YCS23· AI· DevtoolsChatter
Dead simple LLM testing and iteration
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
BaserunS23Observability and evaluation platform for LLM apps.Shared: aiops, developer toolsActive
PareaS23Test, evaluate & observe your LLM applicationsShared: developer toolsActive
OpenToolsS23The API for LLM tool useShared: llmActive
HeliconeW23LLM Observability for DevelopersShared: aiops, developer toolsAcquired
Query VaryW22No-Code LLM Application / Workflow BuilderShared: aiops, developer toolsActive
Adjacent
Overlapping tags, a different niche.
LiteLLMW23Call every LLM API like it's OpenAI [100+ LLMs]Shared: aiops, developer toolsActive
AtlaS23The improvement engine for AI agentsShared: aiops, developer toolsInactive
Airtrain AIS22No-code data curation for LLM fine-tuning and evaluation.Shared: aiops, developer toolsInactive
AutomorphicS23Infuse knowledge into language models with just 10 samplesShared: aiops, developer toolsActive
LaminarS24Understand why your AI agent breaks. Iterate fast to fix it.Shared: aiops, developer toolsActive
Also from S23 in AI
Batchmates in Summer 2023.
CedanaS23Fast, reliable, reproducible AI with GPU live migrationActive
CodeStoryS23Aide is an AI-native , privacy-first IDE built on top of VSCodeInactive
Cognitio LabsS23AI back office for food product quality teamsActive
ContinueS23Pioneering open-source coding agentAcquired
CORES23Your AI butler that understands you really well and proactively acts…Active
CorgeaS23Corgea finds, and fixes insecure code and packages autonomously.Active
About Chatter
Chatter is Postman for LLMs. Our platform helps companies and developers test their LLM models. Iterate on prompts, run them across model families and evaluate them against test cases – all in one place. With collaboration features, engineers can design LLM chains while QA can write test cases.
Philadelphia, PA, USA
Chatter: questions
Which YC batch was Chatter in?
Chatter was in Y Combinator's Summer 2023 batch (S23).
Is Chatter still active?
Y Combinator lists Chatter as acquired.
Where is Chatter based?
Chatter lists Philadelphia, PA, 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.