GPT 5.5 Arrives, DeepSeek V4 Drops, and the Compute War Intensifies
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. 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 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 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/ Non-hype Newsletter: https://signaltonoise.beehiiv.com/ Podcast: https://aiexplainedopodcast.buzzsprout.com/
