LWiAI Podcast #229 - Gemini 3 Flash, ChatGPT Apps, Nemotron 3
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Last Week in AI

LWiAI Podcast #229 - Gemini 3 Flash, ChatGPT Apps, Nemotron 3

Last Week in AI•Dec 25, 2025

AI Summary

In this episode, the hosts review major AI releases—including Google’s Gemini 3 Flash, OpenAI’s GPT‑5.2 Codex for coding, and Nvidia’s open‑source Nemotron 3—while noting the launch of a ChatGPT app store. They discuss significant funding rounds for startups like Lovable and Fal, and highlight China’s rapid progress in EUV chip manufacturing that could reshape the semiconductor landscape. Policy and safety topics cover OpenAI’s new system card on bio‑ and cyber‑security risks and Google’s partnership with the U.S. military to deploy Gemini models, underscoring the growing intersection of AI capabilities and strategic governance.

Episode Description

Google launches Gemini 3 Flash, ChatGPT launches an app store, Introducing GPT-5.2-Codex

Show Notes

LWiAI Podcast #229 – Gemini 3 Flash, ChatGPT Apps, Nemotron 3

Google launches Gemini 3 Flash, ChatGPT launches an app store, Introducing GPT‑5.2‑Codex

Our 229th episode with a summary and discussion of last week’s big AI news!

Recorded on 12/19/2025

Hosted by: Andrey Kurenkov and Jeremie Harris

Contact: contact@lastweekinai.com | hello@gladstone.ai

In this episode

  • Notable releases include OpenAI’s GPT‑5.2 Codex for advanced coding and Google’s Gemini Free Flash for competitive AI application performance. Nvidia’s new open‑source Trion‑3 models also showcase impressive benchmarks.

  • Funding updates highlight Lovable’s $330 M Series B (valuation $6.6 B) and Faya’s $140 M Series D (valuation $4.5 B).

  • China makes significant strides in semiconductor technology with advances in EUV lithography machines, led by Huawei and SMIC, potentially disrupting global chip manufacturing dominance.

  • Key safety and policy updates include OpenAI’s GPT‑5.2 system card focusing on biosecurity and cybersecurity risks, while Google partners with the US military to power a new AI platform with Gemini models.

Timestamps & Resources

Intro / Banter – (00:00:10)

News Preview – (00:02:09)

Tools & Apps

  • (00:02:56) Google launches Gemini 3 Flash, makes it the default model in the Gemini app – TechCrunch

  • (00:10:13) ChatGPT launches an app store, lets developers know it’s open for business – TechCrunch

  • (00:13:35) Introducing GPT‑5.2‑Codex – OpenAI

  • (00:19:23) Story about OpenAI release – GPT image 1.5

  • (00:22:27) Meta partners with ElevenLabs to power AI audio across Instagram, Horizon – The Economic Times

Applications & Business

  • (00:23:16) OpenAI to End Equity Vesting Period for Employees, WSJ Says – Bloomberg

  • (00:28:20) How China built its ‘Manhattan Project’ to rival the West in AI chips – Reuters

  • (00:36:47) China’s Huawei, SMIC Make Progress With Chips, Report Finds – Bloomberg

  • (00:41:03) OpenAI in Talks to Raise At Least $10 Billion From Amazon and Use Its AI Chips – CNBC

  • (00:43:32) Amazon has a new leader for its ‘AGI’ group as it plays catch‑up on AI – The Verge

  • (00:47:27) Broadcom reveals its mystery $10 B customer is Anthropic – CNBC

  • (00:49:12) Vibe‑coding startup Lovable raises $330 M at a $6.6 B valuation – TechCrunch

  • (00:50:38) Fal nabs $140 M in fresh funding led by Sequoia, tripling valuation to $4.5 B – TechCrunch

Projects & Open Source

  • (00:51:10) Nvidia Becomes a Major Model Maker With Nemotron 3 – WIRED

  • (00:59:24) Meta introduces new SAM AI able to isolate and edit audio – The Register

  • (00:59:54) [2512.14856] T5Gemma 2: Seeing, Reading, and Understanding Longer – arXiv

  • (01:03:10) Anthropic makes agent Skills an open standard – SiliconANGLE

Research & Advancements

  • (01:03:47) Budget‑Aware Tool‑Use Enables Effective Agent Scaling – arXiv

  • (01:08:21) Rethinking Thinking Tokens: LLMs as Improvement Operators – arXiv

  • (01:10:50) What if AI capabilities suddenly accelerated in 2027? How would the world know? – X (EpochAIResearch)

Policy & Safety

  • (01:12:58) Update to GPdfT‑5 System Card: GPT‑5.2 – OpenAI

  • (01:18:04) Neural Chameleons: Language Models Can Learn to Hide Their Thoughts from Unseen Activation Monitors – arXiv

  • (01:20:47) Async Control: Stress‑testing Asynchronous Control Measures for LLM Agents – arXiv

  • (01:24:37) Google is powering a new US military AI platform – The Verge

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