Not Diamond is the world's most powerful intelligent model router for coding agents. We help engineering teams achieve frontier quality at a fraction of the price by automatically selecting the best model at the lowest cost for each prompt. We’re backed by Jeff Dean (Google), Julien Chaumond (Hugging Face), Ion Stoica (Anyscale, Databricks), Zack Kass (OpenAI), Olivier Pomel (Datadog), Akshay Kothari (Notion), Arash Ferdowsi (Dropbox), Tom Preston-Werner (Github), Guillermo Rauch (Vercel), Scott Belsky (Adobe), Jeff Weiner (LinkedIn), Eoghan McCabe (Intercom), and many more.