Commonsense · Reka AI

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

Reka Flash scores 83.0 on HellaSwag, placing it #321 of 600 models in the index. The benchmark average is 81.4 and the leader is GPT-5.2 Max at 96.1.

Score
83.0
0–100 scale
Rank
#321
of 600
Percentile
47th
within the index
Benchmark avg
81.4
all models
Leader
96.1
GPT-5.2 Max
Gap to leader
13.1
points

Score distribution

The chart shows the top 10 models on HellaSwag, with Reka Flash 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 sits at #321 of 600. The leader, GPT-5.2 Max, scores 96.1, so the gap to the top is 13.1 points. The median model in this index scores 83.6, which puts Reka Flash below the midpoint.

Reka AI models average 83.8 on this benchmark. Reka Flash is 0.8 points below that provider line, so it is a weaker result than the average Reka AI model.

Among multimodal models, the average is 86.8. Reka Flash is 3.8 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 83.0 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 $9.95 per million input tokens, Reka Flash 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
Llama 3 Modal Chat Modal 65536 $3.55 73.3
Nova Pro Mini Amazon 16384 $7.74 70.6
Claude Sonnet 4.5 Nano Anthropic 8192 $8.93 72.0
Llama 3.3 Base Meta AI 32768 $3.63 74.0
Reka Flash Reka AI 128000 $9.95 74.1
Yi-Large Base 01.AI 16384 $2.78 70.3
Phi-3.5 Microsoft 16384 $2.81 70.9

Other benchmarks for Reka Flash

BenchmarkScoreRankPercentileRelative
MMLU-Pro 78.8 221 63th
GPQA Diamond 68.6 304 49th
SWE-bench Verified 65.5 206 66th
HumanEval 80.1 232 61th
MATH-500 74.9 331 45th
AIME 2025 67.1 312 48th
LiveCodeBench 67.6 236 61th
IFEval 81.1 309 49th
TruthfulQA 79.0 222 63th
MMMU 69.3 321 47th
Arena Elo 1369.0 322 46th

FAQ

What score does Reka Flash get on HellaSwag?

Reka Flash scores 83.0 on HellaSwag in this index. The benchmark average is 81.4 and the top score is 96.1.

How does Reka Flash rank on HellaSwag?

It ranks #321 of 600 models, in the 47th percentile. The leader is GPT-5.2 Max at 96.1.

Is Reka Flash good at HellaSwag?

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 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 cost?

Reka Flash costs $9.95 per million input tokens and $36.78 per million output tokens.

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