Evidence receipt / evaluation
Published · transcript-backedAlexander Embiricos: evaluation
14 Dec 2025 Lenny's Podcast Why humans are AI’s biggest bottleneck (and what’s coming in 2026) | Alexander Embiricos (OpenAI Codex Product Lead)
“One of the most mind-blowing examples of acceleration, the Sora Android app, like a fully new app, we built it in 18 days and then 10 days later, so 28 days total, we went to the public.”
Source trail
Everything needed to verify it.
- Speaker
- Alexander Embiricos
- Attribution
- Verified speaker
- Claim type
- evaluation
- Recorded
- 14 Dec 2025
- Publisher
- Lenny's Podcast
Transcript context
…I remember Karpathy tweeted the gnarliest bugs that he runs into that he just spends hours trying to figure out nothing else has solved, he gives it to Codex, lets it run for an hour and it solves it. Starting to see glimpses of the future where we're actually starting to have Codex be on call for its own training. Codex writes a lot of the code that helps manage its training run, the key infrastructure. So we have a Codex code review that's catching a lot of mistakes. It's actually caught some pretty interesting configuration mistakes. One of the most mind-blowing examples of acceleration, the Sora Android app, like a fully new app, we built it in 18 days and then 10 days later, so 28 days total, we went to the public. How do you think you win in this space?…
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