Greptile vs Momentic
Side-by-side comparison of AI visibility scores, market position, and capabilities
SF AI code review platform with full codebase context catching 3x more bugs than diff-only tools; YC W24 $29.1M Benchmark Series A at $180M valuation serving PostHog and Raycast competing with GitHub Copilot for PR review automation.
About
Greptile is a San Francisco-based AI code review platform — backed by Y Combinator (W24) with $29.1 million raised including a $25-30 million Series A at $180 million valuation led by Benchmark in September 2025 and a $4.1 million seed led by Initialized Capital — providing software engineering teams with automated code review that understands the full codebase context (not just the changed lines in the PR), continuously monitoring GitHub repositories to catch bugs, enforce company-specific coding standards, and prevent regressions before merging, reviewing millions of code changes weekly for notable customers including PostHog, Raycast, and Y Combinator's internal engineering team.
AI-native end-to-end testing with natural language test creation and self-healing; $19.2M raised, 2B+ steps executed serving Notion, Webflow, Retool at 200M+ monthly steps.
About
Momentic is a San Francisco-based AI-native automated testing platform that enables development teams to create, execute, and maintain end-to-end tests using natural language — eliminating the traditional QA bottleneck where engineers write fragile selector-based test scripts that break every time the UI changes. Founded in late 2023 and backed by Standard Capital ($15 million Series A) with $19.2 million total raised, Momentic serves notable customers including Notion, Webflow, and Retool, achieving 2 billion+ total test steps executed and 2,600+ active users processing 200 million+ test steps per month.
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