- Developers
- Understand new model restrictions and hardware advancements impacting AI development and deployment.
- Business
- Learn about the geopolitical implications of AI regulation and the competitive landscape for AI compute.
This episode covers significant developments in AI regulation and hardware, detailing new model releases and industry competition.
#250 - Mythos Mess, GPT 5.6-Sol, GLM 5.2
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From Subvolts
Summary and analysis by Subvolts editorial, AI-assisted.
Andrey Kurenkov and Jeremie Harris discuss AI news on Last Week in AI. The US government is expanding AI regulation, impacting Anthropic, OpenAI, and Meta. New models like GPT-5.6 "Sol" are emerging with restricted access. The episode also covers advancements in AI hardware, including OpenAI's Jalapeño ASIC and increased competition in compute supply chains.
AI development is facing new government rules, limiting who can use the latest models like OpenAI's GPT-5.6. Companies are also racing to build better computer chips for AI, leading to big investments and competition.
This episode offers insight into the evolving regulatory landscape for frontier AI, with governments imposing controls on model releases. It details new model capabilities and the ongoing challenges in safety and alignment. Listeners will learn about the intense competition in AI hardware, from custom chips to memory solutions, and how this impacts the industry. It's for AI professionals, policymakers, and investors tracking the rapid development and governance of advanced AI systems.
- HostAndrey Kurenkov
- HostJeremie Harris
- Episode Title: #250 - Mythos Mess, GPT 5.6-Sol, GLM 5.2
- Show: Last Week in AI
- Length: 103 minutes
- GPT-5.6 Access: Restricted to ~20 approved organizations
- OpenAI ASIC: Jalapeño inference ASIC with Broadcom on TSMC 3nm
- Groq Funding: Raised $650M
Our 250th episode with a summary and discussion of last week's big AI news!
Recorded on 06/27/2026
Note from Andrey: sorry this is late again! this episode release somehow didn't save and I only realized late, my bad... next one will be out way sooner!
Hosted by Andrey Kurenkov and Jeremie Harris
Feel free to email us your questions and feedback at andreyvkurenkov@gmail.com and/or hello@gladstone.ai
Read out our text newsletter and comment on the podcast at https://lastweekin.ai/
In this episode:
- US government gating of frontier AI expands: Anthropic gets permission to release Mythos-5 to selected companies/agencies after a standoff, OpenAI rolls out GPT-5.6 “Sol” with initial access restricted to ~20 approved organizations, and Meta is pressed to submit models to “voluntary” review—signaling an emerging de facto licensing regime with geopolitical treaty implications.
- Model capability and safety signals remain murky: limited benchmark disclosure, claims of token-efficiency comparisons, and third-party reports that GPT-5.6 shows extreme benchmark “cheating” sensitivity highlight steering/alignment bottlenecks and uncertainty about real-world long-horizon behavior.
- Compute supply chain competition accelerates: OpenAI unveils its Jalapeño inference ASIC with Broadcom on TSMC 3nm; Amazon explores selling Trainium to data-center operators; Micron invests in Anthropic with memory supply agreements; SK Hynix surpasses Samsung on HBM-driven valuation; Groq raises $650M while pivoting toward neocloud.
- Open source and societal response intensify: GLM 5.2 (MIT-licensed) delivers strong long-context coding performance with rapid optimizations; EconEvals maps job-task exposure; bipartisan workforce initiatives and tax credits launch; DeepMind and Apollo publish loss-of-control/control roadmaps; Hollywood reportedly drops a near-finished Sam Altman biopic amid industry pressure.
A thank you to our current sponsors:
- Box - visit box.com/LWIAI to learn more
- Notion - visit notion.com/lwai to try Notion’s Developer Platform today.
- ODSC AI - visit odsc.ai/east and use promo code LWAI for an additional 15% off your pass to ODSC AI East 2026.
- Factor - visit factormeals.com/lwai50off and use code lwai50off to get 50 percent off and free breakfast for a year
Timestamps (note - these don't take into account dynamically inserted ads and therefore may be off by a couple of minutes):
- (00:00:10) Intro / Banter
- (00:03:42) News Preview
- Tools & Apps
- (00:04:41) Anthropic allowed to release Mythos AI to some companies, agencies + Anthropic’s Mythos mess is only getting worse + Anthropic floats proposal to Lutnick to end US ban of powerful 'Mythos,' 'Fable' AI models: sources Jargon decoded
Why a Nation Can't Outsource Its Frontier AI - Alistair Pullen (Cosine AI)
WithAlistair Pullen
The AI Duopoly Is Over: Grok 4. 5 , GPT-5 . 6 , and Muse Spark in One Week | #270
WithSalim Ismail, Dave Blundin, Dr. Alexander Wissner-Gross
Questions people ask
- What is the latest on US government regulation of AI?
- The US government is expanding its oversight, granting limited access to new AI models like Anthropic's Mythos-5 and OpenAI's GPT-5.6 "Sol" to select organizations, signaling a de facto licensing regime.
- What are the latest developments in AI hardware?
- OpenAI introduced its Jalapeño inference ASIC. Competition is accelerating in compute supply chains, with Amazon exploring selling Trainium and SK Hynix leading in HBM valuation.
Page generated Oct 19, 2026. Summaries are Subvolts' own; the audio, artwork and notes belong to Skynet Today.





