Mathematics · Reka AI

Reka Flash on AIME 2025: score, rank and what it means

Reka Flash scores 67.1 on AIME 2025, placing it #312 of 600 models in the index. The benchmark average is 63.6 and the leader is Claude Opus 4.5 Pro at 91.4.

Score
67.1
0–100 scale
Rank
#312
of 600
Percentile
48th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
24.3
points

Score distribution

The chart shows the top 10 models on AIME 2025, with Reka Flash highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Pro 91.4
GPT-5.2 Pro 91.0
GPT-5.1 Pro 90.6
GPT-5.2 90.6
o4 Reasoning 90.3
o4 Pro 89.9
Claude Opus 4.5 89.8
Gemini 3 Pro Max 89.6
Claude Opus 4.5 Max 89.3
Claude Opus 4.5 Reasoning 88.9

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
3 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
4 GPT-5.2 OpenAI 2000000 $19.71 88.0
5 o4 Reasoning OpenAI 1000000 $19.69 87.5
6 o4 Pro OpenAI 1000000 $19.37 87.3
7 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
8 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2

What this score means

On AIME 2025, Reka Flash sits at #312 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 24.3 points. The median model in this index scores 67.6, which puts Reka Flash below the midpoint.

Reka AI models average 68.5 on this benchmark. Reka Flash is 1.4 points below that provider line, so it is a weaker result than the average Reka AI model.

Among multimodal models, the average is 73.9. Reka Flash is 6.8 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 67.1 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 AIME 2025. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Fusion Pro OpenRouter 65536 $8.69 72.2
Phi-4 Chat Microsoft 65536 $3.66 74.7
Seed-OSS Base ByteDance 16384 $3.14 72.2
Claude Haiku 4.5 Mini Anthropic 16384 $8.76 71.6
Reka Flash Reka AI 128000 $9.95 74.1
Auto OpenRouter 32768 $7.53 70.2
GPT-4.1 Mini OpenAI 128000 $10.43 74.3

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
LiveCodeBench 67.6 236 61th
IFEval 81.1 309 49th
TruthfulQA 79.0 222 63th
HellaSwag 83.0 321 47th
MMMU 69.3 321 47th
Arena Elo 1369.0 322 46th

FAQ

What score does Reka Flash get on AIME 2025?

Reka Flash scores 67.1 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does Reka Flash rank on AIME 2025?

It ranks #312 of 600 models, in the 48th percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is Reka Flash good at AIME 2025?

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 AIME 2025 score calculated?

AIME 2025 is a mathematics 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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