A working map of 140+ companies across the stack. Filter by layer or search by name. AI Circle partners are marked.
AI Developer Platforms
Open-source framework for building AI agents. LangSmith adds observability, evaluation, and deployment.
AI Developer Platforms
Platform for enterprise document processing and document-powered AI agents. Its open-source framework covers RAG and workflows.
AI Developer Platforms
Open-source hub hosting over a million ML models, datasets, and demo apps.
AI Developer Platforms
Cloud platform for building, training, and deploying AI models from the browser with zero infrastructure setup.
AI Developer Platforms
Enterprise RAG platform for building agents grounded in company data. Founded by the creators of RAG.
AI Developer Platforms
Frontend cloud platform whose AI SDK powers AI apps and generated UI.
AI Developer Platforms
AI lab building efficient, open-weight language models for production from edge to cloud.
AI Developer Platforms
Compute platform from the creators of Ray for scaling training, inference, and data processing.
Local LLM Runtimes
Run LLMs locally with simple terminal commands and a local API.
Local LLM Runtimes
Desktop app for running LLMs locally with a built-in chat UI and OpenAI-compatible API.
Local LLM Runtimes
On-device GenAI for running LLM, vision, and audio models across CPUs, GPUs, and NPUs. Formerly Nexa AI, now part of Qualcomm.
Agent Platforms
Open-source framework for multi-agent systems with asynchronous messaging and built-in observability.
Agent Platforms
Open-source framework and cloud platform for building role-based multi-agent systems.
Agent Platforms
Low-code platform for building agents connected to business data and published across Teams and the web.
Agent Platforms
Google Cloud platform for building, deploying, and governing enterprise agents with access to 200+ models.
Agent Platforms
Autonomous agents across Salesforce Customer 360 for sales, service, marketing, and commerce.
Agent Platforms
Framework for complex single- and multi-agent workflows with loops, branches, and human-in-the-loop checks.
Agent Platforms
Now Assist embeds AI search, summarization, and agents across IT, HR, and customer service workflows.
Agent Platforms
Enterprise generative AI platform for custom agents and workflows with brand-voice guardrails.
Agent Platforms
Enterprise search, assistant, and agents on a permission-aware knowledge graph across 100+ workplace apps.
Agent Platforms
Low-code agent framework with pre-built RAG pipelines that deploys on private cloud.
Agent Platforms
No-code enterprise agents connected to company knowledge for sales, marketing, and support.
Agent Platforms
Build agents via chat, low-code, or code. Includes evaluations and production monitoring.
Agent Infrastructure
Microsoft Semantic Kernel
Open-source SDK for integrating LLMs and agents into C#, Python, or Java code bases.
Agent Infrastructure
Python framework for building Model Context Protocol servers and clients.
Agent Infrastructure
Web scraping API that turns websites into clean, LLM-ready markdown or structured data.
Agent Infrastructure
Observability, session replays, and cost tracking for AI agents across 400+ frameworks.
Agent Infrastructure
Declarative framework for building modular AI systems with code instead of prompts. It compiles modules into optimized prompts and weights.
Observability & Evaluation
End-to-end platform for evaluating LLM apps: logging, evals, prompt management, and datasets in one place.
Observability & Evaluation
Tracing, evaluation, and prompt optimization for LLM apps and agents in production.
Observability & Evaluation
Observability and evaluation platform that turns offline evals into production guardrails.
Observability & Evaluation
Evaluation platform for LLMs, RAG, and agents. Its Lynx model handles hallucination detection.
Observability & Evaluation
Pre-production evaluation, runtime guardrails, and monitoring for ML, GenAI, and agentic systems.
Observability & Evaluation
Open-source LLM engineering platform for tracing, evals, and prompt management.
AI Safety & Security
Open-source toolkit for content moderation, jailbreak prevention, topic control, and PII detection.
AI Safety & Security
Open-source framework for validating and constraining LLM inputs and outputs.
AI Safety & Security
Proxy between apps and model providers that moderates prompts and responses with compliance logging.
AI Safety & Security
Discover, inventory, test, and remediate enterprise AI systems for vulnerabilities and compliance.
AI Safety & Security
Protects employees, apps, code assistants, and agents from prompt injection, data leaks, and jailbreaks.
AI Safety & Security
Runtime security, red-teaming, and observability for GenAI models and agents. Formerly CalypsoAI, acquired by F5 in 2025.
AI Safety & Security
Custom supervisor models, guardrails, and automated red-teaming to get AI from POC into production.
AI Safety & Security
Real-time security for GenAI applications against prompt attacks and data leakage.
Routing & Prompt Management
Databricks Mosaic AI Gateway
Unified gateway to govern models and agents with guardrails and usage tracking.
Routing & Prompt Management
LLM routing that picks the optimal model per request by balancing cost, latency, and quality.
Routing & Prompt Management
Log, version, and iterate on prompts in production.
Routing & Prompt Management
One API for hundreds of models across providers.
AI Governance
Lifecycle management, risk monitoring, and regulatory compliance for models, apps, and agents.
AI Governance
Governance for generative AI, agents, and third-party vendors with automated risk assessment and reporting.
AI Governance
Privacy, risk, data, and compliance controls across the AI lifecycle.
AI Governance
Unified data security, AI governance, access controls, and LLM firewalls.
MLOps
Experiment tracking, artifacts, LLM fine-tuning, and GenAI tracing with Weave.
MLOps
Open-source platform for the full ML lifecycle across traditional ML and GenAI.
MLOps
Enterprise MLOps platform for building, deploying, and monitoring models across hybrid cloud.
MLOps
Open-source inference platform to package, optimize, and serve any model with autoscaling.
MLOps
Real-time feature serving for ML and AI agents with train/serve consistency. Includes Tecton, acquired by Databricks in 2025.
Data Generation & Labeling
AI Circle partnerHuman data platform connecting AI teams with vetted participants and domain experts for evaluation and training data.
Data Generation & Labeling
AI Circle partnerAI data and services company supporting model training, evaluation, and deployment.
Data Generation & Labeling
AI Circle partnerHuman-annotated training and evaluation data across languages and modalities.
Data Generation & Labeling
AI Circle partnerAI-powered translation and multilingual data. Services include hyper-localized evaluation for global models.
Data Generation & Labeling
Delivers coding, reasoning, and post-training data to frontier labs and helps enterprises deploy AI. Led by an AI Circle member.
Data Generation & Labeling
Expert human data for training and evaluating frontier models. Led by an AI Circle member.
Data Generation & Labeling
Data engine for frontier AI: labeling, RLHF, model evaluation, and fine-tuning.
Data Generation & Labeling
Data factory for AI teams: labeling services, RLHF, model evaluation, and alignment data.
Data Generation & Labeling
Data annotation for GenAI, computer vision, and RLHF with built-in QA.
Data Generation & Labeling
Expert annotation, RLHF, and red-teaming across 90+ domains and 40+ languages.
Data Generation & Labeling
High-skill human data and RLHF for frontier model training.
Data Generation & Labeling
Labeling and document processing for images, video, and documents. Also includes extraction agents.
Data Generation & Labeling
Curate, visualize, and evaluate image and video datasets at scale.
Data Generation & Labeling
Search, classify, and tag visual content at scale.
Data Generation & Labeling
Synthetic data with de-identification and redaction for testing and ML training.
Data Science
Open-source interactive notebooks for data science across 40+ languages.
Data Science
Visual, open-source platform for data blending, analytics, and ML workflows.
Data Science
RStudio, Shiny, and other open-source data science tooling for R and Python.
Data Science
MATLAB and Simulink for analysis, algorithm development, and model-based design.
Data Science
Collaborative data notebooks with built-in AI assistance.
Enterprise AI Platforms
Build analytics, ML models, and agents in one governed environment.
Enterprise AI Platforms
AI data cloud for data agents, unstructured data analysis, and ML inside a governed perimeter.
Enterprise AI Platforms
Privately deployable AI workspace combining LLMs, search, and agents.
Enterprise AI Platforms
OpenAI's enterprise workspace with admin controls, SSO, and no training on your data.
Enterprise AI Platforms
Build, operate, and govern AI agents at enterprise scale.
Enterprise AI Platforms
Generative and predictive AI with air-gapped and on-prem deployment.
Enterprise AI Platforms
Turnkey enterprise AI applications for maintenance, forecasting, fraud, and supply chain.
Speech & Voice
Real-time voice AI on state space models: ultra-low-latency TTS (Sonic) and STT (Ink).
Speech & Voice
Text-to-speech, voice cloning, dubbing, and conversational voice agents.
Speech & Voice
Research company building lifelike conversational voice companions.
Speech & Voice
Developer platform for voice agents with sub-500ms latency and telephony integrations.
Speech & Voice
Speech-to-text and voice AI APIs for real-time applications.
Speech & Voice
Speech AI models for transcription and audio understanding.
Computer Vision
AI Circle partnerMultimodal data platform to manage, curate, and annotate image, video, and document data for training and aligning models.
Computer Vision
Dataset management, AI-assisted annotation, training, and deployment for visual AI.
Computer Vision
Open-source computer vision library with 2,500+ optimized algorithms.
Frontier Labs
Research lab behind GPT models, ChatGPT, and the OpenAI API.
Frontier Labs
AI safety and research company building the Claude family of models.
Frontier Labs
Google's AI research lab behind Gemini, AlphaFold, and foundational work in reinforcement learning.
Frontier Labs
Meta's AI research organization behind the open-weight Llama models.
Frontier Labs
Enterprise-focused foundation models for generation, search, and retrieval.
Frontier Labs
Research company building the Grok frontier reasoning model with real-time search and tool use.
Frontier Labs
French lab building open and commercial models, the Le Chat assistant, and the Codestral coding model.
Frontier Labs
Chinese lab developing cost-efficient open-weight models such as DeepSeek-V3 and R1.
Frontier Labs
Research lab building customizable, collaborative AI systems.
Frontier Labs
Research company building tools for human-AI collaboration. Its Sculptor tool coordinates coding agents.
Frontier Labs
Multimodal foundation models for text, image, audio, and video.
Frontier Labs
Tokyo lab developing nature-inspired models through evolutionary model merging.
Research Institutes
Allen Institute for AI: open language models (OLMo, Tülu), multimodal models (Molmo), and AI for science.
Research Institutes
Paris open-science lab behind the real-time speech-native dialogue model Moshi.
Research Institutes
Quebec AI Institute founded by Yoshua Bengio. It has 1,400+ researchers.
Research Institutes
Toronto nonprofit advancing AI research, trustworthy AI, and talent development.
Research Institutes
AT
The Alan Turing Institute
UK national institute for data science and AI research and policy.
Research Institutes
Pan-European network of 1,800+ machine learning researchers across 17 countries.
Research Institutes
Nonprofit researching and reducing societal-scale AI risks.
Research Institutes
Stanford's Human-Centered AI institute and publisher of the annual AI Index.
Research Institutes
Consortium behind MLPerf benchmarks and the AILuminate safety evaluations.
Research Institutes
Research on trends in AI compute, data, and capabilities.
Research Institutes
Nonprofit research collective focused on open models and interpretability.
GPU Cloud
AI Circle partnerAI-native cloud with NVIDIA H100, H200, and Blackwell GPUs, InfiniBand networking, and managed Kubernetes.
GPU Cloud
On-demand GPU instances and 1-Click Clusters for training and inference.
GPU Cloud
Energy-first AI data centers with GPU cloud and managed inference.
GPU Cloud
AI cloud with Blackwell-class GPUs and managed Kubernetes and Slurm clusters.
GPU Cloud
On-demand and reserved H100 capacity with deployment blueprints.
GPU Cloud
On-demand and serverless GPUs across 30+ GPU types and global regions.
GPU Cloud
Python-driven serverless cloud for AI workloads with sub-second cold starts.
GPU Cloud
Inference platform with optimized model APIs and multi-cloud autoscaling.
GPU Cloud
European sovereign cloud with GPU clusters and managed inference.
Inference & Serving
Fast, cost-efficient inference for open models with fine-tuning and OpenAI-compatible APIs.
Inference & Serving
Inference, fine-tuning, and GPU clusters for open-source models.
Inference & Serving
Low-latency inference on custom LPU hardware via GroqCloud.
Inference & Serving
Inference on custom dataflow chips via cloud APIs or on-prem.
Inference & Serving
Open-source high-throughput LLM inference engine built on PagedAttention.
Inference & Serving
Open-source serving framework for LLMs and multimodal models.
Inference & Serving
Inference compiler and runtime. Its TensorRT-LLM version targets large language models.
AI Hardware
GPUs, the CUDA ecosystem, and full-stack systems for AI training and inference.
AI Hardware
Instinct accelerators and the open-source ROCm software stack.
AI Hardware
Custom tensor processing units for training and inference on Google Cloud.
AI Hardware
AWS Trainium & Inferentia
Custom AWS chips for lower-cost training and inference.
AI Hardware
Wafer-scale processors for fast training and inference.
AI Hardware
CPUs and Gaudi AI accelerators for data centers.
AI Hardware
RISC-V based AI processors and open software.
Edge AI
Mobile and PC processors with Hexagon NPUs for on-device inference.
Edge AI
Machine-learning system-on-chip processors for physical AI at the edge.
Edge AI
Build and deploy ML models on embedded devices. The workflow runs from data collection to optimization.
Edge AI
Ruggedized mobile data centers bringing compute and AI to remote sites.