YC Spring 2026 (P26) founder

Heng Hong Lee

Founder of Lightsprint, Collaborative product development with cloud agents

Company

Heng Hong Lee is listed as a founder of Lightsprint. Lightsprint is a collaborative platform for software teams to plan visually, preview live and ship with an army of cloud agents. Your whole team, including non-engineers, can now ship end to end reliably. The company is founded by Ben Ong, an AI investor who previously scaled AI products at SEA Group (NYSE: SE) and Temasek ($300B fund), Benedict Chan who was VP Engineering at Chainlink and CTO at BitGo (NYSE:BTGO), and Heng Hong Lee who built Facebook Messenger in 2013 and was Director of Engineering at Fazz (YC S17).

Founder traction evidence

Public posts and activity attributed directly to this founder.

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    By far one of the most common questions about @lightsprintai is how merge conflicts are handled at scale. We thought so too! But counterintuitively, the agent actually is able to handle it easily. thats because it can easily figure out with the context of both authors!

    By far one of the most common questions about @lightsprintai is how merge conflicts are handled at scale. We thought so too! But counterintuitively, the agent actually is able to handle it easily. thats because it can easily figure out with the context of both authors!

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    Excited to launch this today! Talk to us if you'd like to move quickly and ship things as a team :D Quote Lightsprint(YC P26) @lightsprintai · May 21 We’re launching the missing team layer for AI-powered development The SDLC was built around coding. Coding has changed, and the SDLC must be updated. Lightsprint makes agentic development collaborative with visual plan mode, parallel cloud agents and PR preview x.com/ycombinator/st…

    Excited to launch this today! Talk to us if you'd like to move quickly and ship things as a team :D Quote Lightsprint(YC P26) @lightsprintai · May 21 We’re launching the missing team layer for AI-powered development The SDLC was built around coding. Coding has changed, and the...

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    Try it out today! :D Quote Garry Tan @garrytan · May 6 http:// Lightsprint.ai has created hosted GStack, so it's the fastest way to get going on creating new things

    Try it out today! :D Quote Garry Tan @garrytan · May 6 http:// Lightsprint.ai has created hosted GStack, so it's the fastest way to get going on creating new things

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    Exactly. Skills matter when they package judgment, not just prompts. Models change quickly; good ways of scoping, reviewing, debugging an...

    Exactly. Skills matter when they package judgment, not just prompts. Models change quickly; good ways of scoping, reviewing, debugging and verifying change much more slowly. Skills are how those practices become portable.

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    RT @lightsprintai : We’re live! Try us out on https:// lightsprint.ai Quote Y Combinator @ycombinator · May 21 Lightsprint (@lightsprintai) is a collaborative platform that helps teams plan visually, manage cloud agents in parallel, preview changes live and ship product reliably. Congrats on the launch, @benversel, @HengHongLee, and @bencxr! https:// ycombinator.com/launches/QSs-l ightsprint-the-collaborative-product-development-platform … 0:06 / 1:06

    RT @lightsprintai : We’re live! Try us out on https:// lightsprint.ai Quote Y Combinator @ycombinator · May 21 Lightsprint (@lightsprintai) is a collaborative platform that helps teams plan visually, manage cloud agents in parallel, preview changes live and ship product...

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    This is the benchmark shift that matters: test agents on your own work. Public scores miss task mix, cost, latency, reviewer corrections ...

    This is the benchmark shift that matters: test agents on your own work. Public scores miss task mix, cost, latency, reviewer corrections and whether the output survives merge. Internal evals are becoming company infrastructure.

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    This is the direction we believe in at Lightsprint: agents should sit inside a shared shipping loop, not another chat box. Product intent...

    This is the direction we believe in at Lightsprint: agents should sit inside a shared shipping loop, not another chat box. Product intent, code-aware planning, parallel execution, previews and engineering review belong in one surface.

  8. X

    Cloud agents are the default now. for every task just run it , and figure out how to steer it when it fails. if you plan well its likely that steering is not needed

    Cloud agents are the default now. for every task just run it , and figure out how to steer it when it fails. if you plan well its likely that steering is not needed