Safety · Reka AI

Reka Flash Nano on TruthfulQA: score, rank and what it means

Reka Flash Nano scores 63.6 on TruthfulQA, placing it #481 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
63.6
0–100 scale
Rank
#481
of 600
Percentile
20th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
27.5
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Reka Flash Nano 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 Flash Nano sits at #481 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 27.5 points. The median model in this index scores 76.3, which puts Reka Flash Nano below the midpoint.

Reka AI models average 76.6 on this benchmark. Reka Flash Nano is 13.0 points below that provider line, so it is a weaker result than the average Reka AI model.

Among mid-range models, the average is 71.6. Reka Flash Nano is 8.0 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 63.6 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 $3.93 per million input tokens, Reka Flash Nano 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
Nemotron 4 7B NVIDIA 16384 $1.05 56.9
QwQ 8B Alibaba Cloud 16384 $1.37 59.5
Yi-Large 8B 01.AI 32768 $0.88 56.1
Llama 3 DeepInfra 7B DeepInfra 16384 $0.95 55.6
Reka Flash Nano Reka AI 16384 $3.93 61.0
Llama 3 DeepInfra 8B DeepInfra 8192 $1.05 57.4
Command R+ 8B Cohere 8192 $1.21 57.7

Other benchmarks for Reka Flash Nano

BenchmarkScoreRankPercentileRelative
MMLU-Pro 66.4 435 28th
GPQA Diamond 59.0 417 31th
SWE-bench Verified 48.7 433 28th
HumanEval 65.9 431 28th
MATH-500 61.5 448 25th
AIME 2025 52.4 441 27th
LiveCodeBench 50.6 441 27th
IFEval 69.9 463 23th
HellaSwag 74.6 449 25th
MMMU 58.8 445 26th
Arena Elo 1267.9 464 23th

FAQ

What score does Reka Flash Nano get on TruthfulQA?

Reka Flash Nano scores 63.6 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Reka Flash Nano rank on TruthfulQA?

It ranks #481 of 600 models, in the 20th percentile. The leader is GPT-5.1 Max at 91.1.

Is Reka Flash Nano 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 Reka Flash Nano cost?

Reka Flash Nano costs $3.93 per million input tokens and $16.57 per million output tokens.

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