The multi-cloud shift nobody's writing about
OpenAI picked Amazon. Officially. April 28.
What happened: OpenAI renegotiated its Microsoft deal. Capped the revenue share payments. Now they can serve customers through any cloud provider. Amazon dropped $50B on OpenAI in February. That investment just delivered. GPT-5.5 on Bedrock. Codex on Bedrock. No separate Azure contract needed.