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>Fast.ai vs Stability AI

Fast.ai AI Company Profile & RankingsStability AI AI Company Profile & Rankings

AI Activity Comparison

Fast.ai

Fast.ai is a non-profit research group focused on deep learning and artificial intelligence, founded in 2016 by Jeremy Howard and Rachel Thomas. Its core mission is to democratize deep learning through education. The organization is best known for providing a free massive open online course (MOOC), 'Practical Deep Learning for Coders,' which requires only a knowledge of Python. The course covers topics including image classification, natural language processing, and various deep learning architectures. In 2018, students from the program won the CIFAR-10 image classification benchmark in Stanford’s DAWNBench competition. The group continues its research and educational efforts to make deep learning more accessible.

Stability AI

Stability AI Ltd is a UK-based artificial intelligence company that develops open AI models, most notably the text-to-image model Stable Diffusion. The company was founded in 2019 and rose to prominence following the public release of Stable Diffusion in August 2022. A significant $101 million funding round was led by Coatue and Lightspeed Venture Partners. In 2024, the company underwent a leadership transition, appointing Prem Akkaraju, former CEO of Weta Digital, as its chief executive. The company has since secured additional investment from a consortium including Greycroft, Coatue Management, and Sound Ventures, with Sean Parker joining as Executive Chairman and filmmaker James Cameron joining its board of directors.

Data updated: • Live

Fast.ai versus Stability AI: Live 2026 Comparison

Fast.ai leads in development velocity with 0 events this week (significantly more than Stability AI), while Stability AI holds the edge in community sentiment at 40% positive. This comparison uses real-time data from product launches, research papers, and community discussions, scored through our 5-dimension scoring methodology. Our Hype Gap analysis shows Stability AI has more authentic positioning (gap: -3.6) compared to Fast.ai (10.0). Data refreshes every 5 minutes. Compare other AI companies →

Fast.ai vs Stability AI: Key Signals

Activity:Fast.ai 0 events/wk vs Stability AI 0
Sentiment:Stability AI 40% vs Fast.ai 0%
Rank gap:#992 vs #115 (877 positions apart)
Hype gap:Fast.ai +10.0 vs Stability AI -3.6
Score:Fast.ai 0 vs Stability AI 10

Data refreshes every 5 minutes. Compare other companies →

Fast.ai vs Stability AI: Head-to-Head

Comparison of key metrics between Fast.ai and Stability AI
MetricFast.aiStability AI
Rank#992#115
Overall Score0.010.0
7-Day Events00
30-Day Events00
Sentiment0%40%
Momentum
7d vs 30d velocity
0%0%
Hype Score10.04.6
Reality Score0.08.2
Hype Gap+10.0-3.6

📊 Visual Comparison

Compare 5 key metrics on a 0-100 scale. Larger area = stronger overall performance.

Fast.ai
Stability AI
Activity
0vs0
Sentiment
0vs40
Score
0vs10
Momentum
50vs50
Confidence
0vs0

Metric Definitions:

Activity: Weekly GitHub events (max 200 = 100)
Sentiment: Community sentiment (0-100)
Score: Overall ranking score
Momentum: Rank movement trend (50 = neutral)
Confidence: Data confidence level (0-100)

What Separates Fast.ai from Stability AI

Who Ships Faster: Fast.ai or Stability AI?

Fast.ai logged 0 events this week vs Stability AI's 0 — a significant difference in product launches, research papers, and code commits.

What Users Think of Stability AI vs Fast.ai

Stability AI has 40% positive sentiment vs Fast.ai's 0%. That 40-point gap is significant — it signals stronger user satisfaction and fewer community complaints about Stability AI.

Does Stability AI Deliver on Its Promises?

Stability AI's hype gap of -3.6 vs Fast.ai's 10.0 means Stability AI delivers on its promises — marketing claims closely match actual capabilities.

Where Stability AI and Fast.ai Rank

Stability AI at #115 outranks Fast.ai at #992 among 2,800+ AI companies. The 877-rank gap reflects different market tiers and adoption levels.

Fast.ai vs Stability AI: Momentum Trend

Both companies show stable or declining momentum, suggesting a period of consolidation rather than rapid expansion.

About Fast.ai and Stability AI

Fast.ai

Rank
#992
Score
0.0
Website
fast.ai

Stability AI

Headquarters
London, UK
Rank
#115
Score
10.0

Latest Signals: Fast.ai vs Stability AI

Latest tracked events for each company — product launches, research papers, community discussions, and more.

Fast.ai(0 events this week)

  • GECOBench: A Gender-Controlled Text Dataset and Benchmark for Quantifying Biases in Explanations

    ArXiv AI (cs.AI)
  • GECOBench: A Gender-Controlled Text Dataset and Benchmark for Quantifying Biases in Explanations

    ArXiv Machine Learning (cs.LG)
  • [D] Classification of low resource language using Deep learning

    Reddit - r/MachineLearning Hot
  • BERTs that chat: turn any BERT into a chatbot with dLLM

    Reddit - r/LocalLLaMA New
  • Fine-Grained Emotion Detection on GoEmotions: Experimental Comparison of Classical Machine Learning, BiLSTM, and Transformer Models

    ArXiv NLP (cs.CL)
View all Fast.ai signals →

Stability AI(0 events this week)

  • What AI-Generated Art Really Means for Human Creativity

    Hacker News Newest
  • Delighted to announce the public open source release of #StableDiffusion! Please see our release po...

    Emad Mostaque Twitter
  • Red-Teaming the Stable Diffusion Safety Filter

    Dev.to Machine Learning Tag
  • Delighted to announce the public open source release of #StableDiffusion! Please see our release po...

    Emad Mostaque Twitter
  • ⭐️ Diffusion Models

    Hacker News Newest
View all Stability AI signals →

Analysis: Fast.ai vs Stability AI

Stability AI (#115) leads Fast.ai (#992) by 877 ranks, reflecting a meaningful difference in overall market position and activity.

Fast.ai is shipping faster with 0 events this week, compared to Stability AI's 0.

Community sentiment diverges sharply: Stability AI at 40% positive vs Fast.ai's 0%. Stability AI maintains more authentic positioning with a hype gap of -3.6, compared to Fast.ai's 10.0 — a key signal for evaluating long-term reliability.

Watch for: Fast.ai's latest signal ("GECOBench: A Gender-Controlled Text Dataset and Benchmark fo...") and Stability AI's ("What AI-Generated Art Really Means for Human Creativity") could shift this matchup.

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Compare API Pricing

Stability AI offers LLM APIs. Compare model pricing across 1,500+ models from 23+ providers.

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Why Compare Fast.ai vs Stability AI?

Cross-Tier Comparison

Comparing Stability AI (#115) with Fast.ai (#992) reveals the 877-rank gap between different market tiers. Useful for understanding what separates top-tier from emerging players.

Who Compares Fast.ai and Stability AI

Enterprise Buyers

Comparing market leader against emerging alternative to balance stability vs innovation.

"Stability AI for enterprise-grade reliability, Fast.ai for cutting-edge features."

Key Differences Between Fast.ai and Stability AI

  • **Community Perception**: Stability AI has notably stronger positive sentiment (40% higher).

Choosing Between Fast.ai and Stability AI

Consider Fast.ai if you value:

    Consider Stability AI if you value:

    • • Proven market leadership (#115)
    • • Stronger community sentiment
    • • Higher substance-to-hype ratio

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