Instruction following · xAI

Grok 3 Nano on IFEval: score, rank and what it means

Grok 3 Nano scores 76.3 on IFEval, placing it #384 of 600 models in the index. The benchmark average is 78.6 and the leader is Claude Opus 4.5 Pro at 96.1.

Score
76.3
0–100 scale
Rank
#384
of 600
Percentile
36th
within the index
Benchmark avg
78.6
all models
Leader
96.1
Claude Opus 4.5 Pro
Gap to leader
19.8
points

Score distribution

The chart shows the top 10 models on IFEval, with Grok 3 Nano highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Pro 96.1
Claude Opus 4.5 Reasoning 95.9
GPT-5.2 Pro 95.6
GPT-5.2 Max 95.2
GPT-5.2 Reasoning 95.0
GPT-5.1 Pro 94.8
Gemini 3 Pro Max 94.7
GPT-5.1 Reasoning 94.6
Claude Opus 4.5 Max 94.5
o4 Reasoning 94.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
3 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
4 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
5 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
6 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
7 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
8 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 o4 Reasoning OpenAI 1000000 $19.69 87.5

What this score means

On IFEval, Grok 3 Nano sits at #384 of 600. The leader, Claude Opus 4.5 Pro, scores 96.1, so the gap to the top is 19.8 points. The median model in this index scores 81.2, which puts Grok 3 Nano below the midpoint.

xAI models average 88.3 on this benchmark. Grok 3 Nano is 12.0 points below that provider line, so it is a weaker result than the average xAI model.

Among mid-range models, the average is 76.5. Grok 3 Nano is 0.2 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 76.3 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 $7.12 per million input tokens, Grok 3 Nano is above the median input price of $4.00 across the 600 models scored on IFEval. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
DBRX Base Databricks 32768 $2.63 69.1
Hunyuan-Turbo Mini Tencent 8192 $6.59 68.3
ERNIE 4.0 Mini Baidu 32768 $7.11 68.8
OLMo 2 Base Allen Institute for AI 65536 $2.39 67.4
Grok 3 Nano xAI 8192 $7.12 67.8
Mixtral Groq Base Groq 32768 $2.66 68.4
Claude 3.7 Sonnet Nano Anthropic 65536 $6.93 68.9

Other benchmarks for Grok 3 Nano

BenchmarkScoreRankPercentileRelative
MMLU-Pro 72.1 383 36th
GPQA Diamond 65.0 360 40th
SWE-bench Verified 55.1 384 36th
HumanEval 71.4 384 36th
MATH-500 71.6 372 38th
AIME 2025 62.3 374 38th
LiveCodeBench 57.5 392 35th
TruthfulQA 70.6 394 34th
HellaSwag 79.8 381 37th
MMMU 63.6 394 34th
Arena Elo 1349.0 366 39th

FAQ

What score does Grok 3 Nano get on IFEval?

Grok 3 Nano scores 76.3 on IFEval in this index. The benchmark average is 78.6 and the top score is 96.1.

How does Grok 3 Nano rank on IFEval?

It ranks #384 of 600 models, in the 36th percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Grok 3 Nano good at IFEval?

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 IFEval score calculated?

IFEval is a instruction following 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 Grok 3 Nano cost?

Grok 3 Nano costs $7.12 per million input tokens and $37.59 per million output tokens.

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