Daily Brief
2026-09-30 · Morning · 9 items
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NVIDIA releases Kumo Tabular, an open-source tabular foundation model
A single forward pass on labeled tables handles classification and regression, no training or tuning.Hugging Face：Blog（RSS）
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OpenAI launches Codex cloud environments that keep working after you close your laptop
Environments preload repos, dependencies and scripts, so agents keep running once your laptop is shut.X：OpenAI Developers (@OpenAIDevs)
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OpenAI DevDay: ChatGPT weekly actives top 1.2B
Up from 1B in July, with 2.5M companies now on OpenAI products.IT之家（RSS）
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Anthropic IPO filing: revenue up 12x, $8.06B operating loss
Of the $42B net loss, ~$34B is a convertible-note revaluation, not operations.X：Rohan Paul (@rohanpaul_ai)
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OpenAI eyes $30B raise at $1.4T pre-money valuation
Altman rules out a 2026 IPO, calling the current window ill-advised.X：Rohan Paul (@rohanpaul_ai)
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OpenAI launches upgraded Codex Cloud, opens Agents API preview
Agents API enables computer use, and the author says cloud-based development is hard to return to once configured.X：Tibo (@thsottiaux)
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ChatGPT launches Space for team collaboration and interactive pages
pages embed charts, checklists and dashboards, and ChatGPT auto-generates them from conversational context.X：ChatGPT (@ChatGPT)
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OpenAI opens ChatGPT platform for native apps with plugin extensions
With over 1.2 billion weekly users, developers can now publish plugin-powered native apps inside ChatGPT.X：Tibo (@thsottiaux)
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LMSYS study: AI judges favor their own outputs ~70% more than humans do
OpenAI's three judges rated its own models 37 points more leniently than humans, yet inter-AI agreement reached 79.4%.X：Arena (@arena)