RL Environments

A catalogue of reinforcement learning environments and tooling surfaces discovered across the ecosystem, with the companies that build them and the domains they simulate.

79 of 101 tracked entries in the 2026-08-30 snapshot.

Domain Location Source

79 entries

Environment	Company	Domains	Location	Team	Source
AfterQuery	AfterQuery	CodingComputer UseEnterprise Workflows	San Francisco, USA	51-200	rl-list
Mercor	Mercor	CodingEnterprise WorkflowsLong-Horizon	San Francisco, USA	51-200	rl-list
Prime Intellect	Prime Intellect	CodingEnterprise WorkflowsLong-HorizonMath	San Francisco, USA	11-50	rl-list
Surge AI	Surge AI	Enterprise WorkflowsLong-Horizon	San Francisco, USA	51-200	rl-list
Mechanize	Mechanize	CodingPrivate Codebases	San Francisco, USA	11-50	rl-list
Deeptune	Deeptune	CodingComputer UseEnterprise WorkflowsPrivate Codebases	New York, USA	11-50	rl-list
Sepal AI	Sepal AI	Enterprise WorkflowsLong-HorizonMath	San Francisco, USA	unknown	rl-list
Turing	Turing	CodingEnterprise WorkflowsPrivate Codebases	Palo Alto, USA	200+	rl-list
Fleet AI	Fleet AI	Computer UseEnterprise Workflows	New York, USA	11-50	rl-list
Gray Swan AI	Gray Swan AI		Pittsburgh, USA	11-50	rl-list
Scale AI	Scale AI	CodingComputer UseEnterprise WorkflowsLong-Horizon	San Francisco, USA	200+	rl-list
Modal	Modal	Coding	New York, USA	51-200	rl-list
Scale	Scale	Multi-DomainCoding	San Francisco, USA; New York, USA; Washington DC, USA; London, UK	250+	pavlovslist
Surge	Surge	Multi-Domain	San Francisco, USA; New York, USA; Seattle, USA	101-250	pavlovslist
micro1	micro1	Multi-Domain	San Francisco, USA	101-250	pavlovslist
Fleet	Fleet	Multi-DomainEnterprise Workflows	San Francisco, USA; New York, USA	51-100	pavlovslist
Bespoke Labs	Bespoke Labs	Long-Horizon	Mountain View, USA	11-50	rl-list
Vals AI	Vals AI		San Francisco, USA	11-50	rl-list
Morph	Morph	Coding	San Francisco, USA	1-10	rl-list
Andon Labs	Andon Labs	Computer UseLong-Horizon	San Francisco, USA	11-50	rl-list
Halluminate	Halluminate	Computer UseEnterprise Workflows	San Francisco, USA	1-10	rl-list
BenchFlow	BenchFlow	CodingComputer UseEnterprise Workflows	San Francisco, USA	1-10	rl-list
General Reasoning	General Reasoning	CodingLong-Horizon	London, UK	11-50	rl-list
Good Start Labs	Good Start Labs	Long-Horizon	Brooklyn, USA	1-10	rl-list
Chakra Labs	Chakra Labs	Computer Use	Brooklyn, USA	11-50	rl-list
Vmax	Vmax	CodingLong-Horizon	San Francisco, USA	1-10	rl-list
Datacurve	Datacurve	CodingPrivate Codebases	San Francisco, USA	11-50	rl-list
Proximal	Proximal	CodingLong-HorizonPrivate Codebases	San Francisco, USA	11-50	rl-list
HUD	HUD	Computer UseEnterprise Workflows	San Francisco, USA	11-50	rl-list
Cua	Cua	Computer Use	San Francisco, USA	1-10	rl-list
Huzzle Labs	Huzzle Labs	CodingComputer UseEnterprise WorkflowsLong-HorizonPrivate Codebases	London, UK	11-50	rl-list
Collinear	Collinear	CodingComputer UseEnterprise WorkflowsLong-Horizon	Mountain View, USA; Sunnyvale, USA	11-50	rl-list
Veris AI	Veris AI	Enterprise Workflows	San Francisco, USA	1-10	rl-list
Refresh	Refresh	CodingComputer UsePrivate Codebases	San Francisco, USA	1-10	rl-list
Andromede	Andromede	Long-Horizon	Lausanne, Switzerland	1-10	rl-list
Plato	Plato	Computer UseEnterprise Workflows	San Francisco, USA	1-10	rl-list
Runloop	Runloop	Coding	San Francisco, USA	11-50	rl-list
Matrices	Matrices	Computer Use	San Francisco, USA	11-50	rl-list
AIChamp	AIChamp	Enterprise WorkflowsLong-Horizon	San Francisco, USA	1-10	rl-list
Habitat Inc	Habitat Inc	CodingComputer UseEnterprise Workflows	New York, USA	1-10	rl-list
Daytona	Daytona	CodingComputer Use	New York, USA	11-50	rl-list
E2B	E2B	CodingComputer Use	San Francisco, USA	11-50	rl-list
Handshake	Handshake	Multi-Domain	San Francisco, USA; New York, USA; Bangalore, India; Berlin, Germany	250+	pavlovslist
Snorkel	Snorkel	Multi-DomainCoding	San Francisco, USA; Redwood City, USA; New York, USA	101-250	pavlovslist
Latch	Latch	Science	San Francisco, USA	51-100	pavlovslist
Patronus AI	Patronus AI	Multi-DomainCoding	San Francisco, USA	51-100	pavlovslist
Pareto	Pareto	Multi-DomainTool Use	San Francisco, USA	26-50	pavlovslist
Aptura	Aptura	FinanceEnterprise Workflows	London, UK; San Francisco, USA	11-25	pavlovslist
Quesma	Quesma	Security	Warsaw, Poland	11-25	pavlovslist
ReasonCore	ReasonCore	ScienceCoding	San Francisco, USA	11-25	pavlovslist
Abundant	Abundant	Coding	San Francisco, USA	1-10	pavlovslist
EdotEnv	EdotEnv	Long-HorizonML	San Francisco, USA	1-10	pavlovslist
Emulated	Emulated	CodingML	San Francisco, USA	1-10	pavlovslist
Markov	Markov	Computer UseTool Use	San Francisco, USA	1-10	pavlovslist
Metaphi	Metaphi	CodingEnterprise Workflows	San Francisco, USA; New York, USA	1-10	pavlovslist
pre.dev	pre.dev	CodingLong-Horizon	Delaware, USA	1-10	pavlovslist
Tacit Labs	Tacit Labs	ScienceLong-Horizon	San Francisco, USA	1-10	pavlovslist
Ulam	Ulam	Math	Warsaw, Poland; London, UK	1-10	pavlovslist
Parsewave	Parsewave	Long-Horizon	San Francisco, USA; Remote	51-100	pavlovslist
Taste Labs	Taste Labs	Design	New York, USA	26-50	pavlovslist
Verita AI	Verita AI	Design	San Francisco, USA; Vancouver, Canada	26-50	pavlovslist
ARIMLABS	ARIMLABS	SecurityLong-Horizon	Warsaw, Poland	11-25	pavlovslist
dmodel	dmodel	MLAlignment	San Francisco, USA	11-25	pavlovslist
Idler	Idler	Coding	San Francisco, USA	11-25	pavlovslist
Incalmo	Incalmo	Security	San Mateo, USA	11-25	pavlovslist
Preference Model	Preference Model	MLCoding	San Francisco, USA; Toronto, Canada; Seattle, USA	11-25	pavlovslist
Akhara	Akhara	Enterprise WorkflowsCoding	San Francisco, USA	1-10	pavlovslist
Anthromind	Anthromind	HealthcareLong-Horizon	San Francisco, USA	1-10	pavlovslist
Diffuse Labs	Diffuse Labs	MLLong-Horizon	Palo Alto, USA; San Francisco, USA	1-10	pavlovslist
Dissei	Dissei	Finance	London, UK	1-10	pavlovslist
Exabite	Exabite	Coding	Remote	1-10	pavlovslist
Hillclimb	Hillclimb	Math	San Francisco, USA	1-10	pavlovslist
Normal	Normal	Chip Design	San Francisco, USA	1-10	pavlovslist
Ooak Data	Ooak Data	Enterprise Workflows	San Francisco, USA; Paris, France	1-10	pavlovslist
Originator	Originator	Computer UseCoding	London, UK; Paris, France	1-10	pavlovslist
Phinity	Phinity	Chip Design	San Francisco, USA; Palo Alto, USA	1-10	pavlovslist
Theta	Theta	Enterprise Workflows	San Francisco, USA	1-10	pavlovslist
Trajectory Labs	Trajectory Labs	Alignment	Berkeley, USA; Toronto, Canada	1-10	pavlovslist
Vetto AI	Vetto AI	CodingComputer Use	San Francisco, USA; São Paulo, Brazil; London, UK	1-10	pavlovslist