Commonsense · EleutherAI

GPT-NeoX Chat on HellaSwag: score, rank and what it means

GPT-NeoX Chat scores 73.4 on HellaSwag, placing it #471 of 600 models in the index. The benchmark average is 81.4 and the leader is GPT-5.2 Max at 96.1.

Score
73.4
0–100 scale
Rank
#471
of 600
Percentile
22th
within the index
Benchmark avg
81.4
all models
Leader
96.1
GPT-5.2 Max
Gap to leader
22.7
points

Score distribution

The chart shows the top 10 models on HellaSwag, with GPT-NeoX Chat highlighted. Longer bars mean higher scores.

GPT-5.2 Max 96.1
GPT-5.2 Turbo 95.5
GPT-5.2 Pro 95.3
Claude Opus 4.5 Pro 95.2
Claude Sonnet 4.5 Reasoning 95.2
Grok 4 Reasoning 95.2
GPT-5.2 Vision 94.6
Gemini 3 Pro Turbo 94.6
GPT-5.1 Reasoning 94.4
o4 Pro 94.4

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
2 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
3 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
4 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
5 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
6 Grok 4 Reasoning xAI 2000000 $19.67 87.8
7 GPT-5.2 Vision OpenAI 1000000 $19.03 87.4
8 Gemini 3 Pro Turbo Google DeepMind 400000 $19.62 86.4
9 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
10 o4 Pro OpenAI 1000000 $19.37 87.3

What this score means

On HellaSwag, GPT-NeoX Chat sits at #471 of 600. The leader, GPT-5.2 Max, scores 96.1, so the gap to the top is 22.7 points. The median model in this index scores 83.6, which puts GPT-NeoX Chat below the midpoint.

EleutherAI models average 68.1 on this benchmark. GPT-NeoX Chat is 5.3 points above that provider line, so it is a stronger result than the average EleutherAI model.

Among open-weight models, the average is 80.2. GPT-NeoX Chat is 6.8 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 73.4 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 $1.49 per million input tokens, GPT-NeoX Chat is below the median input price of $4.00 across the 600 models scored on HellaSwag. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Llama 3 Novita 8B Novita AI 16384 $0.99 55.5
Mistral Small 3 8B Mistral AI 8192 $0.99 57.2
QwQ 7B Alibaba Cloud 8192 $1.11 58.1
GLM-4.5 8B Zhipu AI 32768 $1.46 61.3
GPT-NeoX Chat EleutherAI 16384 $1.49 60.1
Llama 3.1 Cerebras 8B Cerebras 32768 $1.02 58.2
GPT-NeoX Base EleutherAI 16384 $1.22 59.7

Other benchmarks for GPT-NeoX Chat

BenchmarkScoreRankPercentileRelative
MMLU-Pro 63.7 477 21th
GPQA Diamond 58.0 428 29th
SWE-bench Verified 47.7 440 27th
HumanEval 63.1 458 24th
MATH-500 63.0 436 27th
AIME 2025 51.0 451 25th
LiveCodeBench 48.8 457 24th
IFEval 70.4 452 25th
TruthfulQA 64.9 459 24th
MMMU 57.6 462 23th
Arena Elo 1270.7 457 24th

FAQ

What score does GPT-NeoX Chat get on HellaSwag?

GPT-NeoX Chat scores 73.4 on HellaSwag in this index. The benchmark average is 81.4 and the top score is 96.1.

How does GPT-NeoX Chat rank on HellaSwag?

It ranks #471 of 600 models, in the 22nd percentile. The leader is GPT-5.2 Max at 96.1.

Is GPT-NeoX Chat good at HellaSwag?

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 HellaSwag score calculated?

HellaSwag is a commonsense 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 GPT-NeoX Chat cost?

GPT-NeoX Chat costs $1.49 per million input tokens and $7.20 per million output tokens.

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