Who competes with Enact?

Enact competes in the Industrials category against 6thSense, General Instinct, Efference, StableBrowse, Iron Grid and other Y Combinator-backed companies.

Enact alternatives: 12 options compared

Q: What are the best alternatives to Enact?

The closest alternatives to Enact are 6thSense, General Instinct, Efference. This page compares 12 alternatives on what each one does, funding stage, team size and operating status.

Q: Which Enact alternative should I choose?

6thSense is the closest match to what Enact does. Larger teams in the comparison table generally offer more support and a longer track record, while earlier-stage companies tend to compete on price.

Q: Is Enact still active?

Enact is currently listed as Active in the Y Combinator directory.

TL;DR: If you are replacing Enact, the closest options are 6thSense, General Instinct, Efference. The table below compares 12 alternatives on what they do, stage, size and status.

Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces Enact (YC Summer 2026).

Last verified: 2026-08-31

What are the best alternatives to Enact?

The three closest alternatives to Enact are:

6thSense — Nervous System for Physical AI (YC Summer 2026).
General Instinct — Inference Infrastructure for Physical AI (YC Spring 2026).
Efference — works in the same Industrials category (YC Fall 2025).

Enact alternatives compared

Alternative	What it does	Stage	Team	Status
6thSense	Nervous System for Physical AI	YC Summer 2026	4	Active
General Instinct	Inference Infrastructure for Physical AI	YC Spring 2026	2	Active
Efference	—	YC Fall 2025	12	Active
StableBrowse	Building the Data Infrastructure layer for Physical AI.	YC Spring 2026	3	Active
Iron Grid	Foundational models for risk and quality.	YC Summer 2025	2	Active
The Robot Learning Company	Tools for the next era of physical automation.	YC Spring 2025	1	Active
Boost Biomes	—	YC Summer 2019	12	Inactive
Taobotics	Autonomous robots for retails.	YC Winter 2019	11	Active
Parametric	Physical businesses that run themselves	YC Fall 2025	7	Active
General Astronautics	Robotics for Space R&D	YC Winter 2026	2	Active
ThereCraft	—	YC Summer 2017	1	Active
Cortex AI	Large-scale real-world robot & human data for embodied AI	YC Fall 2025	3	Active

Which Enact alternative should I choose?

It depends on your size. 6thSense is the closest match on what Enact actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.

Is Enact still active?

Enact is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.

How was this list put together?

Every company here is Y Combinator-backed and was matched to Enact on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.

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