Antfly rebuilds its search-and-inference database engine from Go into Zig
Antfly, a startup building a document, full-text, vector and graph indexing database, has released version 0.2 of its engine rewritten entirely in Zig with no external dependencies controlling core logic. The original v0.1 engine was built in Go, chosen for its concurrency support and mature Raft implementation, but the team decided to rewrite the system early rather than iterate on it.
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Rewriting a core product this early is generally considered risky for startups, so Antfly's choice signals strong conviction that Go's abstractions were limiting control over performance-critical paths like simulation testing and low-level memory behavior. The move toward Zig, inspired by TigerBeetle's approach to deterministic simulation testing, suggests a broader trend of infrastructure startups favoring low-level, dependency-free languages for reliability and speed over developer convenience.
- Antfly rewrote its full search-and-inference database engine from Go to Zig for v0.2.
- The rewrite removes external dependencies and adopts TigerBeetle-style simulation testing.
- The decision reflects a first-principles focus on system control over convenience, despite rewrite risks.
Source: antfly.io, 2026-09-15
Published there as: “A search-and-inference database from scratch in pure Zig”
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