YCW23· AI· DevtoolsRivet
Rivet Actors are the primitive for stateful workloads
ActiveChecked 16h ago
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
Adjacent
Overlapping tags, a different niche.
s2.devF25API for unlimited, durable, real-time streamsShared: open source, infrastructureActive
HatchetW24The orchestration platform for teams who ship.Shared: open source, infrastructureActive
Mem0S24The Memory layer for AI AgentsShared: open source, infrastructureActive
UnifyW23Models that keep learningShared: open source, infrastructureActive
OneTriangleS26The cheapest, fastest inference cloudShared: open source, infrastructureActive
Also from W23 in AI
Batchmates in Winter 2023.
ReflexW23The operating system for building mission-critical enterprise apps.Active
DAGWorks Inc.W23Open source tools & services for reliable AI Agents & AI ApplicationsAcquired
FernW23Instantly offer SDKs and API DocsAcquired
HeliconeW23LLM Observability for DevelopersAcquired
LangfuseW23Open source LLM engineering platformAcquired
LiteLLMW23Call every LLM API like it's OpenAI [100+ LLMs]Active
Outside YC
Similar companies on companies.fru.dev.
About Rivet
Rivet Actors are the primitive for stateful workloads. Built for AI agents, collaborative apps, and durable execution. Open-source.
San Francisco, CA, USA
Rivet: questions
Which YC batch was Rivet in?
Rivet was in Y Combinator's Winter 2023 batch (W23).
Is Rivet still active?
Y Combinator lists Rivet as active.
Where is Rivet based?
Rivet lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.