Safety · Meta AI

Llama 3.1 Base on TruthfulQA: score, rank and what it means

Llama 3.1 Base scores 75.7 on TruthfulQA, placing it #315 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
75.7
0–100 scale
Rank
#315
of 600
Percentile
48th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
15.4
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Llama 3.1 Base 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, Llama 3.1 Base sits at #315 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 15.4 points. The median model in this index scores 76.3, which puts Llama 3.1 Base below the midpoint.

Meta AI models average 72.7 on this benchmark. Llama 3.1 Base is 3.0 points above that provider line, so it is a stronger result than the average Meta AI model.

Among multimodal models, the average is 80.1. Llama 3.1 Base is 4.4 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 75.7 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 $3.39 per million input tokens, Llama 3.1 Base is below 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
Yi-Large Base 01.AI 16384 $2.78 70.3
Firefunction Max Fireworks AI 32768 $9.12 73.2
Nova Pro Mini Amazon 16384 $7.74 70.6
Gemma 3 Instruct Google DeepMind 128000 $3.72 74.1
Llama 3.1 Base Meta AI 32768 $3.39 72.2
MiniMax-Text Base MiniMax 128000 $3.66 74.9
Claude Sonnet 4.5 Nano Anthropic 8192 $8.93 72.0

Other benchmarks for Llama 3.1 Base

BenchmarkScoreRankPercentileRelative
MMLU-Pro 75.2 328 45th
GPQA Diamond 68.3 308 49th
SWE-bench Verified 59.9 329 45th
HumanEval 76.4 322 46th
MATH-500 77.0 277 54th
AIME 2025 64.7 341 43th
LiveCodeBench 61.7 353 41th
IFEval 83.0 242 60th
HellaSwag 81.9 351 42th
MMMU 69.9 308 49th
Arena Elo 1369.7 318 47th

FAQ

What score does Llama 3.1 Base get on TruthfulQA?

Llama 3.1 Base scores 75.7 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Llama 3.1 Base rank on TruthfulQA?

It ranks #315 of 600 models, in the 48th percentile. The leader is GPT-5.1 Max at 91.1.

Is Llama 3.1 Base 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 Llama 3.1 Base cost?

Llama 3.1 Base costs $3.39 per million input tokens and $16.57 per million output tokens.

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