Preference · Microsoft

Phi-3.5 Chat on Arena Elo: score, rank and what it means

Phi-3.5 Chat scores 1338.0 on Arena Elo, placing it #380 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
1338.0
0–100 scale
Rank
#380
of 600
Percentile
37th
within the index
Benchmark avg
1349.9
all models
Leader
1501.9
Claude Opus 4.5 Max
Gap to leader
163.9
points

Score distribution

The chart shows the top 10 models on Arena Elo, with Phi-3.5 Chat 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-3.5 Chat sits at #380 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 163.9 points. The median model in this index scores 1373.8, which puts Phi-3.5 Chat below the midpoint.

Microsoft models average 1293.8 on this benchmark. Phi-3.5 Chat is 44.2 points above that provider line, so it is a stronger result than the average Microsoft model.

Among open-weight models, the average is 1338.0. Phi-3.5 Chat is 0.0 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 1338.0 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 $2.64 per million input tokens, Phi-3.5 Chat 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
Nova Pro Mini Amazon 16384 $7.74 70.6
Arctic Chat Snowflake 16384 $2.70 69.8
Auto OpenRouter 32768 $7.53 70.2
Claude 3.7 Sonnet Nano Anthropic 65536 $6.93 68.9
Phi-3.5 Chat Microsoft 16384 $2.64 69.0
Mixtral Groq Base Groq 32768 $2.66 68.4
Nemotron Nano NVIDIA 8192 $2.24 66.6

Other benchmarks for Phi-3.5 Chat

BenchmarkScoreRankPercentileRelative
MMLU-Pro 74.4 345 43th
GPQA Diamond 64.9 362 40th
SWE-bench Verified 56.6 372 38th
HumanEval 71.0 389 35th
MATH-500 69.0 388 35th
AIME 2025 64.6 346 42th
LiveCodeBench 62.6 340 43th
IFEval 79.2 352 41th
TruthfulQA 72.4 377 37th
HellaSwag 80.9 373 38th
MMMU 63.7 393 35th

FAQ

What score does Phi-3.5 Chat get on Arena Elo?

Phi-3.5 Chat scores 1338.0 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.

How does Phi-3.5 Chat rank on Arena Elo?

It ranks #380 of 600 models, in the 37th percentile. The leader is Claude Opus 4.5 Max at 1501.9.

Is Phi-3.5 Chat 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-3.5 Chat cost?

Phi-3.5 Chat costs $2.64 per million input tokens and $12.13 per million output tokens.

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