We had a team of agents rebuild SQLite from its 835-page manual. It created a replica in Rust which passed 100% of a held-out test suite. Interestingly, cost varied 15x depending on which model mix we used.↗

You're spending too much on AI. You're also using too little. But, we got you. We wrote about the framework we use at Ramp to evaluate whether we're actually getting value: engineering.ramp.com/post/ai-spend-…↗

Introducing Exa Agent: frontier web research at less than half the cost of GPT 5.5 and Opus. /agent orchestrates a mixture of cost-effective models to complete any web research task, from simple data enrichments to building gigantic lists.↗