Safety · Reka AI

Reka Core Reasoning on TruthfulQA: score, rank and what it means

Reka Core Reasoning scores 79.3 on TruthfulQA, placing it #206 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
79.3
0–100 scale
Rank
#206
of 600
Percentile
66th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
11.8
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Reka Core Reasoning 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, Reka Core Reasoning sits at #206 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 11.8 points. The median model in this index scores 76.3, which puts Reka Core Reasoning above the midpoint.

Reka AI models average 76.6 on this benchmark. Reka Core Reasoning is 2.7 points above that provider line, so it is a stronger result than the average Reka AI model.

Among multimodal models, the average is 80.1. Reka Core Reasoning is 0.8 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 79.3 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 $13.11 per million input tokens, Reka Core Reasoning 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
Llama 3 Modal Modal 32768 $3.82 74.9
Llama 3 Hyperbolic Instruct Hyperbolic 200000 $3.79 76.2
Hunyuan-Turbo Turbo Tencent 65536 $11.60 77.4
Llama 3 Baseten Instruct Baseten 200000 $3.91 76.2
Reka Core Reasoning Reka AI 32768 $13.11 78.5
Seed-OSS Instruct ByteDance 128000 $3.79 76.0
Sonar Pro Pro Perplexity 200000 $13.59 79.7

Other benchmarks for Reka Core Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 81.4 137 77th
GPQA Diamond 72.6 208 65th
SWE-bench Verified 66.8 174 71th
HumanEval 82.5 177 71th
MATH-500 81.5 177 71th
AIME 2025 75.9 143 76th
LiveCodeBench 73.0 129 79th
IFEval 87.1 130 78th
HellaSwag 88.4 129 79th
MMMU 75.5 151 75th
Arena Elo 1421.5 142 76th

FAQ

What score does Reka Core Reasoning get on TruthfulQA?

Reka Core Reasoning scores 79.3 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Reka Core Reasoning rank on TruthfulQA?

It ranks #206 of 600 models, in the 66th percentile. The leader is GPT-5.1 Max at 91.1.

Is Reka Core Reasoning 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 Reka Core Reasoning cost?

Reka Core Reasoning costs $13.11 per million input tokens and $61.55 per million output tokens.

Related