AI Research Atlas https://atlas.prashish.com/podcast The day and the week in AI, read by Prashish Rajbhandari. Each episode is a daily or weekly brief from the AI Research Atlas about what launched, who moved and why it matters. The briefs are written from the sources and checked against them, and the written versions with every source are at atlas.prashish.com. en © 2026 Prashish Rajbhandari Wed, 07 Oct 2026 21:00:00 +0000 Prashish Rajbhandari Prashish Rajbhandari false episodic 1103e651-4ae8-5f3b-acc7-691fa58c40f6 https://atlas.prashish.com/og/podcast-cover-061bbe898d.pngAI Research Atlashttps://atlas.prashish.com/podcast The week in AI · 5 to 11 October 2026https://atlas.prashish.com/weeks/2026-10-05https://atlas.prashish.com/weeks/2026-10-05Wed, 07 Oct 2026 21:00:00 +0000OpenAI published 722 mathematics manuscripts on 6 October, grouped into 372 families of results, all produced by an internal model it has not released. Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-10-051317fullfalse OpenAI published 722 math manuscripts from an unreleased model, and launched GPT-6 in ChatGPThttps://atlas.prashish.com/daily/2026-10-07https://atlas.prashish.com/daily/2026-10-07Wed, 07 Oct 2026 21:00:00 +0000OpenAI published 722 mathematics manuscripts, grouped into 372 families of related results, all produced by an internal frontier model it has not released. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-07283fullfalse Mistral previewed Large 4, a 1 trillion parameter model, with open weights due Octoberhttps://atlas.prashish.com/daily/2026-10-06https://atlas.prashish.com/daily/2026-10-06Tue, 06 Oct 2026 21:00:00 +0000Mistral AI opened a preview API for Mistral Large 4, a 1 trillion parameter multimodal model, and says open weights will follow by the end of October. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-06293fullfalse Reflection AI announced Beam, a 501B open-weight model with 23B active parametershttps://atlas.prashish.com/daily/2026-10-05https://atlas.prashish.com/daily/2026-10-05Mon, 05 Oct 2026 21:00:00 +0000Reflection AI announced Beam on 5 October, its first model, a 501 billion parameter open-weight model that uses 23 billion parameters per token and targets coding and agent work. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-05275fullfalse The week in AI · 28 September to 4 October 2026https://atlas.prashish.com/weeks/2026-09-28https://atlas.prashish.com/weeks/2026-09-28Sun, 04 Oct 2026 21:00:00 +0000Google released Gemini 4 Argon to vetted cyber defenders first, and Anthropic and OpenAI shipped Claude Sonnet 5.5 and GPT-6.1 Sol at $2/$10 per million tokens. Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-09-281214fullfalse Cantina released apex-flash-1, an open security model solving 40 of 60 vulnerability taskshttps://atlas.prashish.com/daily/2026-10-04https://atlas.prashish.com/daily/2026-10-04Sun, 04 Oct 2026 21:00:00 +0000Cantina released apex-flash-1 on 1 October, an MIT-licensed open-weights security model that it says solved 40 of 60 held-out vulnerability tasks. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-04253fullfalse Aleph Alpha released Kolibri, an open-weight English-German model with 78B parametershttps://atlas.prashish.com/daily/2026-10-03https://atlas.prashish.com/daily/2026-10-03Sat, 03 Oct 2026 21:00:00 +0000Aleph Alpha released Kolibri on 3 October, an English and German mixture of experts model with 78B total parameters and about 3B active, under Apache 2.0. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-03251fullfalse OpenAI safety lead David Robinson quits a day after three safety researchers are firedhttps://atlas.prashish.com/daily/2026-10-02https://atlas.prashish.com/daily/2026-10-02Fri, 02 Oct 2026 21:00:00 +0000David Robinson, who led safety transparency and system card work in OpenAI's Safety Systems team, quit on 2 October, a day after OpenAI fired three safety researchers. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-02259fullfalse Amazon and Cloudflare released open-weight decision models built on Qwen to rival Jevhttps://atlas.prashish.com/daily/2026-10-01https://atlas.prashish.com/daily/2026-10-01Thu, 01 Oct 2026 21:00:00 +0000Amazon Web Services and Cloudflare each released open-weight decision models on 1 October, small models that return a scored choice from a fixed set of answers. Read the brief, with its sources, at https://atlas.prashish.com/daily/2026-10-01338fullfalse The week in AI · 21 to 27 September 2026https://atlas.prashish.com/weeks/2026-09-21https://atlas.prashish.com/weeks/2026-09-21Sun, 27 Sep 2026 21:00:00 +0000Anthropic released Claude Opus 5.5 on 22 September, cutting its price by 20% to $4 per million input tokens and reporting 66.4% on Terminal-Bench 4.0. Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-09-21543fullfalse The week in AI · 14 to 20 September 2026https://atlas.prashish.com/weeks/2026-09-14https://atlas.prashish.com/weeks/2026-09-14Sun, 20 Sep 2026 21:00:00 +0000On 16 September Anthropic merged Claude Cowork and chat into a single Claude, adding Claude Docs and Claude Slides and moving Claude Design into conversations. Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-09-14418fullfalse The week in AI · 7 to 13 September 2026https://atlas.prashish.com/weeks/2026-09-07https://atlas.prashish.com/weeks/2026-09-07Sun, 13 Sep 2026 21:00:00 +0000OpenAI said on 8 September that about 10,000 of its agents running in parallel proved a finite-time blow-up for the Navier-Stokes equations and checked the proof in Lean, and mathematicians dispute… Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-09-07648fullfalse The week in AI · 31 August to 6 September 2026https://atlas.prashish.com/weeks/2026-08-31https://atlas.prashish.com/weeks/2026-08-31Sun, 06 Sep 2026 21:00:00 +0000OpenAI released GPT-6 Astra on 3 September, its first model rated Critical for cybersecurity, and reports 97.6% on FrontierMath Tier 4. Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-08-31578fullfalse The week in AI · 24 to 30 August 2026https://atlas.prashish.com/weeks/2026-08-24https://atlas.prashish.com/weeks/2026-08-24Sun, 30 Aug 2026 21:00:00 +0000Tencent released Hy4 preview on 28 August, an open-weight mixture-of-experts model with 770 billion total parameters, 49 billion active per token and a 1 million token context, under the Apache 2.0… Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-08-24517fullfalse The week in AI · 17 to 23 August 2026https://atlas.prashish.com/weeks/2026-08-17https://atlas.prashish.com/weeks/2026-08-17Sun, 23 Aug 2026 21:00:00 +0000Anthropic put Claude Mythos 5 into its Claude Security scanner on 21 August and set up a $35 million fund for securing open-source software. Read the brief, with its sources, at https://atlas.prashish.com/weeks/2026-08-17153fullfalse