Preference · Microsoft

Phi-4 8B on Arena Elo: score, rank and what it means

Phi-4 8B scores 1256.7 on Arena Elo, placing it #480 of 600 models in the index. The benchmark average is 1349.9 and the leader is Claude Opus 4.5 Max at 1501.9.

Score
1256.7
0–100 scale
Rank
#480
of 600
Percentile
20th
within the index
Benchmark avg
1349.9
all models
Leader
1501.9
Claude Opus 4.5 Max
Gap to leader
245.2
points

Score distribution

The chart shows the top 10 models on Arena Elo, with Phi-4 8B highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Max 1501.9
GPT-5.2 Reasoning 1500.4
GPT-5.2 Turbo 1500.3
Claude Opus 4.5 Reasoning 1497.5
GPT-5.2 Max 1495.3
Gemini 3 Pro Turbo 1494.9
Grok 4 Max 1491.4
Claude Opus 4.5 1491.2
GPT-5.1 Pro 1490.0
Grok 4 Reasoning 1487.6

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
2 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
3 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
4 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
5 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
6 Gemini 3 Pro Turbo Google DeepMind 400000 $19.62 86.4
7 Grok 4 Max xAI 2000000 $19.70 86.6
8 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
9 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
10 Grok 4 Reasoning xAI 2000000 $19.67 87.8

What this score means

On Arena Elo, Phi-4 8B sits at #480 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 245.2 points. The median model in this index scores 1373.8, which puts Phi-4 8B below the midpoint.

Microsoft models average 1293.8 on this benchmark. Phi-4 8B is 37.1 points below that provider line, so it is a weaker result than the average Microsoft model.

Among small open-weight models, the average is 1224.7. Phi-4 8B is 32.0 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 1256.7 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 $0.96 per million input tokens, Phi-4 8B is below the median input price of $4.00 across the 600 models scored on Arena Elo. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Pythia EleutherAI 32768 $1.29 59.8
GLM-4.5 7B Zhipu AI 8192 $1.32 60.2
Yi-Lightning 8B 01.AI 4096 $1.16 59.2
GPT-NeoX Base EleutherAI 16384 $1.22 59.7
Phi-4 8B Microsoft 32768 $0.96 54.9
Auto Nano OpenRouter 4096 $2.83 57.1
Command R+ 8B Cohere 8192 $1.21 57.7

Other benchmarks for Phi-4 8B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 61.9 504 16th
GPQA Diamond 53.2 489 19th
SWE-bench Verified 39.9 523 13th
HumanEval 57.1 531 12th
MATH-500 54.8 522 13th
AIME 2025 43.5 518 14th
LiveCodeBench 41.8 527 12th
IFEval 65.8 523 13th
TruthfulQA 62.2 501 17th
HellaSwag 70.9 523 13th
MMMU 52.5 524 13th

FAQ

What score does Phi-4 8B get on Arena Elo?

Phi-4 8B scores 1256.7 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.

How does Phi-4 8B rank on Arena Elo?

It ranks #480 of 600 models, in the 20th percentile. The leader is Claude Opus 4.5 Max at 1501.9.

Is Phi-4 8B good at Arena Elo?

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 Arena Elo score calculated?

Arena Elo is a preference 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-4 8B cost?

Phi-4 8B costs $0.96 per million input tokens and $5.09 per million output tokens.

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