StartupY Combinator (S26)
Bullet
A faster coding agent, from the Y Combinator Summer 2026 batch.
Bullet launched on Hacker News in August 2026 as "a faster coding agent", a new first-party coding harness competing on speed. The Launch HN post drew 121 points and 89 comments. The company is part of Y Combinator's Summer 2026 batch.
Neighbours in the directory
San Francisco, CA · Est. 2023
Devin, the AI software engineer, and the Windsurf IDE.
Cognition builds Devin, an autonomous AI software engineer that plans and executes engineering tasks end-to-end, and acquired the Windsurf agentic IDE in 2025. One of the defining startups of the coding-agent wave.
~$10.2B valuation (Sep 2025)
San Francisco, CA · Est. 2022
The AI-native code editor where agent mode lives.
Cursor rebuilt the IDE around models: tab completion, in-editor chat and agent mode that plans multi-file edits and runs commands. Its rise set the pace for the entire coding-agent market.
~$29B valuation (late 2025)
San Francisco, CA · Est. 2023
Droids: AI workers for software teams.
Factory's 'droids' take engineering tickets from issue to pull request, with sandboxed environments and enterprise controls — agents as members of the dev workflow.
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Similar entries · 3
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- ForgeCodeProject
Sources
Verified Oct 29, 2026