Compare · ModelsLive · 2 picked · head to head
Llama 3.1 70B Instruct vs Phi 4
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
Llama 3.1 70B Instruct
#216 by perf·#18 by attention
Phi 4
#196 by perf·#20 by attention
Best value
Phi 4
4.1x better value than Llama 3.1 70B Instruct
Llama 3.1 70B Instruct
90.7 pts/$
$0.40/M
Phi 4
372.4 pts/$
$0.11/M
Vendor risk
Who is behind the model
Meta AI
$1.87T·Tier 1
Microsoft
$3.84T·Big Tech
Head to head
12 benchmarks · 2 models
Llama 3.1 70B InstructPhi 4
Chatbot Arena Elo · Overall
Llama 3.1 70B Instruct leads by +37.0
Llama 3.1 70B Instruct
1293.3
Phi 4
1256.3
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.
Llama 3.1 70B Instruct
27.9
Phi 4
11.6
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.
Llama 3.1 70B Instruct
25.6
Phi 4
41.4
BBH (HuggingFace)
Llama 3.1 70B Instruct leads by +0.3
Llama 3.1 70B Instruct
55.9
Phi 4
55.7
GPQA
Llama 3.1 70B Instruct leads by +5.0
Llama 3.1 70B Instruct
14.2
Phi 4
9.2
IFEval
Llama 3.1 70B Instruct leads by +21.8
Llama 3.1 70B Instruct
86.7
Phi 4
64.8
MATH Level 5
Phi 4 leads by +7.2
Llama 3.1 70B Instruct
38.1
Phi 4
45.2
MMLU-PRO
Phi 4 leads by +0.5
Llama 3.1 70B Instruct
47.9
Phi 4
48.3
MUSR
Llama 3.1 70B Instruct leads by +6.3
Llama 3.1 70B Instruct
17.7
Phi 4
11.4
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.
Llama 3.1 70B Instruct
36.7
Phi 4
64.9
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.
Llama 3.1 70B Instruct
73.5
Phi 4
79.7
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.
Llama 3.1 70B Instruct
3.5
Phi 4
13.7
Full benchmark table
| Benchmark | Llama 3.1 70B Instruct | Phi 4 |
|---|---|---|
Chatbot Arena Elo · Overall | 1293.3 | 1256.3 |
Balrog Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning. | 27.9 | 11.6 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 25.6 | 41.4 |
BBH (HuggingFace) | 55.9 | 55.7 |
GPQA | 14.2 | 9.2 |
IFEval | 86.7 | 64.8 |
MATH Level 5 | 38.1 | 45.2 |
MMLU-PRO | 47.9 | 48.3 |
MUSR | 17.7 | 11.4 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 36.7 | 64.9 |
MMLU Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge. | 73.5 | 79.7 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 3.5 | 13.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.40 | $0.40 | 131K tokens (~66 books) | $4.00 | |
| $0.07 | $0.14 | 16K tokens (~8 books) | $0.88 |
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