Version-Controlled Search: The Web as It Was — Ryan Ahern, Exa
Ryan Ahern of Exa introduces Exa Snapshot, which lets agents search the web as it looked on any past date.
He covers why search quality matters when agents broker most searches, how snapshot results compare to live results, and how teams use point-in-time search to build and test predictive signals without overfitting. Chapters: - 00:00 Intro - 02:14 Agents as the new searchers - 04:15 Exa's three core principles - 08:19 Snapshot vs live search - 12:45 From signals to predictions - 16:58 Backtesting without overfitting Ryan Ahern — https://exa.ai Join us in SF for the second annual AIE CODE summit: https://aie.codes our last flagship summit of 2026. Applications live now!
The text is the source's own description of its publication. The content belongs to AI Engineer.
More from AI Engineer
Inside Arca's Long-Horizon Agents That Run the Business - Aman Singh, Arca
AI Engineer 23 Oct
Real AI Agent Attacks and What Would Have Stopped Them — Andrey Rybka, Bloomberg
AI Engineer 23 Oct
Outside of tech there has been no financial payoff to US companies for using AI, now viewed as a margin-hurting cost center, as VC-backed firms burn more tokens
Techmeme 4 h ago
Source: Replit recently moved most AI spend from Anthropic to OpenAI, which gave 30%+ off in a deal worth $100M+/year, after Anthropic discontinued its discount
Techmeme 6 h ago