Braintrust is an AI observability and evaluation platform built for monitoring agents and AI systems in production, founded by Ankur Goyal. Braintrust's Twitter Score is 23 out of 1000 as of September 2026, ranking #41,810 (top 10%) among 486,860 tracked accounts.
Braintrust raised a seed round led by Greylock in December 2023, followed by a $36 million Series A in October 2024. In February 2026, the company closed an $80 million Series B led by ICONIQ, with participation from Andreessen Horowitz, Elad Gil, SV Angel, BoxGroup, Basecase Capital, Databricks Ventures, and Datadog.
Braintrust's platform serves teams building and deploying AI agents, offering tooling for evaluation and active observability in production environments. Customers reported using the platform as of February 2026 include Notion, Replit, Cloudflare, Ramp, and Dropbox. Braintrust has published 892 posts on the platform and has been mentioned by 51 accounts, with 90 total mentions.
Who follows Braintrust on X?
The accounts that follow Braintrust include 106 founders, 38 angel investors, 12 influencers and 6 VCs, among them Mario Nawfal, Ali Yahya, Elad Gil, Alex Atallah, Agentyoda and Andy.