Frontier Model Cost and Open-Weights Popularity is Driving Demand for Model Routing
Why CEREBRO kept it
Model routing and cost efficiency deep-dive.
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With the intense competition among frontier model companies, together with ever-increasing power of open-weight models like Kimi K3 and Qwen3.8-Max, model routing has become a key part of AI deployment. We’ve just seen Stripe buy OpenRouter for over $7B, but the trend is equally hot in enterprises. Glean, co-founded and led by ex-Google Distinguished Engineer Arvind Jain, specializes in bringing AI to large organizations. It was last valued at $7.2B after a $150M Series F fund raise last June. This year, it reached $300 million in annual recurring revenue (ARR) — a three-fold increase over 15
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