Safety · OpenAI

o3 Turbo on TruthfulQA: score, rank and what it means

o3 Turbo scores 83.6 on TruthfulQA, placing it #91 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
83.6
0–100 scale
Rank
#91
of 600
Percentile
85th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
7.5
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with o3 Turbo 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, o3 Turbo sits at #91 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 7.5 points. The median model in this index scores 76.3, which puts o3 Turbo above the midpoint.

OpenAI models average 85.0 on this benchmark. o3 Turbo is 1.4 points below that provider line, so it is a weaker result than the average OpenAI model.

Among frontier models, the average is 86.9. o3 Turbo 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 83.6 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 $16.63 per million input tokens, o3 Turbo 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
Claude Haiku 4.5 Max Anthropic 200000 $15.98 83.8
Claude Sonnet 4.5 Vision Anthropic 128000 $16.99 83.8
Mistral Large 3 Mistral AI 128000 $5.41 81.7
ERNIE 4.5 Max Baidu 128000 $14.41 80.6
o3 Turbo OpenAI 200000 $16.63 83.4
DeepSeek-V3.2 Base DeepSeek 128000 $5.05 80.2
MiniMax-M2 MiniMax 200000 $5.19 80.6

Other benchmarks for o3 Turbo

BenchmarkScoreRankPercentileRelative
MMLU-Pro 82.7 111 82th
GPQA Diamond 77.7 95 84th
SWE-bench Verified 70.7 98 84th
HumanEval 87.4 81 87th
MATH-500 90.6 41 93th
AIME 2025 83.0 55 91th
LiveCodeBench 80.7 36 94th
IFEval 89.1 80 87th
HellaSwag 91.8 44 93th
MMMU 79.7 63 90th
Arena Elo 1456.2 61 90th

FAQ

What score does o3 Turbo get on TruthfulQA?

o3 Turbo scores 83.6 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does o3 Turbo rank on TruthfulQA?

It ranks #91 of 600 models, in the 85th percentile. The leader is GPT-5.1 Max at 91.1.

Is o3 Turbo good at TruthfulQA?

Yes, relative to the index: it is above the median and inside the top half of scores. 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 o3 Turbo cost?

o3 Turbo costs $16.63 per million input tokens and $83.71 per million output tokens.

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