Compare · ModelsLive · 2 picked · head to head
Phi 4 vs Llama 3.1 70B Instruct
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Phi 4 wins on 6/12 benchmarks
Phi 4 wins 6 of 12 shared benchmarks. Leads in knowledge · math.
Category leads
arena·Llama 3.1 70B Instructknowledge·Phi 4general·Llama 3.1 70B Instructlanguage·Llama 3.1 70B Instructmath·Phi 4reasoning·Llama 3.1 70B Instruct
Hype vs Reality
Attention vs performance
Phi 4
#126 by perf·no signal
Llama 3.1 70B Instruct
#154 by perf·no signal
Best value
Phi 4
4.5x better value than Llama 3.1 70B Instruct
Phi 4
421.5 pts/$
$0.10/M
Llama 3.1 70B Instruct
94.5 pts/$
$0.40/M
Vendor risk
Who is behind the model
Microsoft
$3.00T·Big Tech
Meta AI
$1.50T·Tier 1
Head to head
12 benchmarks · 2 models
Phi 4Llama 3.1 70B Instruct
Chatbot Arena Elo · Overall
Llama 3.1 70B Instruct leads by +37.4
Phi 4
1255.4
Llama 3.1 70B Instruct
1292.8
Balrog
Llama 3.1 70B Instruct leads by +16.3
Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning.
Phi 4
11.6
Llama 3.1 70B Instruct
27.9
GPQA diamond
Phi 4 leads by +15.8
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Phi 4
41.4
Llama 3.1 70B Instruct
25.6
BBH (HuggingFace)
Llama 3.1 70B Instruct leads by +0.7
Phi 4
55.3
Llama 3.1 70B Instruct
55.9
GPQA
Llama 3.1 70B Instruct leads by +2.7
Phi 4
11.5
Llama 3.1 70B Instruct
14.2
IFEval
Llama 3.1 70B Instruct leads by +17.9
Phi 4
68.8
Llama 3.1 70B Instruct
86.7
MATH Level 5
Phi 4 leads by +11.9
Phi 4
50.0
Llama 3.1 70B Instruct
38.1
MMLU-PRO
Phi 4 leads by +0.8
Phi 4
48.6
Llama 3.1 70B Instruct
47.9
MUSR
Llama 3.1 70B Instruct leads by +7.6
Phi 4
10.1
Llama 3.1 70B Instruct
17.7
MATH level 5
Phi 4 leads by +28.3
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
Phi 4
64.9
Llama 3.1 70B Instruct
36.7
MMLU
Phi 4 leads by +6.3
Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge.
Phi 4
79.7
Llama 3.1 70B Instruct
73.5
OTIS Mock AIME 2024-2025
Phi 4 leads by +10.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Phi 4
13.7
Llama 3.1 70B Instruct
3.5
Full benchmark table
| Benchmark | Phi 4 | Llama 3.1 70B Instruct |
|---|---|---|
Chatbot Arena Elo · Overall | 1255.4 | 1292.8 |
Balrog Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning. | 11.6 | 27.9 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 41.4 | 25.6 |
BBH (HuggingFace) | 55.3 | 55.9 |
GPQA | 11.5 | 14.2 |
IFEval | 68.8 | 86.7 |
MATH Level 5 | 50.0 | 38.1 |
MMLU-PRO | 48.6 | 47.9 |
MUSR | 10.1 | 17.7 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 64.9 | 36.7 |
MMLU Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge. | 79.7 | 73.5 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 13.7 | 3.5 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.07 | $0.14 | 16K tokens (~8 books) | $0.84 | |
| $0.40 | $0.40 | 131K tokens (~66 books) | $4.00 |