Trae co-creator's coding-agent startup lands third round
Chinese startup Tokens Infinity, founded by the ByteDance executive behind MarsCode and Trae, closed a third round within a year for its enterprise coding-agent stack.
Three rounds inside twelve months
Beijing-based Tokens Infinity (词元无限) disclosed on Thursday that it has closed a new financing round led by Shanghai-based Linxin Capital with participation from Huakong Fund, its third round since being founded roughly a year ago. The company puts cumulative proceeds across the three rounds in the hundreds of millions of yuan.
The founding team is the draw. Chief executive Yang Ping was previously a ByteDance executive who built MarsCode and Trae, the company's AI coding products, and ran an AI transition across engineering organizations numbering in the tens of thousands. Chief technology officer Wang Wei is a Tsinghua computer science graduate from the first cohort of the Yao Class, and previously worked as a distributed systems architect and chief architect at a robotics unicorn.
An agent stack, not a chat assistant
Tokens Infinity is selling infrastructure for enterprise software engineering rather than a standalone assistant. Its lineup includes InfCode for code generation, InfTest for test automation, DeepMap for comprehending existing systems, and HarnessAgent for enforcing engineering rules. The company frames its design goals as full autonomy, high security and self-evolution — shorthand for agents that run unattended inside a company's own codebase and toolchain while staying inside policy.
Why it matters
The coding-agent market has bifurcated. On one side sit US-based products competing on frontier model access and developer experience; on the other, a growing set of Chinese vendors selling into large state-owned and industrial software organizations where code cannot leave the perimeter and where the binding constraint is legacy-system comprehension, not raw generation quality. That second market rewards exactly the pieces Tokens Infinity is assembling — system mapping, test generation, rule enforcement — and it is where operators from ByteDance's internal developer-tools effort carry unusual credibility. The round is small by frontier-lab standards, but it is a signal about where Chinese capital now expects agent revenue to come from: not seat licences for individual developers, but managed autonomy inside existing enterprise engineering pipelines.