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Phi-4

Microsoft · Phi line · lightweight · open weights

Released December 12, 2024Replaced by Phi-4-reasoning

What changed

No verified summary yet. We only publish what the maker's own numbers support, so this card fills in as the sources come in.

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
Due189 days since the last release — usual gap is 133
Released Mar 4, 2026 · what changed →
Days since last release
Phi-4-reasoning-vision · Mar 4, 2026
189
days
Usual gap
133
days
Recent gaps
Phi-4-reasoning-vision · Mar 2026
308
Phi-4-reasoning · Apr 2025
139
Phi-4 · Dec 2024
114
Phi-3.5 · Aug 2024
119

Every Phi release

Newest first. See the full line with every card →

  1. Mar 4, 2026Phi-4-reasoning-vision
  2. Apr 30, 2025Phi-4-reasoning
  3. Dec 12, 2024Phi-4 · this page
  4. Aug 20, 2024Phi-3.5
  5. Apr 23, 2024Phi-3
  6. Dec 12, 2023Phi-2

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