Home › Archive › Phi line Phi-4-mini-flash-reasoning was released by Microsoft on July 9, 2025, as an open-weights lightweight model in the Phi line.
Release 7 of 8 in the Phi line . Came 70 days after Phi-4-reasoning , released Apr 30, 2025. Replaced by Phi-4-reasoning-vision on March 4, 2026, 238 days later. These days the line ships a new model about every 76 days. No detailed card for this model: we only add numbers published by the maker or by independent benchmarks. Sources: Microsoft Azure
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Phi-4-reasoning-vision is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Days since last release
Days since last release
Phi-4-reasoning-vision · Mar 4, 2026
Recent gaps
Recent gaps
Phi-4-reasoning-vision · Mar 2026
Phi-4-mini-flash-reasoning · Jul 2025
Phi-4-reasoning · Apr 2025