LoungeLounge
HomeMembersEventsLearnIntelligence
/
Log inSign up free
428members$1.36Bcombined ARR$1.7Braised$2.17Bin exits
The AI Founders & Builders Lounge428 members·4 online now·$1.36B combined ARR·$1.7B raised·$2.17B in exitsInvite an AI Founder
For YouNewsInvestmentsExitsResearchPodcastsNewslettersVideos
© 2026 LoungeAboutSuggest a featureSponsor the LoungePricingTermsPrivacy
For You
Following
Trending
Projects
Polls
Asks & Offers
Saved
Spaces
IntroductionsQuestionsAdviceAgentsModelsInfraVibe-codingGTMFundraising & ExitsAudio & videoDataSecurityUpdates
HomeMembersEventsLearnIntel
Lounge Profrom $37/mo
Unlock the masterminds and the higher-tier groups
  • ✓The Weekly AI Founder Mastermind, Thursdays 11 AM CT
  • ✓Investor Contacts and CSV exports
  • ✓Deals, investors, the Revenue Leaderboard and every perk
Become a paid member →
7-day free trial · cancel any time

This week's events

All
THU
22
Weekly AI Founder Mastermind
11:00 AM CT · Zoom · 30 min · 0 going
Lounge ProUpgrade
Add your city to see in-person AI meetups near you here.
The Weekly AI Founder Mastermind is every Thursday at 11 AM CT, 30 minutes on Zoom. Join us!

Trending this week

All
  1. 1
    Hi, I'm Renier, building bespoke AI products and agents in London
    ▲ 2 · 1 comments · Introductions
  2. 2
    Shipped: Website Visitor Deanonymization
    ▲ 2 · 2 comments · GTM
  3. 3
    Shipped: Artemis GTM agents
    ▲ 2 · 0 comments · GTM
  4. 4
    What we shipped today
    ▲ 2 · 0 comments · Updates
  5. 5
    If ChatGPT ran on a desktop, how much would the world change?
    ▲ 2 · 0 comments · Introductions

Asks & Offers

Board
Need an intro, a vendor, a second opinion? Post an ask. Have something to give? Post an offer.
Post an askPost an offer

Invite an AI Founder

Lounge is invite-only. Your code brings in 10 more builders, and you earn 25% of everything a referred member pays, for life.
YOU
Your referral link & who joined →
For paid members
9,724 AI investor contacts, ready to reach
Key partners at 2,066 firms investing in AI: name, title, verified email, LinkedIn and phone. Filter by role, firm type and country; export the ones you want as a CSV.
9,724
Contacts
2,066
Firms
7,348
With email
Ko Narushima
Principal
Rakuten Capital logoRakuten Capital
Kayla Tausche
Managing Director
RedBird Capital Partners logoRedBird Capital Partners
Jason Kirschner
Managing Partner
Footpath Ventures logoFootpath Ventures
Get access →Preview
Venture Rounds
Open →
Mueon logoMueonSeries A · Oct 15$65MDougs logoDougsGrowth equity · Oct 15$58MHolyvolt logoHolyvoltVenture round (equity) · Oct 15$45MModal logoModalSeries D · Oct 14$750M
Top AI Shorts
Open →
The Best AI Gets Out of the WayLenny's PodcastDeepSeek Painted My PortraitMatthew BermanAI ISN'T KILLING JOBS20VCMeta's Cute New A.I. Agent Is Taking Over My BrainHard ForkChamath: 3 Things Every Company Needs in the Age of SuperintelligenceAll-In Podcast
Exits
Open →
Varonis Systems logoVaronis SystemsAcquired · Oct 15$6.3BAISLE logoAISLEAcquired · Oct 15—Proscia logoProsciaAcquired · Oct 13$240MC1.ai (formerly ConductorOne) logoC1.ai (formerly ConductorOne)Acquired · Oct 13—
Videos · Infra · newest first
All 248Agents 41Vibe-coding 40Models 40Infra 39Audio & video 34GTM 30Fundraising 24
VideoTheo - t3.ggInfra
I thought AI was gonna get cheaper?
Theo examines why AI costs aren't falling as expected and what that means for the economics of products built on LLMs.
Oct 12 · 18:18
VideoAI EngineerInfra
Just-in-Time Ontologies: What Cheap Intelligence Means for Data — Hrishi Olickel, Southbridge AI
Hrishi Olickel argues that cheap intelligence lets you build ontologies on demand instead of designing schemas up front, with concrete data-pipeline implications.
Oct 12 · 21:03
VideoAI EngineerInfra
Your GPU Neighbor Can Hear Your Model — Branislav Brzak, Stealthium
A security talk on how a co-tenant on a shared GPU can leak information about your model, which matters if you serve on shared hardware.
Oct 12 · 13:21
VideoAI EngineerInfra
How Inference Keeps Up with Our Insatiable Need for Tokens — Cerebras & Gimlet Labs
Cerebras and Gimlet Labs discuss how inference infrastructure can keep up with rapidly growing token demand. Relevant to anyone serving models at scale.
Oct 12 · 22:47
VideoAI EngineerInfra
Stop Renting Intelligence: The Train-to-Deploy Loop for Specialized AI — Fireworks AI
Fireworks AI lays out a train-to-deploy loop for specialized models, making the case for owning your model instead of renting frontier APIs.
Oct 11 · 19:18
VideoAI EngineerInfra
From 15% to 90% GPU Utilization: Fix the Data Pipeline, Not the Model
An AI Engineer talk on taking GPU utilization from 15% to 90% by fixing the data pipeline instead of touching the model.
Oct 10 · 17:02
VideoAI EngineerInfra
Beyond RAG: A Relational Context Engine That Cuts Token Burn — Unblocked
Shows how a relational context engine can cut token burn compared with plain RAG, a direct cost and retrieval win for agent builders.
Oct 10 · 19:44
VideoAI EngineerInfra
Zero Cold Starts: Serverless AI Agents on Akamai Functions — Thorsten Hans
A builder talk on running serverless AI agents with zero cold starts on Akamai Functions, with concrete serving trade-offs.
Oct 10 · 22:37
VideoNVIDIA DeveloperInfra
How H-Company Optimizes VLM Serving for Computer Use Agents With NVIDIA Dynamo
H Company explains how it optimizes VLM serving for computer-use agents with NVIDIA Dynamo, with real serving and latency details.
Oct 8 · 37:35
VideoAI EngineerInfra
Your AI Agent Has No Nervous System — Matt Gibiec, Dynatrace
Dynatrace makes the case for observability built for agents, showing how to trace and monitor agent behavior in production.
Oct 8 · 15:35
Videoa16zInfra
Building the Cloud for AI Agents | AWS CEO Matt Garman
AWS CEO Matt Garman with a16z on what the cloud has to become for AI agents: compute, identity, sandboxes and the economics of inference at scale.
Oct 8 · 56:18
VideoNVIDIA DeveloperInfra
What's New in CUDA 13.4
NVIDIA engineers walk through what's new in CUDA 13.4, useful for anyone tuning GPU workloads for inference or training.
Oct 8 · 51:55
VideoNVIDIA DeveloperInfra
DGX Spark Live: Smart Routing for Hybrid AI
NVIDIA's live session on smart routing for hybrid local and cloud AI on DGX Spark, with hands-on serving details.
Oct 7 · 38:32
VideoHugging FaceInfra
HF Buckets: Upload Only What Changed with Xet
Hugging Face explains HF Buckets and Xet-backed uploads that only push what changed, cutting the cost of moving model weights and datasets around.
Oct 7 · 12:43
VideoMicrosoft DeveloperInfra
Cut AI Agent Costs with TokenOps
A short, focused look at TokenOps for cutting AI agent token spend, relevant to anyone watching inference bills.
Oct 7 · 4:26
VideoMongoDBInfra
MongoDB .local NYC 2026 Keynote | MongoDB 9.0, Atlas Infinite, Atlas Agent Engine, and More
The MongoDB .local NYC 2026 keynote introduces MongoDB 9.0, Atlas Infinite and the Atlas Agent Engine for running agents against your data.
Oct 7 · 35:42
VideoOpenAIInfra
Stop Overpaying for Intelligence | DevDay 2026
OpenAI DevDay session on cutting AI cost per completed task with model and reasoning-effort choice, prompt caching, programmatic tool calling and the Batch API.
Oct 7 · 23:04
VideoNVIDIA DeveloperInfra
How to Deploy a Standalone VLM Kiosk on NVIDIA Jetson with Codex
NVIDIA shows a standalone VLM kiosk deployed on Jetson, built with Codex, so you see edge deployment and AI-assisted coding together.
Oct 7 · 6:10
VideoSequoia CapitalInfra
Google's AI Infrastructure Chief, Amin Vahdat, on the Physics & Economics of Frontier AI
Sequoia sits down with Google's AI infrastructure chief Amin Vahdat on the physics and economics of frontier-scale compute, power and the next decade of datacenters.
Oct 6 · 1:04:27
VideoAI EngineerInfra
What Is an Inference Engine, Anyway? — Charles Frye, Modal
Modal's Charles Frye explains what an inference engine actually does, from batching and KV cache to scheduling, in a talk every builder paying per token should watch.
Oct 6 · 59:59
VideoAI EngineerInfra
Advanced Workshop: Mastering AI Observability — Doug Guthrie, Braintrust
Nearly two-hour Braintrust workshop that takes an OpenAI Agents SDK support agent from zero tracing to custom scorers, online grading and topic clustering over 968 real…
Oct 6 · 1:51:37
VideoAI EngineerInfra
Is Speculative Decoding Worth It? Profiling vLLM on NVIDIA Blackwell — Akamai
Akamai's Sheilah Kirui benchmarks speculative decoding with vLLM on a Blackwell GPU and shows when a draft model pays off (1.6x on structured output) and when it doesn't.
Oct 6 · 15:17
VideoIBM TechnologyInfra
How AI Models Scale Beyond a Single GPU Across LLM Workloads
IBM's nine-minute explainer on distributed inference: data, pipeline, tensor and expert parallelism, KV cache and prefill/decode bottlenecks.
Oct 6 · 9:04
VideoAI EngineerInfra
Move Fast and Don't Break Things: Scaling Databases for the AI Era — PlanetScale
PlanetScale's Ben Dicken on keeping databases up when agents multiply traffic overnight: isolation, redundancy, sharding and back pressure.
Oct 6 · 19:07
VideoModalInfra
Runtime 2026 Product Launch Keynote | Erik Bernhardsson, CEO @ Modal
Modal CEO Erik Bernhardsson's Runtime 2026 keynote: the new serverless primitives for running agents, sandboxes and GPU workloads at scale.
Oct 6 · 24:03
VideoPlanetScaleInfra
is Redis cooked?
PlanetScale argues that modern Postgres and MySQL on fast NVMe can replace Redis for most caching and queueing workloads, with benchmarks.
Oct 5 · 6:59
VideoAI EngineerInfra
Your LLM App Returned 200 OK. It Was Still Wrong. — Marina Petzel, Datadog
Datadog's Marina Petzel on LLM observability: catching the silent failures that still return 200 OK and wiring tracing and evals into production monitoring.
Oct 3 · 18:01
VideoAI EngineerInfra
What Makes Open Models Fast in Production — Sujee Maniyam, Nebius
Nebius's Sujee Maniyam explains what actually makes open models fast in production, from serving-stack choices to batching and caching trade-offs, with real numbers.
Oct 3 · 20:32
VideoAI EngineerInfra
GPU Died. Training Didn't: Self-Healing Training at Scale — Crusoe
Crusoe engineers show how they keep large training runs alive through GPU failures with automatic detection, checkpointing and node replacement.
Oct 3 · 16:54
VideoAI EngineerInfra
YOLO Mode, Safely: MicroVM Sandboxes for Any Agent — Rowan Christmas, Docker
Docker's take on running autonomous agents with full permissions inside disposable microVM sandboxes, so YOLO mode stops being a security gamble.
Oct 3 · 11:35
VideoNo Priors: AI, Machine Learning, Tech, & StartupsInfra
Frontier Chips for Frontier AI Labs, with Walter Goodwin, Founder/CEO of Fractile
Fractile founder Walter Goodwin tells Sarah Guo how a full-stack chip startup bets against NVIDIA, Broadcom and AMD on next-generation inference hardware.
Oct 2 · 35:39
VideoLatent SpaceInfra
Which GPU Clouds Are Actually Good? | ClusterMAX 3.0
SemiAnalysis walks Latent Space through ClusterMAX 3.0, its ranking of GPU clouds on reliability, networking, pricing and support, so you know who to actually rent…
Oct 2 · 57:52
VideoY CombinatorInfra
What If We Stopped Using GPUs? | YC Paper Club
YC Paper Club works through the research on running frontier workloads without GPUs and what a post-GPU inference stack could look like.
Oct 2 · 1:20:35
VideobycloudInfra
The Strange Economics of LLM Inference-as-a-Service
Breaks down why inference pricing looks nothing like compute cost, from batching and KV-cache economics to who actually makes money serving models.
Sep 29 · 23:02
VideoLangfuseInfra
Langfuse Walkthrough - Full Demo of Agent Tracing, Evals, Experiments and Prompt Management
Langfuse's own full walkthrough of agent tracing, evals, experiments and prompt management — the open-source observability stack many Lounge builders self-host.
Sep 18 · 14:56
VideoBraintrustInfra
Measure what matters with Braintrust: Intro to AI evals
Braintrust's intro to evals: datasets, scorers, experiments and how to stop shipping prompt changes on vibes. The single most useful infra habit for anyone with an LLM…
Oct 7 · 52:11
VideoAI EngineerInfra
Evals 101 — Doug Guthrie, Braintrust
A conference-talk version of evals 101: what to measure, how to build a golden set from production traces, and how teams actually run evals in CI.
Jun 27 · 48:31
VideoLangflowInfra
Observability for AI Apps feat. LangSmith, Langfuse, and LangWatch
Side-by-side look at three tracing/observability stacks for LLM apps, with the trade-offs between hosted and open-source options.
Jun 19 · 14:47
VideoStarMorph AIInfra
Vercel AI SDK Overview Tutorial | Generative UI, Streaming, Agentic Tool Functions
Tour of the Vercel AI SDK primitives: streamText, tool calling, generative UI and provider switching between Claude, OpenAI and Gemini.
Mar 11 · 14:13

Member Map

Open map
428 members in 174 cities
Top AI Stocks
Open →
Nvidia logoNvidia$5.25T-1.8%Apple logoApple$4.99T-0.3%Alphabet logoAlphabet$4.27T+0.5%Microsoft logoMicrosoft$4.01T+1.1%Amazon logoAmazon$2.75T+0.3%