Simulithic claims 10x faster CI by running only tests touching PR changes
KlausCodes · x · 2026-10-31
Simulithic shares how it made customer CI 10x faster: most CI time goes to tests, especially flaky re-runs plus AI-generated slop tests. Its approach runs only tests that directly or transitively touch what the PR changed — no overlap, no run; any overlap, it runs. The YC-backed startup also offers one-command user-flow mapping (simulithic map), cross-device verification in isolated VMs, Claude Code/Codex integration, and production checks every 30 minutes with Slack alerts.
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