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simstudioaiWhat its open source looked like when it raised

Build, deploy, and orchestrate AI agents. Sim is the central intelligence layer for your AI workforce.

Website
www.sim.ai
Repository
simstudioai/sim
First commit
Stars today
29,503
Forks
3,805

The round

Series A announced 12 Nov 2025

$7M
Standard Capital
Source: company announcement, sim.ai

The repository was 10 months old on the day the round was announced.

Monthly reconstruction

GitHub stars, 1 Feb 2025 – 1 Feb 2026

13 observations · one per month

3,2406,4809,72012,970 12 Nov 2025 — round announced 11,184 14,471 Mar ’25May ’25Jul ’25Sep ’25Nov ’252026
Stars, reconstructed month by month Funding announcement

What the curve says

The announcement did not visibly change the slope

In the 273 days to 1 Nov 2025 the repository added 11,177 stars. In the 92 days after, it added 3,287 — a rate 1.1× lower.

11,184
stars on 1 Nov 2025, the last reading before the round
40.9/day
1 Feb 2025 – 1 Nov 2025, before
35.7/day
1 Nov 2025 – 1 Feb 2026, after

What this does not show

  • Stars measure attention, not revenue, adoption or retention.
  • Each point is a month-end reading reconstructed from public event data, not a direct observation. Movement inside a month is invisible here, and the level can be understated.
  • A single launch post can produce a step like this without any change in usage.

We have been recording simstudioai/sim since 1 Feb 2025.

Finding companies at that stage is the product. Contributor pedigree, enterprise-demand signals and our ranking sit behind the login.

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