AI-Buzz tracks 33 Foundation Models companies with $244.3B in combined funding and 838.0M monthly package downloads. Metrics update daily from GitHub, npm, PyPI, and Hacker News.
Leading companies include OpenAI, Anthropic, Hugging Face. Average developer sentiment across the category is 0% positive.
OpenAI leads with a Developer Momentum Index score of 49/100. 27 of 33 companies have active package downloads on npm or PyPI. Compare companies head-to-head on the comparison page, or see the full rankings for cross-category context.
Total HN mentions across all companies in this category over time
HN Mentions grew from 5,822 to 6,719 (+15.4%) over the last 90 days.
| Date | hn mentions |
|---|---|
| Feb 1, 2026 | 5,822 |
| Mar 3, 2026 | 6,719 |
Cumulative funding raised by companies in this category over time
Total Funding grew from $24.0B to $244.3B (+918.1%) over the last 90 days.
| Date | funding |
|---|---|
| Feb 1, 2026 | $24.0B |
| Mar 3, 2026 | $244.3B |
Creator of ChatGPT and GPT-4. The company that kicked off the generative AI boom.
AI safety company behind Claude. OpenAI's main competitor.
The GitHub of machine learning. Hosts models, datasets, and Spaces.
Framework for building LLM-powered applications. Chains, agents, RAG.
Run LLMs locally. Open-source tool for running models on your machine.
Open-source ChatGPT alternative. Self-hosted UI for LLMs.
Unified API for multiple AI models. Access GPT-4, Claude, Llama in one place.
Unified API for 100+ LLMs. Standard interface for multiple models.
AI company building Jurassic LLMs and Writer platform.
AI research lab building open-source reasoning and code models
French AI lab building open-weight foundation models.
Framework for building LLM applications with RAG. Data framework for AI.
Platform to run and deploy ML models via API.
Enterprise-focused LLM company. Strong in embeddings and RAG.
Chinese AI lab behind Kimi, a long-context language model assistant
Fast AI inference API. Run Stable Diffusion and other models at scale.
European AI lab building large language models.
Open-source ChatGPT alternative. Run LLMs locally on your machine.
Embedding models optimized for RAG. High-quality semantic search.
Open-source framework for building production-ready NLP applications.
AI-powered search engine. Answer engine that cites sources.
Self-hosted AI API. Run AI models locally with OpenAI-compatible API.
Desktop app for running LLMs locally. Easy model management.
Fine-tuning platform for LLMs. Train custom models on your data.
Self-hosted ChatGPT alternative. Deploy your own AI assistant.
Nonprofit AI research institute behind OLMo open language models
Multimodal AI lab building foundation models for enterprise
AI research lab behind Yi series of open-source language models
Open-source AI research collective behind GPT-NeoX and Pythia
Elon Musk's AI company. Builds Grok chatbot and foundation models.
Chinese AI lab behind ChatGLM series of language models
Enterprise AI platform with custom LLM agents and ML automation
Chinese AI company building open-source large language models
45 head-to-head comparisons across the top 10 foundation models companies.
The leading Foundation Models AI companies by developer adoption include OpenAI (DMI 49), Anthropic (DMI 46), Hugging Face (DMI 34). AI-Buzz tracks 33 companies in this category using the Developer Mindshare Index, which combines package downloads, GitHub activity, Hacker News discussion, and search demand.
Foundation Models AI companies have raised $244.3B in total across 33 companies tracked by AI-Buzz. The average funding per company is $7.4B. This covers all funding stages from seed to late-stage rounds.
Foundation Models AI tools receive 838.0M package downloads per month across npm and PyPI. This measures real developer adoption - not just interest - making it one of the strongest signals for evaluating AI companies.
The average developer sentiment for Foundation Models AI companies is 0% positive, based on Hacker News discussions across 19 companies with sufficient sample sizes. AI-Buzz calculates sentiment from comment-level analysis of HN threads.
The top Foundation Models companies by Developer Mindshare Index are: OpenAI-247.6M downloads/mo-$171.7B raised; Anthropic-87.8M downloads/mo-$58.7B raised; Hugging Face-113.7M downloads/mo-$629M raised. See the full list of 33 companies with daily-updated metrics on AI-Buzz.
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A podcast episode circulating this week makes a striking claim: OpenAI has released GPT-5.4 and GPT-5.4 Pro, and the hosts say they used the model to build a working Microsoft Teams clone in 23 minutes from a single prompt. The application, called "Macrosoft Teams," is...
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Which AI companies are developers actually adopting? We track npm and PyPI downloads for 262+ companies. Get the biggest shifts weekly - before they show up in the news.