody typed. A model is built the other way around: it is shown a great many examples and adjusts itself until it produces answers that fit them. What comes out is a large file of numbers, not a list of steps a person could read. That is why the people who build models can describe how one was made in detail and still be unable to say why it gave a particular answer.
Where it mattered in the record
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Reflection AI launches Beam
On 5 October 2026 Reflection AI introduced Beam, its 501B-parameter open-weight model with 23B active parameters and 1M tokens of effective context. Beam stays in final red-teaming; weights will follow this month.
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Aleph Alpha releases open-weight model Kolibri
On 3 October 2026 Aleph Alpha released Kolibri, an English-German mixture-of-experts Transformer with 78.1B total parameters and 3.46B active, under Apache 2.0 on Hugging Face. Context reaches 1M tokens, and Merlin-Arthur withholds answers the context does not support.
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Google releases Gemini 4 Argon
On 30 September 2026 Google launched Gemini 4 Argon, a frontier model for software engineering and cybersecurity defense. It is rolling out first to trusted cyber defenders through the Fairwind Program, with wider access to follow.
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Jensen Huang defends AI distillation as competition
On 28 September 2026 Nvidia CEO Jensen Huang told CNBC’s Squawk Box that training AI models on rivals’ outputs is ‘not robbery’: ‘That’s called competition.’ ‘You’re allowed to test somebody else’s products all you want,’ he said. Nvidia’s products get stripped ‘down to bones.’
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Xiaomi releases open-weight MiMo-V2.6
On 22 September 2026 Xiaomi released MiMo-V2.6 as open weights, continuing its push into frontier-class open models.
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xAI releases Grok 4.7
On 21 September 2026 xAI, now branded SpaceXAI, released Grok 4.7, the latest iteration of its frontier model, continuing its weekly-scale release pace.
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TypeSafe launches Jev, a model family built for deep work
On 18 September 2026 TypeSafe released Jev, a new model built for extended independent work, alongside its System One models; developers reported strong coding results within days.
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Anthropic publishes September threat-intelligence report
On 10 September 2026 Anthropic published a 154-page threat-intelligence report on malicious uses of Claude it stopped between December 2025 and August 2026, across cyber operations, surveillance, fraud, weapons work, and illicit model distillation.