Active RL-environment vendors (directory count)

Active commercial vendors in rl-list.com's directory of reinforcement-learning environment suppliers, at each directory release.

Why it matters. The return arrow's supply side: environments are how deployment feedback becomes training signal today, and the vendor count is the only public series on that market.

Proxy types

market_structure

Unit

count

Cadence

quarterly

Valve

return arrow

• series rl_list.commercial.active_vendor_count.pt
• source rl-list.com RL-environment vendor directory · default tier 6 · Directory; counts only

A directory maintained by one person; the count is a floor and the 'active' tag is self-reported by vendors.

1 observations. Hollow points are disputed (see counterevidence). Every point links to its observation.

rl-list.com's directory (generated 15 Jul 2026) lists 24 active commercial RL-environment vendors of 38 entries, inside the normal band (a few dozen, a specialist market). A single directory maintained by one person, tier 6, so the status is capped at emerging. Initial seed.

The tracker's prior expectation was consistent with normal; the evaluator reads emerging. The evaluator wins until a reviewed override.

• 2026-07-15 commercial · 24as of 2026-07-15

1. 2026-09-10○unmeasured →to ◐emergingconf — → 35 · evaluate

   rl-list.com's directory (generated 15 Jul 2026) lists 24 active commercial RL-environment vendors of 38 entries, inside the normal band (a few dozen, a specialist market). A single directory maintained by one person, tier 6, so the status is capped at emerging. Initial seed.

   obs:9d5a213e

35 / 95 — limited or vague evidence

Confidence is independent of status: 90–95 multiple strong independent sources; 70–89 good evidence, some ambiguity; 50–69 mixed or hard to operationalise; below 50 limited or vague.

• Continual-learning ladder (highest production rung) ◐emerging
• Crosswalk: Return arrow ⇄ Training input (return arrow)