Breaking

Anthropic and OpenAI Cut Model Costs 40–50% as Open-Source AI Reshapes Enterprise Economics

September 25, 2026 at 14:32 EDT

Foundation Models
Sales & Business

Businesses are winning the AI cost war — not through dramatic breakthroughs, but through a collision of cheaper model releases and the maturing open-source ecosystem, according to speakers at The Information's AI Agenda Live conference in San Francisco on Wednesday.

AI Agenda Live SF • September 23, 2026

Cost War Reshapes AI Adoption

Proprietary models cut prices 40–50% while open-source AI now covers 80% of enterprise use cases at 86% lower cost.

40%

Anthropic
Opus 5.5 Cost Cut

50%

OpenAI
GPT-6 Price Cut

86%

Open-Source
Cost Savings

Coverage vs. Cost: Open-Source Advantage

80%

Enterprise
Use Cases

14%

Relative
Cost

Key Shift: From Performance to Efficiency

Claude Opus 5.5: 40% lower typical cost + 30%+ faster output
GPT-6 Luna: $0.10 input, $0.50 output per million tokens
Enterprises now balance capability with spend—flagship models used only for high-stakes work

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