Critical analysis of the two most powerful new models behind ChatGPT, o3 and o4-mini. Not just the system cards, benchmarks, and my own tests, but some you may not have seen before. Yes, they can whip up amazing front-end in a few seconds, but you always have to ask what is in their data. Either way, they prove the gains from RL are just beginning…

https://weave-docs.wandb.ai/?utm_source=sponsorship&utm_medium=simple_bench&utm_campaign=ai_explained

AI Insiders ($9!): https://www.patreon.com/AIExplained


Chapters:
00:00 - o3 and o4-mini


https://simple-bench.com/

Plus, Teams and Pro, plus token count: https://x.com/btibor91/status/1912568994512662679

System Card: https://openai.com/index/o3-o4-mini-system-card/

Release Notes: https://openai.com/index/introducing-o3-and-o4-mini/

https://deepmind.google/technologies/gemini/pro/

https://x.com/DeryaTR_/status/1912558350794961168

https://x.com/polynoamial/status/1912564068168450396

API Pricing:https://openai.com/api/pricing/

https://aider.chat/docs/leaderboards/


Non-hype Newsletter: https://signaltonoise.beehiiv.com/

This pod won’t just be about the release of GPT 4.1 in the last 48 hours, o3 build-up, Kling 2.0, a sneak-peak at the next OpenAI model, or even the new Dolphin language tool. It will be about 7 such stories that contextualise where we are in AI and what is happening.

https://www.emergentmind.com/

Chapters:

00:00 - Introduction

00:30 - Kling 2.0

01:35 - GPT 4.1

05:25 - o3 Build-up

07:37 - ‘Product Company’

09:31 - Safe Superintelligence

10:54 - DolphinGemma

13:16 - Data Dominance?

Kling 2.0: https://app.klingai.com/global/release-notes

Dolphin Gemma: https://blog.google/technology/ai/dolphingemma/?s=09

https://openai.com/index/gpt-4-1/

OpenAI o3 Build-up The Information: https://www.theinformation.com/articles/openais-latest-breakthrough-ai-comes-new-ideas?rc=sy0ihq

Physical reasoning: https://x.com/a_karvonen/status/1911839968990814503

Fiction Live.bench: https://x.com/ficlive/status/1911853409847906626

Altman Ted: https://www.youtube.com/watch?v=5MWT_doo68k

https://simple-bench.com/try-yourself

https://aider.chat/docs/leaderboards/

4.5: https://www.youtube.com/watch?v=6nJZopACRuQ

Geospatial reasoning: https://research.google/blog/geospatial-reasoning-unlocking-insights-with-generative-ai-and-multiple-foundation-models/

Pioneers: https://x.com/OpenAIDevs/status/1910017976256119151

Evals: https://www.youtube.com/watch?v=scsW6_2SPC4

Anthropic Updates: https://www.bloomberg.com/news/articles/2025-04-15/anthropic-is-readying-a-voice-assistant-feature-to-rival-openai?srnd=phx-ai

https://x.com/sethsaler/status/1912188383457059301

https://techcrunch.com/2025/04/12/openai-co-founder-ilya-sutskevers-safe-superintelligence-reportedly-valued-at-32b/

https://ai.meta.com/blog/llama-4-multimodal-intelligence/

https://deepmind.google/technologies/gemini/pro/

https://research.google/blog/accelerating-scientific-breakthroughs-with-an-ai-co-scientist/

https://blog.google/products/google-cloud/ironwood-tpu-age-of-inference/

OpenAI Documentary: https://www.patreon.com/posts/one-machine-to-121940490

The latest on Llama 4, and whether it signals a slowdown in AI, or solid progress. Plus, a deep dive on that viral prediction of superintelligence by 2027, and Amodei’s cautionary words on what could stop AI progress in its tracks. o3 news, and more, as well.

Weights & Biases: https://weave-docs.wandb.ai/?utm_source=sponsorship&utm_medium=simple_bench&utm_campaign=ai_explained


DeepSeek Doc: https://www.patreon.com/posts/openai-is-not-r1-125869969

AI Insiders ($9!): https://www.patreon.com/AIExplained

Chapters:
00:00 - Introduction
00:47 - Stock Crash
02:28 - Llama 4
10:55 - o3 News
11:59 - OpenAI non-profit?
13:13 - AI 2027

Llama 4 Release: https://ai.meta.com/blog/llama-4-multimodal-intelligence/

Dario Amodei Comments: https://www.youtube.com/watch?v=esCSpbDPJik

Knowledge Cut-off: https://www.llama.com/docs/model-cards-and-prompt-formats/llama4_omni/

Aider Polyglot: https://aider.chat/docs/leaderboards/

Gemini 1.5: https://arxiv.org/pdf/2403.05530

Fiction-LiveBench: https://fiction.live/stories/Fiction-liveBench-Mar-25-2025/oQdzQvKHw8JyXbN87

OpenAI Valuation: https://www.nytimes.com/2025/03/31/technology/openai-valuation-300-billion.html?login=smartlock&auth=login-smartlock

OpenAI Cybersecurity: https://www.bloomberg.com/news/articles/2024-01-16/openai-working-with-us-military-on-cybersecurity-tools-for-veterans

Deep research System Card: https://cdn.openai.com/deep-research-system-card.pdf

https://openai.com/index/paperbench/

AI 2027: https://ai-2027.com/

METR Paper: https://arxiv.org/pdf/2503.14499

OpenAI non-profit: https://openai.com/index/nonprofit-commission-guidance/

NYT Piece: https://www.nytimes.com/2025/04/03/technology/ai-futures-project-ai-2027.html?unlocked_article_code=1.804._yKi.QhwOp15Q3tcU&smid=url-share&s=09

Kokotajlo predictions 2021: https://www.lesswrong.com/posts/6Xgy6CAf2jqHhynHL/what-2026-looks-like

https://simple-bench.com/


Non-hype Newsletter: https://signaltonoise.beehiiv.com/

Podcast: https://aiexplainedopodcast.buzzsprout.com/