Compare · ModelsLive · 2 picked · head to head
o4 Mini vs Phi 4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
o4 Mini wins on 4/4 benchmarks
o4 Mini wins 4 of 4 shared benchmarks. Leads in knowledge · math.
Category leads
knowledge·o4 Minimath·o4 Mini
Hype vs Reality
Attention vs performance
o4 Mini
#81 by perf·#13 by attention
Phi 4
#126 by perf·no signal
Best value
Phi 4
21.8x better value than o4 Mini
o4 Mini
19.3 pts/$
$2.75/M
Phi 4
421.5 pts/$
$0.10/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Microsoft
$3.00T·Big Tech
Head to head
4 benchmarks · 2 models
o4 MiniPhi 4
GPQA diamond
o4 Mini leads by +31.4
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
o4 Mini
72.8
Phi 4
41.4
Lech Mazur Writing
o4 Mini leads by +12.4
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
o4 Mini
75.0
Phi 4
62.6
MATH level 5
o4 Mini leads by +32.9
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
o4 Mini
97.8
Phi 4
64.9
OTIS Mock AIME 2024-2025
o4 Mini leads by +68.0
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
o4 Mini
81.7
Phi 4
13.7
Full benchmark table
| Benchmark | o4 Mini | Phi 4 |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 72.8 | 41.4 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 75.0 | 62.6 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 97.8 | 64.9 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 81.7 | 13.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens