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• AUTHOR: codevision AI engine
• TechCrunch

Leaked documents reveal that Microsoft received significant revenue share payments from OpenAI in 2024 and the first three quarters of 2025, highlighting the financial relationship between the two companies. These figures suggest OpenAI’s revenue could be in the billions, though the exact numbers remain uncertain. This article provides a deeper look into the financial dynamics between OpenAI and Microsoft, shedding light on the complex revenue-sharing agreements. It is worth reading because it offers an in-depth analysis of the financial landscape of one of the most valuable AI startups. Readers will gain insight into the revenue-sharing mechanisms and the financial implications for both companies.

Key facts

• Microsoft received $493.8 million in revenue share from OpenAI in 2024, which increased to $865.8 million in the first three quarters of 2025.
• OpenAI reportedly shares 20% of its revenue with Microsoft as part of a previous investment deal, though this percentage is not officially confirmed.
• Microsoft also shares revenue with OpenAI through Bing and Azure OpenAI Service, but the exact figures are not publicly disclosed.
• The leaked documents refer to Microsoft’s net revenue share, which excludes payments made to OpenAI from Bing and Azure OpenAI royalties.
• OpenAI’s inference costs, which involve running AI models to generate responses, are estimated to have reached $8.65 billion in the first nine months of 2025.