The Silicon Valley Post

The Top 12 DevTech Startups in YC W26

From AI agents infrastructure to self-healing CI pipelines, here are the standout developer tools companies from Y Combinator's Winter 2026 batch.

CellType Uses AI to Simulate Human Biology for Drug Discovery

LegalOS Surpasses $1.5M Annualized Revenue During YC W26

LegalOS Surpasses $1.5M Annualized Revenue During YC W26

Voltair Launches Autonomous Drone Network for Power Grid Inspection

Voltair Launches Autonomous Drone Network for Power Grid Inspection

General Legal Hits $1M in Annualized Revenue During YC

General Legal Hits $1M in Annualized Revenue During YC

Depot Raises $10M Series A to Rebuild CI for the AI Era

21st Builds the Production Layer for AI Agents

21st Builds the Production Layer for AI Agents

Mathilde Collin Joins YC as Visiting Partner

Mathilde Collin Joins YC as Visiting Partner

AgentMail Raises $6M for AI Agent Email Infrastructure

Lio Raises $30M Series A to Automate Enterprise Procurement

Harper Raises $47M to Build an AI-Native Insurance Brokerage

Letter AI Raises $40M Series B to Rethink Revenue Enablement

Guide Labs Open Sources an Interpretable 8B Language Model

Guide Labs Open Sources an Interpretable 8B Language Model

Anthropic Raises $30B at $380B Valuation

Anthropic Raises $30B at $380B Valuation

Onshore Raises $31M Series B

Weave Robotics Releases Laundry-Folding Robot

Weave Robotics Releases Laundry-Folding Robot

Taiv Closes $13M Insider Round at Nearly $100M Valuation

Taiv Closes $13M Insider Round at Nearly $100M Valuation

Anthropic Releases Opus 4.6

Anthropic Releases Opus 4.6

SpaceX Acquires xAI

SpaceX Acquires xAI

Veritus Raises $10.1M Seed Round for AI Lending Agents

EquipmentShare IPO

EquipmentShare IPO

Theorem Raises $6M from Khosla for AI-Powered Code Verification

Risotto Raises $10M Seed for AI-Powered IT Support

Risotto Raises $10M Seed for AI-Powered IT Support

Max Kolysh Joins YC as Visiting Partner

Max Kolysh Joins YC as Visiting Partner

Capital One to Acquire Brex for $5.15 Billion

Capital One to Acquire Brex for $5.15 Billion

Anthropic Reportedly Raising $10B at $350B Valuation

Anthropic is raising $10 billion at a pre-money valuation of $350 billion, led by Coatue Management and GIC.

Artie Raises $12M Series A for Real-Time Data Streaming

Artie Raises $12M Series A for Real-Time Data Streaming

Bolna Raises $6.3 Million for Voice AI in India

Bolna Raises $6.3 Million for Voice AI in India

Emergent Raises $70M Series B at $300M Valuation

Fleetzero Raises $43M for Electric Ship Propulsion

Fleetzero Raises $43M for Electric Ship Propulsion

Obie Acquired by The Baldwin Group

Anthropic Launches Cowork,

Anthropic Launches Cowork, "Claude Code for the Rest of Your Work"

Paperspace Founders Raise $15M for Autonomous, an AI Financial Advisor

Paperspace Founders Raise $15M for Autonomous, an AI Financial Advisor

Trigger.dev Raises $16M Series A

AxionOrbital Launches AI for All-Weather Satellite Imagery

AxionOrbital Launches AI for All-Weather Satellite Imagery

222 Raises $10.1M Series A to Combat Social Isolation

222 Raises $10.1M Series A to Combat Social Isolation

Assort Health Raises $76M Series B for Voice AI Healthtech Platform

Assort Health Raises $76M Series B for Voice AI Healthtech Platform

Sphere Raises $21M Series A to Automate Global Tax Compliance

Sphere Raises $21M Series A to Automate Global Tax Compliance

Model ML Raises $75M, one of largest FinTech Series A rounds in history

Model ML Raises $75M, one of largest FinTech Series A rounds in history

Mentra Raises $8M for Smart Glasses OS

Mentra Raises $8M for Smart Glasses OS