Knowledge · Microsoft

Phi-3.5 Base on MMLU-Pro: score, rank and what it means

Phi-3.5 Base scores 72.4 on MMLU-Pro, placing it #379 of 600 models in the index. The benchmark average is 73.5 and the leader is GPT-5.2 Pro at 91.6.

Score
72.4
0–100 scale
Rank
#379
of 600
Percentile
37th
within the index
Benchmark avg
73.5
all models
Leader
91.6
GPT-5.2 Pro
Gap to leader
19.2
points

Score distribution

The chart shows the top 10 models on MMLU-Pro, with Phi-3.5 Base highlighted. Longer bars mean higher scores.

GPT-5.2 Pro 91.6
GPT-5.1 Max 91.3
Claude Opus 4.5 Pro 91.2
Claude Opus 4.5 Reasoning 90.7
Gemini 3 Pro Reasoning 90.1
GPT-5.1 Reasoning 90.0
GPT-5.2 89.9
Claude Opus 4.5 Max 89.5
GPT-5.2 Vision 89.5
Gemini 3 Pro Max 89.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
2 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
3 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
4 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
5 Gemini 3 Pro Reasoning Google DeepMind 200000 $19.69 87.5
6 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
7 GPT-5.2 OpenAI 2000000 $19.71 88.0
8 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
9 GPT-5.2 Vision OpenAI 1000000 $19.03 87.4
10 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9

What this score means

On MMLU-Pro, Phi-3.5 Base sits at #379 of 600. The leader, GPT-5.2 Pro, scores 91.6, so the gap to the top is 19.2 points. The median model in this index scores 76.1, which puts Phi-3.5 Base below the midpoint.

Microsoft models average 68.2 on this benchmark. Phi-3.5 Base is 4.2 points above that provider line, so it is a stronger result than the average Microsoft model.

Among open-weight models, the average is 72.1. Phi-3.5 Base is 0.3 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 72.4 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $2.24 per million input tokens, Phi-3.5 Base is below the median input price of $4.00 across the 600 models scored on MMLU-Pro. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Embed 4 Max Cohere 8192 $5.68 66.1
Nova Pro Mini Amazon 16384 $7.74 70.6
Arctic Snowflake 8192 $2.72 68.8
DeepSeek-V3.2 8B DeepSeek 32768 $2.02 66.2
Phi-3.5 Base Microsoft 65536 $2.24 66.6
Arctic Instruct Snowflake 65536 $2.83 70.6
Firesearch Reasoning Fireworks AI 32768 $7.74 69.0

Other benchmarks for Phi-3.5 Base

BenchmarkScoreRankPercentileRelative
GPQA Diamond 60.3 402 33th
SWE-bench Verified 51.6 409 32th
HumanEval 73.1 371 38th
MATH-500 71.6 373 38th
AIME 2025 59.7 389 35th
LiveCodeBench 55.2 401 33th
IFEval 74.2 404 33th
TruthfulQA 73.0 370 38th
HellaSwag 79.5 389 35th
MMMU 61.7 412 31th
Arena Elo 1315.0 400 33th

FAQ

What score does Phi-3.5 Base get on MMLU-Pro?

Phi-3.5 Base scores 72.4 on MMLU-Pro in this index. The benchmark average is 73.5 and the top score is 91.6.

How does Phi-3.5 Base rank on MMLU-Pro?

It ranks #379 of 600 models, in the 37th percentile. The leader is GPT-5.2 Pro at 91.6.

Is Phi-3.5 Base good at MMLU-Pro?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. The result should be read alongside its price and context window.

How is the MMLU-Pro score calculated?

MMLU-Pro is a knowledge benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Phi-3.5 Base cost?

Phi-3.5 Base costs $2.24 per million input tokens and $10.25 per million output tokens.

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