GPT-5.5, GPT-5.4, and Codex are now generally available on Amazon Bedrock. The April amendment that ended Microsoft's Azure exclusivity goes from paper to production today.
First time GPT-5.5 runs natively on AWS infrastructure. Bedrock Managed Agents powered by OpenAI also launched - production-grade agents inside AWS security and billing.
The April 27 Microsoft amendment let OpenAI serve all products to any cloud. Today is the receipt. Amazon already invested in Anthropic - that arrangement was the template. Now OpenAI gets the same multi-cloud distribution. Ben Thompson's joint interview with Sam Altman and Matt Garman frames the math: 'OpenAI clearly sees AWS as a massive opportunity, to the point they are forgoing Azure-related revenue for the next few years.' Microsoft remains primary cloud through 2032, but it's no longer the only cloud.
For PMs in enterprise, 'which cloud are you on?' is no longer a vendor lock-in question for OpenAI. Procurement walls drop. Expect Google Cloud to land OpenAI within 6 months.
⚡ Why this matters
- End of the 7-year Azure-exclusive era for OpenAI's flagship models in production.
- Removes the biggest enterprise adoption blocker: matching the customer's existing cloud.
- Bedrock Managed Agents = new product category - managed agent infrastructure across providers.
🔍 What happened
- GPT-5.5, GPT-5.4, and Codex now GA on Amazon Bedrock (June 2, 2026).
- Amazon Bedrock Managed Agents powered by OpenAI launched as part of the same release.
- Original AWS-OpenAI partnership announced April 28, 2026; today is the GA milestone.
- April 27, 2026 Microsoft-OpenAI amendment ended Azure exclusivity; Microsoft remains 'primary' through 2032.
- Microsoft's license to OpenAI IP is now non-exclusive.
- Revenue share from OpenAI to Microsoft now subject to a total cap, runs through 2030.
- The 'AGI clause' was quietly removed in the amendment.
💬 Smart takes
- Ben Thompson (Stratechery): 'OpenAI clearly sees AWS as a massive opportunity, to the point they are forgoing Azure-related revenue for the next few years.'
- Ben Thompson (Stratechery): Azure's competitive advantage from exclusive OpenAI access hindered OpenAI as enterprises wanted models on their existing cloud - an advantage Anthropic had exploited.
- Skeptic: AWS Bedrock margins are thinner and shared. OpenAI's net economics on AWS may not match Azure's volume discount terms.
🧭 Where this goes
- Google Cloud announces OpenAI integration within 6 months.
- Anthropic's 'all 3 clouds' distribution advantage shrinks.
- Bedrock Managed Agents becomes the default deploy path for OpenAI in regulated industries.
- Procurement conversations decouple 'model choice' from 'cloud choice' for the first time.
🎯 Implication
- For PMs: The cloud-blocking arguments against OpenAI for enterprise customers just expired. Re-open conversations you dropped in 2025.
- For execs: Multi-cloud AI strategy gets simpler. Model lock-in fears drop.