Commonsense · Reka AI

Reka Flash Reasoning on HellaSwag: score, rank and what it means

Reka Flash Reasoning scores 84.2 on HellaSwag, placing it #273 of 600 models in the index. The benchmark average is 81.4 and the leader is GPT-5.2 Max at 96.1.

Score
84.2
0–100 scale
Rank
#273
of 600
Percentile
55th
within the index
Benchmark avg
81.4
all models
Leader
96.1
GPT-5.2 Max
Gap to leader
11.9
points

Score distribution

The chart shows the top 10 models on HellaSwag, with Reka Flash Reasoning highlighted. Longer bars mean higher scores.

GPT-5.2 Max 96.1
GPT-5.2 Turbo 95.5
GPT-5.2 Pro 95.3
Claude Opus 4.5 Pro 95.2
Claude Sonnet 4.5 Reasoning 95.2
Grok 4 Reasoning 95.2
GPT-5.2 Vision 94.6
Gemini 3 Pro Turbo 94.6
GPT-5.1 Reasoning 94.4
o4 Pro 94.4

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
2 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
3 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
4 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
5 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
6 Grok 4 Reasoning xAI 2000000 $19.67 87.8
7 GPT-5.2 Vision OpenAI 1000000 $19.03 87.4
8 Gemini 3 Pro Turbo Google DeepMind 400000 $19.62 86.4
9 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
10 o4 Pro OpenAI 1000000 $19.37 87.3

What this score means

On HellaSwag, Reka Flash Reasoning sits at #273 of 600. The leader, GPT-5.2 Max, scores 96.1, so the gap to the top is 11.9 points. The median model in this index scores 83.6, which puts Reka Flash Reasoning above the midpoint.

Reka AI models average 83.8 on this benchmark. Reka Flash Reasoning is 0.4 points above that provider line, so it is a stronger result than the average Reka AI model.

Among multimodal models, the average is 86.8. Reka Flash Reasoning is 2.6 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 84.2 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 $10.70 per million input tokens, Reka Flash Reasoning is above the median input price of $4.00 across the 600 models scored on HellaSwag. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Yi-Large Instruct 01.AI 32768 $3.48 73.4
Llama 3 Baseten Baseten 128000 $3.62 74.9
Llama 3 Baseten Chat Baseten 200000 $3.55 73.2
Qwen3-Max Mini Alibaba Cloud 128000 $11.13 76.5
Reka Flash Reasoning Reka AI 32768 $10.70 75.6
Fusion Reasoning OpenRouter 65536 $8.59 72.2
Gemini 3 Flash Mini Google DeepMind 200000 $10.71 76.0

Other benchmarks for Reka Flash Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 77.8 251 58th
GPQA Diamond 70.4 253 58th
SWE-bench Verified 66.9 172 71th
HumanEval 81.5 199 67th
MATH-500 77.0 281 53th
AIME 2025 73.9 186 69th
LiveCodeBench 66.4 267 56th
IFEval 85.2 187 69th
TruthfulQA 76.3 301 50th
MMMU 72.2 237 61th
Arena Elo 1392.9 236 61th

FAQ

What score does Reka Flash Reasoning get on HellaSwag?

Reka Flash Reasoning scores 84.2 on HellaSwag in this index. The benchmark average is 81.4 and the top score is 96.1.

How does Reka Flash Reasoning rank on HellaSwag?

It ranks #273 of 600 models, in the 55th percentile. The leader is GPT-5.2 Max at 96.1.

Is Reka Flash Reasoning good at HellaSwag?

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 HellaSwag score calculated?

HellaSwag is a commonsense 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 Reasoning cost?

Reka Flash Reasoning costs $10.70 per million input tokens and $57.45 per million output tokens.

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