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Phi-4-mini

Microsoft · Phi line · lightweight · open weights

Released February 26, 2025Replaced by Phi-4-reasoning

Phi-4-mini was released by Microsoft on February 26, 2025, as an open-weights lightweight model in the Phi line.

  • Release 5 of 8 in the Phi line.
  • Came 76 days after Phi-4, released Dec 12, 2024.
  • Replaced by Phi-4-reasoning on April 30, 2025, 63 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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Where the Phi line stands

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.

Phi-4-reasoning-vision

Microsoft · Phi line · lightweight · open weights
Past its usual gap214 days since the last release — usual gap is 76
Released Mar 4, 2026 · what changed →
Days since last release
Phi-4-reasoning-vision · Mar 4, 2026
214
days
Usual gap
76
days
Recent gaps
Phi-4-reasoning-vision · Mar 2026
238
Phi-4-mini-flash-reasoning · Jul 2025
70
Phi-4-reasoning · Apr 2025
63
Phi-4-mini · Feb 2025
76

Every Phi release

Newest first. See the full line with every card →

  1. Mar 4, 2026Phi-4-reasoning-vision
  2. Jul 9, 2025Phi-4-mini-flash-reasoning
  3. Apr 30, 2025Phi-4-reasoning
  4. Feb 26, 2025Phi-4-mini · this page
  5. Dec 12, 2024Phi-4
  6. Aug 20, 2024Phi-3.5
  7. Apr 23, 2024Phi-3
  8. Dec 12, 2023Phi-2