Niche — LLM
Foundation model & LLM startups
Foundation model and LLM-focused companies — from frontier labs to fine-tuning, RAG, and specialized models.
- Perplexity AI
The answer engine for the curious mind
- Mistral AI
Frontier AI in your hands, open and accessible
- Cohere
Enterprise AI for every business
- AfterQuery
We teach machines how experts think
- Parallel
A parallel web, for AIs
- Fireworks AI
Fast, affordable LLM inference API
- Letta
Memory-first infrastructure for AI agents
- Vellum AI
LLM product development and evaluation platform
- Qdrant
High-performance vector search engine
- Chroma
Open source AI-native embedding database
- Trim
A foundation model for physics.
- Mecha Health
Foundation models to automate x-ray analysis for radiologists
- Rewbi
Uses AI to increase grid-connected battery storage revenue 2x
- The Forecasting Company
Foundation models for time series
- Anthrogen
Training the next generation of protein foundation models
- Writer
Full-stack generative AI for enterprises
- LangChain
Framework for building LLM-powered applications
- Anyscale
Scale Python and AI applications on any infrastructure
- AnythingLLM
The all-in-one open source AI desktop application
- CAMEL AI
Open source multi-agent AI research framework
- Ollama
Run large language models locally
- OpenRouter
Unified API for every major LLM
- Traceloop
Open-source LLM observability with OpenTelemetry
- Portkey
AI gateway and LLMOps platform for production
- Humanloop
Prompt management and LLM evaluation platform
- Voiceflow
Platform to design and deploy AI agents
- AI21 Labs
Enterprise LLMs built for reliability and reasoning
- Predibase
Fine-tune and serve LLMs at scale
- Argilla
Open-source data labeling platform for AI
- Jan
Open source ChatGPT alternative that runs offline
- Vapi
Voice AI infrastructure for developers
- LlamaIndex
Data framework for building LLM applications
- Nomic AI
Open-source embeddings and data visualisation
- Unstructured
Parse and prepare any document for LLMs
- Osmo
Digitizing the sense of smell with AI
- Nous Research
Open-source frontier AI research and fine-tuning
- Liquid AI
Novel AI architecture with Liquid Foundation Models
- Fixie
An automation platform for large language models
- TwelveLabs
Multimodal foundation models for video understanding
- Physical Intelligence
Bringing AI into the physical world
- Writer
Generative AI for content teams
- New Generation
A new kind of AI for commerce
- V7
The data engine for computer vision
- Lorikeet
AI-powered customer support platform
- Veris AI
Training ground for enterprise AI agents
- You
AI for productivity
- Adaptive ML
AI, tuned to production
- Mirage
Short-form videos powered by AI
- Inflection AI
Enterprise AI that works for you
- TensorZero
Open-source LLM infra
- StackAI
No-code platform to build AI agents
- Eudia
Augment your legal team with AI
- Dyna Robotics
High performance general-purpose robots
- Summation
Decision-grade AI platform
- Datacurve
Frontier code data for foundation models
- Reflection
Frontier open intelligence accessible to all
- Credal
Secure AI assistants for enterprise
- Pienso
No-code tools for training AI models
- Sapien
AI coworker for CFOs
- Osmosis
Create task-specific models that beat foundation models
- Tensormesh
The caching layer built for LLM inference
- DeepJudge
Precision AI search for legal teams
- Poolside
Frontier research to operational intelligence
- Relace
LLMs for code generation
- Inception
Pioneering a new generation of LLMs
- Fastino
Task-specific Language Models
- Peec AI
AI search analytics for brands
- Flexion Robotics
The next generation of humanoids
- LGND
ChatGPT for the Earth
- Contextual AI
Build specialized RAG agents
- General Intuition
The frontier research lab dedicated to games
- LLMArena
Find the best AI for you
- Mytra
Automated robotic storage
- Parloa
Conversation AI for customer service
- Inferact
The world's AI inference engine
- Adaline
Iterate, evaluate, deploy, and monitor LLMs
- Archetype
Encoding the physical world
- Decart
A new era of real-time generative experiences
- Modular
VMware for the AI era
- Positron
Energy-efficient AI chips
- Paradigm
Agentic spreadsheets
- Floqer
The CRM data engine