Safety · Baidu

ERNIE 4.0 Nano on TruthfulQA: score, rank and what it means

ERNIE 4.0 Nano scores 68.3 on TruthfulQA, placing it #410 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
68.3
0–100 scale
Rank
#410
of 600
Percentile
32th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
22.8
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with ERNIE 4.0 Nano highlighted. Longer bars mean higher scores.

GPT-5.1 Max 91.1
Gemini 3 Pro Reasoning 90.3
GPT-5.1 Reasoning 90.0
GPT-5.2 Pro 90.0
GPT-5.2 89.7
Gemini 3 Pro Max 89.6
Grok 4 Reasoning 89.4
Qwen3-Max Max 89.3
GPT-5.1 89.2
GPT-5.1 Turbo 89.2

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
2 Gemini 3 Pro Reasoning Google DeepMind 200000 $19.69 87.5
3 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
4 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
5 GPT-5.2 OpenAI 2000000 $19.71 88.0
6 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
7 Grok 4 Reasoning xAI 2000000 $19.67 87.8
8 Qwen3-Max Max Alibaba Cloud 400000 $18.53 85.9
9 GPT-5.1 OpenAI 2000000 $19.01 86.0
10 GPT-5.1 Turbo OpenAI 2000000 $19.19 86.1

What this score means

On TruthfulQA, ERNIE 4.0 Nano sits at #410 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 22.8 points. The median model in this index scores 76.3, which puts ERNIE 4.0 Nano below the midpoint.

Baidu models average 78.4 on this benchmark. ERNIE 4.0 Nano is 10.1 points below that provider line, so it is a weaker result than the average Baidu model.

Among mid-range models, the average is 71.6. ERNIE 4.0 Nano is 3.3 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 68.3 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 $4.68 per million input tokens, ERNIE 4.0 Nano is above the median input price of $4.00 across the 600 models scored on TruthfulQA. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Nemotron Nano NVIDIA 8192 $2.24 66.6
Nemotron Nano Base NVIDIA 8192 $1.85 65.0
StableLM 2 Stability AI 8192 $1.91 65.0
Sonar Nano Perplexity 4096 $4.37 61.9
ERNIE 4.0 Nano Baidu 32768 $4.68 62.1
Embed 4 Max Cohere 8192 $5.68 66.1
GLM-4.6 8B Zhipu AI 8192 $1.69 63.1

Other benchmarks for ERNIE 4.0 Nano

BenchmarkScoreRankPercentileRelative
MMLU-Pro 65.6 442 26th
GPQA Diamond 57.1 439 27th
SWE-bench Verified 47.0 446 26th
HumanEval 67.0 422 30th
MATH-500 63.4 431 28th
AIME 2025 53.8 426 29th
LiveCodeBench 53.3 415 31th
IFEval 71.2 438 27th
HellaSwag 74.8 444 26th
MMMU 61.6 414 31th
Arena Elo 1288.3 432 28th

FAQ

What score does ERNIE 4.0 Nano get on TruthfulQA?

ERNIE 4.0 Nano scores 68.3 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does ERNIE 4.0 Nano rank on TruthfulQA?

It ranks #410 of 600 models, in the 32nd percentile. The leader is GPT-5.1 Max at 91.1.

Is ERNIE 4.0 Nano good at TruthfulQA?

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 TruthfulQA score calculated?

TruthfulQA is a safety 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 ERNIE 4.0 Nano cost?

ERNIE 4.0 Nano costs $4.68 per million input tokens and $22.77 per million output tokens.

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