Autumn AI

Active

Stalk your prospects at scale.

Winter 2026Founded 20252 peopleSan Francisco, CA, USA

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Intent & Signal IntelligenceSaaSGo-to-market and sales teamsHigh competition

Moat

Real-time signal monitoring across posts, commits, blogs, and announcements + ICP filtering.

Key risk

Existing sales intelligence platforms (6sense, Demandbase) may integrate; signal fatigue risk.

Why now

GTM teams are adopting intent data; real-time signals unlock faster deal closure.

Competitors

6sense, Demandbase, HubSpot

About

Autumn is building the first real-time signal intelligence platform for GTM teams. We monitor posts, commits, blogs, and announcements, surfacing buying signals the moment they appear. Define your ICP and the signals that matter, and we deliver a condensed, real-time feed filtered by intents.

From their website

as of Jun 7, 2026autumnai.com ↗

SaaSSubscription

Autumn AI markets itself as an AI-driven maximalist sales platform focused on deep people intelligence and high-precision outbound. It emphasizes tracking leads across multiple channels and sources to stalk prospects at scale. The messaging highlights integrations, API, and real-time data processing to support outbound efforts.

The platform provides deep people intelligence to stalk prospects at scale, tracking leads across LinkedIn, X, Reddit, SEC filings, and more. It offers an integration-ready workspace to search, research, and build lists, an MCP/API plug for integrating with Claude, Cursor, or other MCP agents, a full REST API with webhooks for automated outbound, and tools to export enriched lists as CSV to email or S3 for upload into sequencing workflows. It also mentions real-time data processing with sub-minute latency and a modular SDK for batch enrichment, webhooks, and flat file delivery.

Who it’s for: Sales teams and GTM orgs seeking large-scale prospecting and outbound automation, including VP/Head of Sales, GTM leadership, and product teams integrating data signals into outreach workflows.

Features

Deep signals and prospect intelligence
Cross-channel lead tracking (LinkedIn, X, Reddit, SEC)
REST API with webhooks for automated outbound
MCP/API plug for external agents
Flat-file and CSV export to emails/S3
Real-time data processing with sub-minute latency
Unified workspace for research, lists, and outreach

Funding announcements and hiring signals referenced (Series B, team growth) indicating active growth and traction.

Founders · 2

Vishnu SampathkumarFounder

Co-founder, CEO @ Autumn AI (W26)

LinkedIn ↗X ↗

Shiv KampaniFounder

Co-founder, CTO @ Autumn AI

LinkedIn ↗X ↗

Launch

Launched on Y Combinator · Feb 2026

View launch post ↗

Autumn is building the first real-time signal intelligence platform for GTM teams.

Autumn launches a real-time signal intelligence platform for GTM teams that tracks prospects across the internet, delivering a live, filtered feed of buying signals and notifying users via email or Slack. It targets founders, enterprise accounts, and event prep workflows to surface timely ICP-aligned intents at scale.