Will Bryk ✓

@WilliamBryk · San Francisco · joined 09 May 2021

ceo @exaailabs

24 278Followers

195Following

723Posts total

1.4MViews on collected posts

Against accounts of the same size

7 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Metric	This account	Median for 10K–100K	Ratio
Median views per post	134 066	2 743	48.9×
Reach (views ÷ followers)	5.5× audience	8.91%	62.0×
Engagement rate	0.43%	1.64%	0.26×

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Latest posts

We're creating Exastential - a magazine to discuss the most existential period in human history, brought about by AI. Seeking writers and artists to submit piercing essays, videos, whatever perspective you think needs sharing in whatever format. There's no shortage of topics ht 41.9K views · 454 likes · 29 reposts · 38 replies 01 Sep 2026 Here's the basic model architecture: Normally, your snippets model selects tokens from each document independently. But we found that if you process all document tokens at once, you can let the model decide the right token length per document, significantly reducing the number 21.9K views · 133 likes · 2 reposts · 4 replies 28 Aug 2026 We’re releasing a research preview of “dynamic highlights”: Given a query and set of pages, a custom model jointly scans the whole set to filter out redundant and irrelevant info, reducing token usage 95% on average. Available today: https://t.co/O5gymky6i2 https://t.co/qQK7LWm 134.1K views · 430 likes · 28 reposts · 20 replies 28 Aug 2026 Excited to announce that Jeff Pinner has joined Exa as CTO! Jeff was formerly CTO of Robinhood, a distinguished engineer at Cruise, CTO of Lyft, and way back a systems engineer at NASA. We have humongous engineering and research to do at larger-than-google-scale and we need to 405.3K views · 755 likes · 16 reposts · 42 replies 21 Aug 2026 The world needs an open AI ecosystem, where no one company owns the the model, the search, the browser, and other layers. Freedom of user choice leads to freedom of opportunity. This is very analogous to the open internet ecosystem that @firefox has defended for decades. Has 14.8K views · 83 likes · 8 reposts · 5 replies 18 Aug 2026 Exa is partnering with @firefox to power search for an AI browser for the open internet. @WilliamBryk sat down with Ajit Varma, Head of Firefox, to talk about the future of the browser and why user choice matters more than ever. https://t.co/v1P2BLlfwN 574.1K views · 162 likes · 19 reposts · 12 replies 18 Aug 2026 Last week, Exa took over SF's Pioneer Building, previously home to Stripe, OpenAI, and most recently xAI. Elon assembled the Colossus cluster here (his mattress was still lying there during our tour). Alec Radford trained GPT-3 here. The Collison brothers built the web's https 165.2K views · 633 likes · 21 reposts · 41 replies 17 Aug 2026

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