Sharp thinking on growth, product & AI

Signal publishes in-depth, original analysis for operators and builders — growth marketing, product management, AI, pricing, activation, and distribution. No paywall. No fluff.

Browse all articles →

Explore topics

Growth MarketingProduct ManagementAI & Machine LearningPricing StrategyActivation & RetentionDistribution & Strategy

Latest analysis

OpenAI's Decisions API Is Now Generally Available. At $0.10 Per Million Tokens and 10x Faster Than Standard LLM Calls, It Creates a Dedicated Decision Layer for Enterprise AI Agents.MIT and Google DeepMind founders, a16z and F-Prime backing, a $1,000 force-sensitive gripper: Eka's Vision-Force-Action model handles 1,500 objects per hour at · Oct 26, 2026Eka Robotics Raised $150M at a $1.45B Valuation for a Robot That Feels. The Vision-Force-Action Model Is the Architecture That Finally Makes Dexterous Manipulation Scale.Forerunner and Menlo co-led Town's Series B after it hit seven figures ARR within weeks of launch. Each employee gets a Townie assistant connected to their own · Oct 26, 2026Gartner Forecasts That 40% of Agentic AI Projects Will Be Canceled by 2027. Here's the Activation Playbook for the Enterprises That Ship the Other 60%.Claude Duet launched October 21 as a research preview on Opus 5.5 with 6,000+ connectors. The proactive design replaces the pull-based interaction model that dr · Oct 25, 2026Anthropic Launched Claude Duet, the First Proactive AI Agent From a Frontier Lab. It Doesn't Wait for You to Ask — and That Inverts the Activation Model for Every AI Product.OpenAI moved its Decisions API to GA on October 22, 2026, running on GPT-6 Luna at $0.10 per million input tokens with no charge for output tokens. The endpoint · Oct 25, 2026Legora Raised $550 Million and Doubled Its ARR to $200 Million in Six Months. Legal AI Has a Category Leader — and It's Not American.On October 21, 2026, Tenstorrent closed a $1.5 billion Series E at a $6.2 billion post-money valuation, more than doubling its previous valuation. Jim Keller's · Oct 24, 2026Jim Keller's Tenstorrent Just Raised $1.5 Billion to Build the First Real Nvidia Alternative. The RISC-V Bet That Could Reprice Enterprise AI Infrastructure.Gartner predicts more than 40% of agentic AI projects will be canceled by the end of 2027, citing escalating costs, unclear business value, and weak risk contro · Oct 24, 2026Ramp Is Worth $60 Billion. While CFOs Were Debating AI Strategy, Ramp Was Already Tracking Their AI Costs.On October 20, DHS ordered federal civilian agencies to remove DeepSeek AI from their systems under a 2018 supply chain security law. On October 22, Bloomberg r · Oct 23, 2026The US Government Banned DeepSeek From Federal Systems. Two Days Later It Raised $15 Billion. Here's What That Sequence Means for Enterprise AI.Legora announced a $550 million Series E at an $8.8 billion valuation on October 21, 2026, with ARR above $200 million — doubled from $100 million in less than · Oct 23, 2026OpenAI Launched a Model at One-Fifth the Cost of Its Best. GPT-6.1 Sol Is Not a Discount — It's the Moment Frontier Intelligence Became a Commodity.On October 21, Pigment closed a $250M Series E at a $2.3B valuation — and disclosed that 85% of new metrics on its platform are now created by AI agents. The nu · Oct 22, 2026Pigment Just Raised $250 Million at a $2.3 Billion Valuation. When 85% of New Metrics Are Created by AI Agents, FP&A Software Has Already Changed.Bloomberg reported on October 15 that Ramp raised $1.85B at a $60B valuation — up from $44B in June. The jump happened because Ramp launched AI token spend trac · Oct 22, 2026RevenueCat's 2026 Data Shows AI Apps Have a 79% Annual Churn Rate. Here's the New Activation and Retention Playbook That Beats It.On October 19, Notion extended its agent runtime from five minutes to twenty-four hours, added an Auto model router at roughly 90% lower average cost for common · Oct 21, 2026Notion Rebuilt Its AI Agent to Run for 24 Hours Instead of 5 Minutes. Every Activation Metric Your Product Team Tracks Is Now Wrong.On September 29, at DevDay, OpenAI released GPT-6.1 Sol at $2 per million input tokens and $10 per million output tokens — one-fifth the price of GPT-6 Astra at · Oct 21, 2026

See all 647 articles →