CodeRabbit raised $143 million in a Series C round at a $1.5 billion valuation, announced August 12, 2026 and led by Atomico and Smash Capital. The round nearly triples the company's valuation from its Series B less than a year earlier, as demand for automated code review keeps climbing alongside the volume of AI-generated code.
Here's the full breakdown of the raise, the backers, and what CodeRabbit plans to do with the money.
What is CodeRabbit?
CodeRabbit is an AI-powered code review platform that automatically scans code for bugs and security flaws, with agentic change management features that validate and explain software changes. Founded in 2023 by Harjot Gill and Guritfaq Singh, the company sells into engineering teams that need to review code faster than humans alone can manage — a problem that's only grown as more code gets written or assisted by AI.
CodeRabbit's customer list spans hardware, finance and enterprise software: NVIDIA, BMW, Adyen, Indeed, JFrog, Trivago and Campfire all use the platform to review code changes before they ship. That range — from a chipmaker to an automaker to a payments company — suggests the need for automated code review isn't confined to any one industry vertical; it's a function of how much software any given company ships, not what that company sells.
The raise: $143M Series C
The headline numbers:
- Amount: $143 million
- Round: Series C
- Valuation: $1.5 billion
- Announced: August 12, 2026
- Lead investors: Atomico, Smash Capital
For context, CodeRabbit's valuation has climbed fast: a $16 million Series A in August 2024 was followed by a $60 million Series B at a $550 million valuation in September 2025. Roughly a year later, the Series C nearly triples that valuation to $1.5 billion — a pace that reflects how quickly AI code review has gone from a nice-to-have to a core part of engineering workflows.
Going from a $16 million Series A to a $1.5 billion valuation in exactly two years is a steep climb even by 2026 AI-funding standards, and it tracks a broader pattern: developer-tooling startups that can show measurable usage — reviews run, bugs caught, hours saved — are being re-rated quickly as engineering teams shift budget toward AI-native tools.
Who invested in CodeRabbit?
The round was led by Atomico and Smash Capital, with participation from:
- BMW i Ventures
- Datadog
- Hirtle Callaghan
- SineWave Ventures
- Scenic Management
- CRV
- Scale Venture Partners
Datadog's participation is a notable strategic signal — as an observability company, it sits adjacent to the developer-tooling stack CodeRabbit occupies, and BMW i Ventures' involvement mirrors BMW's existing status as a CodeRabbit customer. Hirtle Callaghan and Scenic Management, both wealth and asset managers, round out a syndicate that mixes strategic corporate investors with more traditional growth-stage capital — a sign that CodeRabbit's revenue trajectory is attracting investors beyond the usual developer-tools venture funds.
What CodeRabbit will do with the money
CodeRabbit says the funding will go toward international expansion into London, Japan and Asia, core platform R&D, and a $10 million-plus commitment to free AI code review for open-source projects.
The open-source commitment is a deliberate distribution play: giving away free review access to open-source maintainers builds developer trust and adoption in exactly the community that later drives enterprise purchasing decisions. Expanding into London, Japan and Asia also signals CodeRabbit is chasing engineering teams outside the US market first, rather than waiting to saturate domestic demand before going global.
Why it matters
- AI-generated code needs AI-scale review. CodeRabbit says it processes more than 2 million code reviews per week — a volume that would be impossible for human reviewers alone, and one that's only growing as more code in production is written with AI assistance.
- Growth, not just hype, is driving the valuation. CodeRabbit's reported 5x year-over-year revenue growth is the kind of metric that justifies tripling a valuation in under a year, distinguishing it from AI startups raising on narrative alone.
- Code review is becoming a core AI agents category. CodeRabbit's raise sits alongside a broader wave of AI agents funding in 2026, where investors are backing tools that don't just generate code but validate and govern it — a distinct and increasingly essential layer as AI-written code becomes the norm.
CodeRabbit's Series C is a strong marker that AI code governance — reviewing, validating and explaining code changes — has become as fundable a category as code generation itself.
Source: CodeRabbit raises $143M Series C at $1.5B valuation
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