Last Week in AI· Folge 241

#201 - GPT 4.5, Sonnet 3.7, Grok 3, Phi 4

Mittwoch, 5. März 2025 · 59 min

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Our 201st episode with a summary and discussion of last week's big AI news!

Recorded on 03/02/2025

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Hosted by Andrey Kurenkov (twitter.com/andrey_kurenkov) and guest host Sharon Zhou

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In this episode:

- The release of GPT-4.5 from OpenAI, Anthropic's Claude 3.7, and Grok 3 from XAI, comparing their features, costs, and capabilities.

- Discussion on new tools and applications including Sesame's new voice assistant and Google's AI coding assistant, Gemini Code Assist, highlighting their unique benefits.

- OpenAI's continued user growth despite competition, pricing models for Google's text-to-video platform, and HP acquiring and shutting down Humane's AI pin.

- Insights into new research on alignment and specification gaming in LLMs, including papers on fine-tuning causing broad misalignment and Google's multi-agent system for scientific collaboration.

Timestamps + Links:

• () Intro / Banter

• () News Preview

• Tools & Apps

•

• () OpenAI announces GPT-4.5, warns it’s not a frontier AI model (theverge.com/news/620021/openai-gpt-4-5-orion-…)

• () Anthropic launches a new AI model that ‘thinks’ as long as you want (techcrunch.com/2025/02/24/anthropic-launches-a…)

• () New Grok 3 release tops LLM leaderboards (arstechnica.com/ai/2025/02/new-grok-3-release-…)

• () Sesame is the first voice assistant I’ve ever wanted to talk to more than once (theverge.com/news/621022/sesame-voice-assistan…)

• () Google launches a free AI coding assistant with very high usage caps (techcrunch.com/2025/02/25/google-launches-a-fr…)

• () Rabbit shows off the AI agent it should have launched with (theverge.com/news/615990/rabbit-ai-agent-demon…)

• () Mistral’s Le Chat tops 1M downloads in just 14 days (techcrunch.com/2025/02/19/mistrals-le-chat-top…)

• Applications & Business
• () OpenAI Tops 400 Million Users Despite DeepSeek’s Emergence (cnbc.com/2025/02/20/openai-tops-400-million-us…)

• () Google’s new AI video model Veo 2 will cost 50 cents per second (techcrunch.com/2025/02/23/googles-new-ai-video…)

• () HP is buying Humane and shutting down the AI Pin (theverge.com/news/614883/humane-ai-hp-acquisit…)

• Projects & Open Source

• () Microsoft launches next-gen Phi AI models. (theverge.com/news/620177/microsoft-phi-4-ai-mo…)

• () OpenAI introduces SWE-Lancer: A Benchmark for Evaluating Model Performance on Real-World Freelance Software Engineering Work (marktechpost.com/2025/02/17/openai-introduces-…)

• () SWE-Bench+: Enhanced Coding Benchmark for LLMs (arxiv.org/abs/2410.06992v2)

• Research & Advancements

•

• () Towards an AI co-scientist (arxiv.org/abs/2502.18864)

• () Magma: A Foundation Model for Multimodal AI Agents (arxiv.org/abs/2502.13130v1)

• Policy & Safety

•

• () Demonstrating specification gaming in reasoning models (arxiv.org/abs/2502.13295)

• () Emergent Misalignment: Narrow finetuning can produce broadly misaligned LLMs (arxiv.org/abs/2502.17424)

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