MAI-Thinking-1
Microsoft AIs first in-house flagship reasoning model
Paid
Reasoning
Undisclosed
parameters
Proprietary
license
Jun 2026
released
MAI-Thinking-1 is the flagship of the seven MAI models Microsoft AI announced in June 2026. Microsoft says it was trained from the ground up without distilling from third-party models. Parameter counts reported by outlets vary, so we list it as undisclosed.