They built an AI agent in 20 minutes and sold it to Anthropic for $100k - and at Stanford showed how to repeat it from scratch
02:00 - how to build your first agent with Opus 5 in 20 minutes 22:34 - one agent replaces an Anthropic engineering team worth $200k a year 49:47 -
I ran the same 5 real tests on every current Claude model
Fable 5.2, Fable 5.1, Opus 5.5, Sonnet 5.5 and Haiku 5.5. Same prompts. Identical computers. Judged blind by a non-Claude model. The newest, most expensive model did not win. Tests by petergyang. Full video:
5. The same "Cathedral of Ice" Blender prompt on Fable 5.2 vs Opus 5.5.
The Fable run took 1h 56m and cost $81.10.
Elon Musk just gave a huge update on Grok 5
Grok 5 is expected to surpass Claude Opus 5.5 in performance, potentially within just 2–3 months And thereafter, it won't just be Claude models setting the standard. Grok models are going to be pushing the boundaries of what's
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