Safety · Moonshot AI

Kimi K2 Chat on TruthfulQA: score, rank and what it means

Kimi K2 Chat scores 82.8 on TruthfulQA, placing it #111 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
82.8
0–100 scale
Rank
#111
of 600
Percentile
82th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
8.3
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Kimi K2 Chat 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, Kimi K2 Chat sits at #111 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 8.3 points. The median model in this index scores 76.3, which puts Kimi K2 Chat above the midpoint.

Moonshot AI models average 75.2 on this benchmark. Kimi K2 Chat is 7.6 points above that provider line, so it is a stronger result than the average Moonshot AI model.

Among multimodal models, the average is 80.1. Kimi K2 Chat is 2.7 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 82.8 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 $5.74 per million input tokens, Kimi K2 Chat 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
DeepSeek-R1 DeepSeek 128000 $5.83 82.8
ERNIE 4.5 Reasoning Baidu 1000000 $14.36 79.8
Claude Haiku 4.5 Vision Anthropic 128000 $13.01 79.2
Gemini 2.5 Pro Google DeepMind 200000 $15.20 81.6
Kimi K2 Chat Moonshot AI 400000 $5.74 82.1
Kimi K2 Instruct Moonshot AI 1000000 $5.80 82.3
QwQ Instruct Alibaba Cloud 65536 $4.62 79.0

Other benchmarks for Kimi K2 Chat

BenchmarkScoreRankPercentileRelative
MMLU-Pro 82.7 110 82th
GPQA Diamond 77.4 99 84th
SWE-bench Verified 70.0 110 82th
HumanEval 88.1 71 88th
MATH-500 84.8 112 81th
AIME 2025 84.1 48 92th
LiveCodeBench 74.5 100 83th
IFEval 88.0 101 83th
HellaSwag 91.6 46 92th
MMMU 79.6 64 89th
Arena Elo 1445.6 89 85th

FAQ

What score does Kimi K2 Chat get on TruthfulQA?

Kimi K2 Chat scores 82.8 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Kimi K2 Chat rank on TruthfulQA?

It ranks #111 of 600 models, in the 82nd percentile. The leader is GPT-5.1 Max at 91.1.

Is Kimi K2 Chat 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 Kimi K2 Chat cost?

Kimi K2 Chat costs $5.74 per million input tokens and $22.24 per million output tokens.

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