Safety · Mistral AI

Mixtral 8B on TruthfulQA: score, rank and what it means

Mixtral 8B scores 61.4 on TruthfulQA, placing it #515 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
61.4
0–100 scale
Rank
#515
of 600
Percentile
14th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
29.7
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Mixtral 8B 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, Mixtral 8B sits at #515 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 29.7 points. The median model in this index scores 76.3, which puts Mixtral 8B below the midpoint.

Mistral AI models average 71.0 on this benchmark. Mixtral 8B is 9.6 points below that provider line, so it is a weaker result than the average Mistral AI model.

Among small open-weight models, the average is 59.9. Mixtral 8B is 1.5 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 61.4 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 $0.91 per million input tokens, Mixtral 8B 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
Llama 3 Anyscale 7B Anyscale 4096 $0.98 56.2
Kimi K2 1.5B Moonshot AI 4096 $0.99 56.8
Llama 3 Modal 7B Modal 4096 $0.88 55.2
DeepSeek-R1 1.5B DeepSeek 16384 $1.04 56.6
Mixtral 8B Mistral AI 8192 $0.91 55.4
DeepSeek-V3.2 1.5B DeepSeek 4096 $1.02 56.9
Llama 4 Maverick 1.5B Meta AI 8192 $0.93 55.2

Other benchmarks for Mixtral 8B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 62.0 502 16th
GPQA Diamond 52.3 498 17th
SWE-bench Verified 41.1 510 15th
HumanEval 58.6 516 14th
MATH-500 56.3 504 16th
AIME 2025 44.3 504 16th
LiveCodeBench 41.9 526 12th
IFEval 68.4 484 19th
HellaSwag 71.5 510 15th
MMMU 52.1 529 12th
Arena Elo 1252.7 487 19th

FAQ

What score does Mixtral 8B get on TruthfulQA?

Mixtral 8B scores 61.4 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Mixtral 8B rank on TruthfulQA?

It ranks #515 of 600 models, in the 14th percentile. The leader is GPT-5.1 Max at 91.1.

Is Mixtral 8B 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 Mixtral 8B cost?

Mixtral 8B costs $0.91 per million input tokens and $4.38 per million output tokens.

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