May 2026 Brief
The Center of AI Moved Away from OpenAI
The month that closed with Andrej Karpathy joining Anthropic was the same month Microsoft's OpenAI exclusivity ended, OpenAI's models landed on AWS Bedrock the next day, Cerebras priced its IPO and popped 68%, and OpenAI itself launched a services arm. For GTM operators, the practical read is that the single-vendor bet of 2024 and 2025 stopped being the default — and the IPO window opened just as the alternative providers got cheap and credible.