
Greylock Partners
@GreylockVC
At Greylock, we are the first partner to consumer and enterprise software entrepreneurs. Newsletter: https://bit.ly/3T5WzZk
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1/ With a long history of partnering w/ founders from idea to IPO, we @GreylockVC are excited to announce 2 new updates to advance this mission: 1/ Fund 17, our new $1B early-stage fund 2/ Edge, a bespoke program to help founders initiate new companies bit.ly/45fLmcr

🚨 NEW: Change Agents with Resolve AI - AI Agents for Complex Software Engineering Most of the AI tooling conversation right now centers on code generation. Cognition, Cursor, Claude Code....these tools are genuinely useful, but engineers are drowning in production issues. At…
The best marketing stunt since the invention of "Member of Technical Staff" is the rebranding of the Forward Deployed Engineer. Whether you call it Agent PM, Deployment Engineer, Agent Engineer, Member of Technical Staff, or good-old FDE, we are talking about the same thing: an…

New Greylock Change Agents with @Abnormal_AI_Inc and @cogent_security We spoke with @evanreiser (CEO of Abnormal AI) and @vineete_5 (CEO of Cogent Security) - two of the leading AI-native security companies adopting AI Agents to fight cyberattacks. Cybersecurity is rapidly…
On the future of evals: @ankrgyl has been working on evals since 2016. The biggest difference since then is that the amount of effort it takes to incorporate what you learn from the eval into the next iteration is very little. “We went from extremely slow updates that were…
NEW Greylock Change Agents: Evaluating Agents with Braintrust There's been a lot of discourse around evals recently, so it's timely to drop the recording of Change Agents with @ankrgyl on the topic of how he thinks about Evaluating Agents. Timestamps: (0:00) - Intro (1:22) -…
Is evaluating agents more complex than evaluating non-agentic AI software? @ankrgyl says: NO. “Agents are a very natural evolution of AI software. The agentic system that our most sophisticated customers build is actually dramatically simpler than previous generation of…
NEW Greylock Change Agents: Evaluating Agents with Braintrust There's been a lot of discourse around evals recently, so it's timely to drop the recording of Change Agents with @ankrgyl on the topic of how he thinks about Evaluating Agents. Timestamps: (0:00) - Intro (1:22) -…
"When I run an eval I look at two things: 1// What are the specific tests that got worse vs my previous eval - are these things actually worse, and if so let me play with them. Or I look at say 'what the hell' and change the scoring function so I make sure my human intuition is…
NEW Greylock Change Agents: Evaluating Agents with Braintrust There's been a lot of discourse around evals recently, so it's timely to drop the recording of Change Agents with @ankrgyl on the topic of how he thinks about Evaluating Agents. Timestamps: (0:00) - Intro (1:22) -…
NEW Greylock Change Agents: Evaluating Agents with Braintrust There's been a lot of discourse around evals recently, so it's timely to drop the recording of Change Agents with @ankrgyl on the topic of how he thinks about Evaluating Agents. Timestamps: (0:00) - Intro (1:22) -…
From Measurement to Orchestration, with @pranavpiyush from @paramark_hq We discuss the evolution of measurement in a post-attribution world, and more importantly, as the central brain for AI-driven marketing systems that move from "what happened" to "what should we do next"
For the 3rd year in a row, @Abnormal_AI_Inc is a top 20 company on the @Forbes annual Cloud 100 list! Thank you to Abnormal AI team + customers + partners! More futuristic products & AI stuff coming soon to help protect our customers from the future of cybercrime.

Leaders from Index Ventures, Greylock, and Felicis go on the Builders Stage at TechCrunch Disrupt 2025, October 27-29, in San Francisco. Register here. techcrunch.com/2025/09/09/wan…
This was a fun one @Gabriel_Whaley and @mschf built a system to engineer attention and create cultural moments In a world where AI makes output cheap, MSCHF exemplifies what remains scarce: creativity that spans domains and distribution designed like a product Link in reply
Lots of people poking their heads up and asking what startup they should join and what verticals to prioritize. But the best founders think beyond industry boundaries. Here's how @vineete_5 thinks about team construction at @cogent_security as an AI-first company:
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