Top DevTools & AI Coding companies

European foundation model lab producing the Mistral and Codestral model families with competitive coding performance and a strong focus on sovereignty and on-premise deployment for EU enterprises.

Foundation Models · Undisclosed $830M

Foundation Models

Undisclosed

$830M

HQ

Builder of Cursor, the AI-native code editor that has become the professional developer's tool of choice for agent-assisted coding with multi-file edits, repo-wide context, and model-agnostic backend.

AI IDEs and Editors · Series D $2.3B

AI IDEs and Editors

Series D

$2.3B

HQ

Global cloud platform providing Workers AI for serverless AI inference, AI Gateway for monitoring and caching LLM calls, and edge infrastructure that serves as the deployment backbone for AI-generated applications.

Build and Deploy · Post-IPO $1.1B

Build and Deploy

Post-IPO

$1.1B

HQ

AI-native application security platform that finds and auto-fixes vulnerabilities in code, open-source dependencies, containers, and infrastructure as code, with DeepCode AI powering its analysis engine.

Security · Series G $196.5M

Security

Series G

$196.5M

HQ

Complete DevSecOps platform with integrated CI/CD, source control, and emerging AI capabilities including code suggestions, vulnerability explanation, and merge-request summarization.

Build and Deploy · IPO $648.3M

Build and Deploy

IPO

$648.3M

HQ

Open-source observability platform providing dashboards, metrics, logs, and traces, recognized as a Leader in the 2025 Gartner Magic Quadrant for Observability Platforms.

Observability and AI Monitoring · Series E $250M

Observability and AI Monitoring

Series E

$250M

HQ

Powers the AI Cloud platform combining Next.js, v0 AI development agent, and edge deployment infrastructure that turns natural-language prompts into production applications.

Build and Deploy · Series F $300M

Build and Deploy

Series F

$300M

HQ

AI-powered browser-based software creation platform that combines an online IDE, AI coding agent, and deployment infrastructure used by employees at 85% of Fortune 500 companies.

AI IDEs and Editors · Series D $400M

AI IDEs and Editors

Series D

$400M

HQ

Creator of Devin, the first autonomous AI software engineer that can plan, write, test, and deploy complete software projects from natural-language specifications.

Coding Agents · Series C $400M

Coding Agents

Series C

$400M

HQ

Cloud-scale observability platform that added LLM Observability for end-to-end tracing across AI agents with visibility into inputs, outputs, latency, token usage, and errors.

Observability and AI Monitoring · IPO $648M

Observability and AI Monitoring

IPO

$648M

HQ

Provides durable execution infrastructure that ensures AI agent workflows are resilient to failures, with automatic retries, state persistence, and human-in-the-loop orchestration for production-grade agents.

Agent Infrastructure · Series D $300M

Agent Infrastructure

Series D

$300M

HQ

AI lab building foundation models purpose-trained for software engineering, with a model architecture designed specifically for code generation and understanding rather than general-purpose conversation.

Foundation Models · Series B $500M

Foundation Models

Series B

$500M

HQ

Vibe-coding platform enabling developers and non-technical users to create and deploy web applications from natural-language prompts, reaching $200M ARR in under two years.

AI IDEs and Editors · Series B $330M

AI IDEs and Editors

Series B

$330M

HQ

Container platform that launched Docker Sandboxes for safe AI agent execution and Docker Hardened Images to provide trusted base environments for AI-generated code.

Build and Deploy · Series C $105M

Build and Deploy

Series C

$105M

HQ

Cloud-based CI/CD platform adapting to the AI era with AI-powered pipeline debugging, test-splitting optimization, and integrations with AI coding agents for automated build-and-test loops.

Build and Deploy · Series F $100M

Build and Deploy

Series F

$100M

HQ

Enterprise-focused AI coding assistant providing dependency mapping, architectural analysis, and context-aware code generation tuned for large-scale, complex codebases.

AI IDEs and Editors · Series B $227M

AI IDEs and Editors

Series B

$227M

HQ

ML experiment tracking and model monitoring platform used by OpenAI, NVIDIA, and Meta to track training runs, evaluate models, and monitor production machine learning systems.

Observability and AI Monitoring · Growth $50M

Observability and AI Monitoring

Growth

$50M

HQ

Provides Cody, an AI coding assistant that uses repository-wide code search and context to answer questions, generate code, and explain codebases with deep understanding of the full code graph.

Code Search and Intelligence · Series D $125M

Code Search and Intelligence

Series D

$125M

HQ

Developer-first application monitoring platform that uses AI to achieve 95% root-cause accuracy on errors and is expanding into automated code remediation and AI code review.

Observability and AI Monitoring · Series E $90M

Observability and AI Monitoring

Series E

$90M

HQ

Web deployment platform pioneering Agent Experience (AX) — infrastructure built for AI agents to deploy and manage projects through MCP servers, Agent Runners, and natural-language-driven provisioning.

Build and Deploy · Series D $105M

Build and Deploy

Series D

$105M

HQ

Provides the dominant open-source framework for building AI agents plus LangSmith, a commercial platform for tracing, evaluating, and monitoring LLM-powered applications in production.

Observability and AI Monitoring · Series B $125M

Observability and AI Monitoring

Series B

$125M

HQ

Observability platform built for high-cardinality data exploration, using AI-powered querying and anomaly detection to help engineering teams understand complex distributed systems.

Observability and AI Monitoring · Series D $50M

Observability and AI Monitoring

Series D

$50M

HQ