#1
LangChainAgent-engineering platform for building, deploying, and operating LLM-powered applications.
Momentum
95
AIIStack index
Rankings built from attributable activity—not sponsorships, votes, or self-reported claims. Drill into every company’s evidence before making a decision.
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Scores are cohort-normalized and use a versioned model. Visibility remains withheld until its evidence panel exists.
All tracked markets
Recent release velocity and freshness, calibrated within the tracked cohort.
15 companies with sufficient evidence
Agent-engineering platform for building, deploying, and operating LLM-powered applications.
Momentum
95
AI safety and research company building Claude models and developer APIs.
Momentum
89.29
AI company providing language models and developer APIs for production applications.
Momentum
83.57
142,611 GitHub stars
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162,984 GitHub stars
396 GitHub stars
614 GitHub stars
33,595 GitHub stars
11,205 GitHub stars
51,108 GitHub stars
447 GitHub stars
81 GitHub stars
910 GitHub stars
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