Microsoft ends OpenAI revenue sharing, drops exclusivity

What's the deal? Microsoft will no longer share revenue with OpenAI and has made their partnership non-exclusive. The move simplifies a relationship central to both companies’ rise — and opens the door for OpenAI to deepen ties with other cloud providers, including Amazon.

Why now? OpenAI has already been diversifying its cloud partnerships beyond Microsoft to meet surging computing demand. The restructuring formalises a shift already underway: OpenAI is no longer a Microsoft-dependent startup. As part of its conversion to a for-profit business last year, Microsoft received a 27% ownership stake — giving it exposure to upside without requiring the old revenue-sharing structure.

What could go wrong? Markets reacted coolly: Microsoft shares fell about 3% in premarket trading. Losing exclusive access to OpenAI’s models could erode Microsoft’s edge in enterprise AI, particularly as rivals like Google and Amazon accelerate their own offerings.

The signal: The unravelling of the original Microsoft–OpenAI revenue deal marks a maturation — and a renegotiation of power — in the AI industry. OpenAI no longer needs a single corporate patron; Microsoft no longer needs to subsidise one. As AI becomes infrastructure, hyperscalers now compete on equal footing for model partnerships, and exclusivity is a luxury none can afford.

Sources:
Bloomberg
Microsoft
CNBC

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A.M.