GPT 5.5 full analysis, plus DeepSeek V4 paper highlights, comparisons with Mythos, a vibe-coded game w/ GPT Image 2, and 50 data-points you wouldn’t get from just reading the headlines.

Chapters:

01:11 - GPT 5.5 Comparison

06:04 - Mythos Marketing

11:50 - Recursive Self-Improvement?

14:11 - Deepseek V4

18:03 - VibeCode Experiment Extravaganza

21:44 - The Scarce Compute Era

https://80000hours.org/aiexplained

OpenAI Benchmarks: https://openai.com/index/introducing-gpt-5-5/

5.5 System Card: https://deploymentsafety.openai.com/gpt-5-5/gpt-5-5.pdf

Direct Comparison: https://pbs.twimg.com/media/HGnNm5GWEAAJ1Ob?format=jpg&name=4096x4096

DeepSeek Paper: https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro

SWE Bench Pro - benchmark of choice? https://x.com/ChowdhuryNeil/status/2047416077622395025

AA Omniscience: https://artificialanalysis.ai/evaluations/omniscience

Vending Bench: https://x.com/andonlabs/status/2047377260412649967

Opus 4.7 System Card: https://cdn.sanity.io/files/4zrzovbb/website/037f06850df7fbe871e206dad004c3db5fd50340.pdf

Sam Altman Drunk Phase: https://x.com/sama/with_replies

Noam Brown: https://x.com/polynoamial/status/2047387675762802998

DeepSeek Compute Crunch: https://www.bloomberg.com/news/articles/2026-04-24/deepseek-unveils-newest-flagship-a-year-after-ai-breakthrough?srnd=phx-ai

Spreadsheet Bench: https://x.com/nicochristie/status/2047476237464211721

Pattern Recognition: https://arcprize.org/leaderboard

Leader Interviews:

Core Memory: https://www.youtube.com/watch?v=NCKQL0op30E

Knowledge Podcast: https://www.youtube.com/watch?v=6JoUcQ1qmAc
Big Tech Round 1: https://www.youtube.com/watch?v=J6vYvk7R190&t=1116s

Big Tech Round 2: https://www.youtube.com/watch?v=YnoQ8RJbALw&t=8s

Claude Code Limitations: https://x.com/TheAmolAvasare/status/2046724659039932830

ChatGPT 5.4 for Clinicians: https://openai.com/index/making-chatgpt-better-for-clinicians/

Image Arena: https://x.com/arena/status/2046670703311884548

VibeCode Bench: https://www.vals.ai/benchmarks/vibe-code

5.5-made Game +Seedance 2.0: https://rosemere-quest.pages.dev/

Claude Opus 4.7 just dropped, but behind every headline lies a deeper story. From a bonanza of benchmarks, to seeing the fruits of one of the biggest mega-projects in US history, to sneaky Mythos disclaimers, to Anthropic admitting compute restraints and, forcing lower capability of Opus 4.7. Where the new model falls behind Gemini but ahead of GPT 5.4, plus why some users are furious at Anthropic. Ending with a 9-year animus, that still affects AI today…

https://assemblyai.com/aiexplained



Check out my fast-growing (!) app, free to use, and code INSIDER15 for paid tiers: https://lmcouncil.ai

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

Chapters:
00:00 - Introduction
00:58 - Benchmarks
05:21 - Market Share + Compute Problems
08:12 - Mythos Exclusives
12:56 - User Frustration + Claude Code Updates
14:03 - Brockman Amodei Rivalry
17:40 - OpenAI vs Anthropic Approach to Code

Claude 4.7 Opus Release Notes: https://www.anthropic.com/news/claude-opus-4-7
vs Mythos: https://pbs.twimg.com/media/HGCGugrXUAAKcHp?format=jpg&name=medium

232-page System Card: https://cdn.sanity.io/files/4zrzovbb/website/037f06850df7fbe871e206dad004c3db5fd50340.pdf

ARC-AGI 2: https://x.com/arcprize/status/2044834615417053305/photo/1

ParseBench: https://x.com/jerryjliu0/status/2044902620746363016/photo/1

GDPVal: https://artificialanalysis.ai/evaluations/gdpval-aa

Vidoc Security Replication: https://blog.vidocsecurity.com/blog/we-reproduced-anthropics-mythos-findings-with-public-models

Boris Cherny Settings: https://x.com/Hesamation/status/2043016923961577516/photo/2

User Frustration: https://x.com/RileyRalmuto/status/2044836116189069660

VibeCode Bench: https://x.com/ValsAI/status/2044791415524471099/photo/1

Verge Memo: https://www.theverge.com/ai-artificial-intelligence/911118/openai-memo-cro-ai-competition-anthropic

5.4 Cyber: ​​https://openai.com/index/scaling-trusted-access-for-cyber-defense/

Data Centers in Absolute $: https://x.com/finmoorhouse/status/2044933442236776794/photo/1

…in % of GDP: https://pbs.twimg.com/media/HGEN8FGWQAAN7Np?format=jpg&name=4096x4096

WSJ Exclusive: https://www.wsj.com/tech/ai/the-decadelong-feud-shaping-the-future-of-ai-7075acde

Brockman Interview: https://www.youtube.com/watch?v=J6vYvk7R190

$1T Valuation: https://x.com/StefanFSchubert/status/2045039686997967082

Emotions: https://www.patreon.com/c/aiexplained/posts

https://lmcouncil.ai/benchmarks


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

The model, the mythos, the legend. We have a new best AI model, but not all of us. How good is it, what does it’s new offensive capabilities mean? Why does it’s 244 page report card remind me of Her, and why did the creator of Claude Code call it ‘terrifying’. 30+ highlights sourced by reading the paper in full, old-school, no AI summary.

https://80000hours.org/aiexplained


Check out my fast-growing (!) app, free to use, and code INSIDER15 for paid tiers: https://lmcouncil.ai

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

Chapters:
00:00 - Introduction
00:56 - Internal Release + Availability
02:37 - General Capabilities
05:12 - Self-improvement?
06:15 - ‘Terrifying’ Landscape
11:07 - Safety Decision
13:22 - Coding
14:49 - Alignment, Awareness
19:52 - GUI for Agents/Claws + Hallucinations
21:34 - …Emotions?
25:29 - Her connection

244-page System Card: https://www-cdn.anthropic.com/8b8380204f74670be75e81c820ca8dda846ab289.pdf

Project Glasswing: https://www.anthropic.com/glasswing
Zero-Day Details: https://red.anthropic.com/2026/mythos-preview/

Mythos ‘terrifying’: https://x.com/bcherny/status/2041605852382351666

New Yorker Altman/Amodei: https://archive.fo/20260406100412/https://www.newyorker.com/magazine/2026/04/13/sam-altman-may-control-our-future-can-he-be-trusted

Alignment Risk Update: https://www-cdn.anthropic.com/79c2d46d997783b9d2fb3241de43218158e5f25c.pdf

In a Park: https://x.com/sleepinyourhat/status/2041584808514744742

“Uhm” - https://x.com/thsottiaux/status/2041749947385815109


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

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