All Rankings

Recently Funded Developer Tools Companies in the US 2026

US-based developer tools, DevOps and open-source companies whose latest recorded funding round was announced in the last 90 days.

Known total funding for 36 of 36 ranked companies: $13.5B.

Showing top 36 matching companies · Ranked by most recent funding · Latest company record update Sep 29, 2026

Methodology: up to 100 active companies matching this list's filters are ordered by most recent announced round. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

1
Arcee AI

Develops open-weight, domain-adapted language models and tools for enterprises, offering secure, ...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series BTotal funding$29.5MSep 2026
2
Factory

Factory delivers an agent-native autonomy stack for enterprise engineering teams, using AI agents...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Venture RoundTotal funding$420.0MSep 2026
3
Temporal

Durable execution platform that makes distributed systems fault-tolerant by automatically capturi...

Bellevue, United States201–500Cloud, Developer Tools
Series ETotal funding$1.4BSep 2026
4
Ayar Labs

Ayar Labs develops co-packaged optical I/O solutions that accelerate data movement for hyperscale...

San Jose, United States51–200Artificial Intelligence, Developer Tools
Venture RoundTotal funding$1.2BSep 2026
5
Cognition

AI software engineering company building Devin, an autonomous AI coding agent capable of planning...

San Francisco, United States51–200Artificial Intelligence, Developer Tools
Venture RoundTotal funding$4.1BSep 2026
6
Gimlet Labs

Gimlet Labs is an applied research lab that builds high-performance AI systems, including serverl...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series BTotal funding$392.0MSep 2026
7
Wafer

Wafer runs AI agents that continuously profile and optimize GPU inference infrastructure, deliver...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Series ATotal funding$40.0MSep 2026
8
Metriport

Metriport is a technology company that unifies fragmented healthcare data into a single clean for...

San Francisco, United States1–10Developer Tools, Digital Health
Venture RoundTotal funding$28.4MAug 2026
9
DeepCogito

Deep Cogito is a San Francisco AI startup building open-source large language models toward gener...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Series ATotal funding$84.5MAug 2026
10
ChipAgents

AI-powered chip design environment that accelerates HDL design, debugging, and verification with ...

Santa Clara, United States51–200Artificial Intelligence, Developer Tools
Series ATotal funding$134.1MAug 2026
11
Thunder Compute

Virtualization software to make GPUs 5x cheaper

San Francisco, United States1–10Artificial Intelligence, Cloud
Series ATotal funding$18.0MAug 2026
12
Xpander.ai

xpander.ai provides an enterprise platform that lets organizations deploy AI agents with permissi...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
SeedTotal funding$7.5MAug 2026
13
Vals AI

Independent LLM evaluation platform benchmarking AI models on real-world enterprise tasks in fina...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series ATotal funding$45.0MAug 2026
14
Blacksmith

Serverless cloud infra for CI

San Francisco, United States1–10Developer Tools
Series BTotal funding$70.7MAug 2026
15
CodeRabbit

AI-driven code review platform that provides context-aware, line-by-line reviews and 1-click fixe...

San Francisco, United States51–200Artificial Intelligence, Developer Tools
Series CTotal funding$143.0MAug 2026
16
Axle

Axle’s worker agents navigate insurance systems and interpret unstructured data at scale, making ...

New York, United States1–10Developer Tools, Fintech
Series ATotal funding$21.5MAug 2026
17
Point2

Point2 Technology develops ultra-low power, ultra-low latency interconnect SoCs that empower next...

San Jose, United States11–50Artificial Intelligence, Developer Tools
Extension RoundTotal funding$212.0MAug 2026
18
Convex

Reactive application backend platform optimized for AI-driven software development.

San Francisco, United States11–50Developer Tools, SaaS
Series BTotal funding$86.5MAug 2026
19
Sapiom AI

Developers & Product

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series ATotal funding$50.0MAug 2026
20
Oxide

On-premises cloud computer company that delivers rack-scale hardware and software infrastructure ...

Emeryville, United States51–200Developer Tools
Series DTotal funding$983.0MAug 2026
21
Design Arena

World's largest crowdsourced benchmark for AI-generated design

San Francisco, United States1–10Artificial Intelligence, Developer Tools
SeedTotal funding$7.9MAug 2026
22
Horizon3.ai

Horizon3.ai is a leading provider of autonomous security solutions and the creator of NodeZero, a...

San Francisco, United States201–500Cybersecurity, Artificial Intelligence
Series ETotal funding$510.0MJul 2026
23
Inworld AI

AI character engine for games and virtual worlds, enabling developers to create interactive NPCs ...

San Francisco, United States51–200Artificial Intelligence, Generative AI
Venture RoundTotal funding$100.0MJul 2026
24
Feldera

Feldera provides an incremental compute engine that runs arbitrary SQL programs in real time, let...

United States11–50Artificial Intelligence, Developer Tools
Series ATotal funding$21.4MJul 2026
25
Weave

AI to understand and then route engineering work

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series ATotal funding$17.7MJul 2026