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AI & Machine Learning

Open Source AI Shifts Enterprise Spend, But Anthropic Remains Dominant

WireByte Staff · July 7, 2026

Decagon CEO Jesse Zhang proposes a new theory on the relationship between open-source and frontier AI models, suggesting they're two phases of the same lifecycle. Despite a surge in open-source model adoption, Anthropic still accounts for over half of the overall AI spend. The shift has sparked debate among analysts and experts.

Key points

  • Decagon CEO Jesse Zhang published a theory that open-source AI models and frontier models are two phases of the same lifecycle.
  • Zhang suggests that mature use cases switch to lighter models, while new use cases arise, keeping overall spend on frontier models stable.
  • Vercel's AI gateway dashboard shows that DeepSeek has surged to the lead for token volumes, processing over a third of tokens in the past week.
  • Anthropic still accounts for more than half of the overall AI spend, despite the shift towards open-source models.
  • The shift has sparked debate among analysts and experts, with some arguing that open-source models are not competing with frontier labs.

The AI industry has been abuzz with the rise of open-source AI models, with some analysts predicting that they would cannibalize the market share of frontier labs. However, a new theory proposed by Decagon CEO Jesse Zhang suggests that open-source and frontier models are not competitors, but rather two phases of the same lifecycle.

According to Zhang, mature use cases switch to lighter models, while new use cases arise, keeping overall spend on frontier models stable. This theory is supported by data from Vercel's AI gateway dashboard, which shows that DeepSeek has surged to the lead for token volumes, processing over a third of tokens in the past week.

Despite this shift, Anthropic still accounts for more than half of the overall AI spend. The company's dominance has sparked debate among analysts and experts, with some arguing that open-source models are not competing with frontier labs. Others argue that the shift towards open-source models is a sign of a maturing industry, where companies are looking for more cost-effective solutions.

As the AI industry continues to evolve, it will be interesting to see how this shift towards open-source models plays out. Will frontier labs be able to maintain their dominance, or will open-source models become the new norm?

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.