#243 - GPT 5.5, DeepSeek V4, AI safety sabotage
From Last Week in AI by Skynet Today
May 3, 2026 · 1h 52m · Episode 283
About this episode
The episode discusses major AI news including the release of GPT-5.5 and updates from various organizations.
Our 243rd episode with a summary and discussion of last week's big AI news! Recorded on 04/29/2026 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: OpenAI released GPT-5.5 with strong coding-oriented improvements, a system card discussing chain-of-thought monitorability and misalignment testing, higher pricing than GPT-5.4, and notable quirks like a system-prompt warning about “goblins.” xAI launched Grok Voice Think Fast 1.0, claiming large benchmark leads for real-time voice agents and reporting major Starlink customer-support automation and sales conversion impact. DeepSeek open-sourced DeepSeek V4 (Pro and Flash) featuring MoE scaling and 1M-token context via hybrid/compressed attention changes, while Tencent released Hunyuan 3 preview with weaker benchmark performance; a new long-horizon agent benchmark (Clawmark) shows low task success rates. Major business, legal, and policy updates include Google’s planned up-to-$40B investment and 5GW compute commitment to Anthropic…
People in this episode
Hosts: Andrey Kurenkov, Jeremie Harris
Topics covered
- AI news
- GPT-5.5
- DeepSeek V4
- AI safety
- voice agents
- business updates
Keywords
- GPT-5.5
- DeepSeek V4
- AI safety
- voice agents
- Musk–OpenAI trial
- Google investment
- Meta acquisition
Mentioned in this episode
Organizations: OpenAI, xAI, Tencent, Meta, Anthropic, Google, Microsoft
Products: GPT-5.5, Grok Voice Think Fast 1.0, Hunyuan 3, DeepSeek V4
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