AI Companies

Tracking the organizations building, funding, and shaping artificial intelligence — from established labs to emerging challengers.

47 companies tracked Updated continuously
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OpenAI

Foundation model lab behind the GPT series and ChatGPT. Operates as a for-profit capped subsidiary with a non-profit parent, a structure that continues to attract scrutiny.

Foundation Model Lab Latest: Released GPT-5 research preview · 2 hours ago
San Francisco, US ~1,500 employees $17B+ raised
Anthropic

AI safety-focused lab developing Claude models and constitutional AI. Certified B Corp with a long-term benefit structure, positioning itself as the cautious counterweight to OpenAI.

Foundation Model Lab Latest: Claude 3.5 Sonnet benchmarks · 6 hours ago
San Francisco, US ~800 employees $7.6B raised
Google DeepMind

Merged Google AI research divisions combining DeepMind's reinforcement learning heritage with Google Brain's scale. Gemini models and the Alpha series remain its public-facing flagships.

Foundation Model Lab Latest: Gemini 2.0 technical report · 1 day ago
London, UK ~3,000 employees Alphabet subsidiary
Meta AI / FAIR

Open research approach with Llama models released openly. Integrated across Meta's product suite; its research output remains among the most cited in the industry.

Foundation Model Lab Latest: Llama 4 training details · 3 days ago
Menlo Park, US ~2,500 employees Meta subsidiary
Microsoft

Major OpenAI investor and exclusive cloud partner. Copilot products across Office and Azure, plus substantial internal AI research. Its AI revenue run-rate is now material to quarterly earnings.

AI Infrastructure Latest: Copilot revenue exceeds $10B run-rate · 5 hours ago
Redmond, US ~200,000 employees Public
NVIDIA

Dominant AI chip supplier with H100 and Blackwell generations. Software ecosystem expansion via CUDA and inference services has deepened its moat beyond hardware alone.

Chip/Hardware Latest: Blackwell production ramp details · 4 hours ago
Santa Clara, US ~30,000 employees Public
Mistral AI

European open-weights champion with a rapid funding trajectory. Positioned as the continent's answer to American labs, though commercial traction remains a work in progress.

Foundation Model Lab Latest: New enterprise licensing model · 12 hours ago
Paris, France ~200 employees $1.1B raised
xAI

Elon Musk's lab building Grok with real-time Twitter/X data integration. Benefits from unique data access but faces questions about governance and long-term focus.

Foundation Model Lab Latest: Grok-2 API launch · 1 day ago
San Francisco, US ~150 employees Private
Hugging Face

Open-source AI platform and model hub serving as critical community infrastructure. The default destination for publishing and discovering models, datasets, and demos.

AI Infrastructure Latest: Enterprise Hub revenue milestones · 2 days ago
New York, US ~200 employees $235M raised
Cerebras

Wafer-scale chips offering an alternative to NVIDIA for training. The technical achievement is real; the commercial challenge is proving sustained demand at scale.

Chip/Hardware Latest: Third-generation wafer-scale engine · 3 days ago
Sunnyvale, US ~400 employees $720M raised
Perplexity

AI-native search with citation-focused answers, directly challenging Google's core business. Rapid user growth but unresolved questions about content publisher relationships.

Applied AI Latest: Publisher revenue-sharing program · 8 hours ago
San Francisco, US ~100 employees $165M raised
ElevenLabs

Voice synthesis and cloning with rapid commercial growth across media, gaming, and accessibility. Quality leadership in a category with significant ethical considerations.

Applied AI Latest: New multilingual voice model · 1 day ago
London, UK ~150 employees $100M raised

Latest Developments

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OpenAI Product
OpenAI Releases GPT-5 Research Preview

The latest iteration shows meaningful gains on reasoning benchmarks, though the gap between research preview and production-ready deployment remains unclear.

2 hours ago

Company Comparison

Key metrics across major AI labs and infrastructure players. Figures are sourced from public filings, confirmed reporting, and estimates where noted.

Company Category Founded Employees Funding Flagship Product Approach HQ
OpenAI Foundation 2015 ~1,500 $17B+ GPT-5, ChatGPT Closed API + consumer San Francisco
Anthropic Foundation 2021 ~800 $7.6B Claude 3.5 Closed API, safety-first San Francisco
Google DeepMind Foundation 2010/2023 ~3,000 Alphabet Gemini, Alpha Research + product London
Meta AI Foundation 2013 ~2,500 Meta Llama 3 Open weights Menlo Park
Mistral AI Foundation 2023 ~200 $1.1B Mistral Large Open + commercial Paris
xAI Foundation 2023 ~150 Private Grok-2 Closed, X-integrated San Francisco
NVIDIA Chip 1993 ~30,000 Public H100, Blackwell Hardware + software Santa Clara
Cerebras Chip 2016 ~400 $720M Wafer-Scale Engine Alternative training Sunnyvale

Figures are based on Signal AI reporting, public filings, and verified estimates. Employee counts are approximate. Funding totals include confirmed rounds only. Valuations are excluded where unverified.

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