Instruction following · Reka AI

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

Reka Flash scores 81.1 on IFEval, placing it #309 of 600 models in the index. The benchmark average is 78.6 and the leader is Claude Opus 4.5 Pro at 96.1.

Score
81.1
0–100 scale
Rank
#309
of 600
Percentile
49th
within the index
Benchmark avg
78.6
all models
Leader
96.1
Claude Opus 4.5 Pro
Gap to leader
15.0
points

Score distribution

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

Claude Opus 4.5 Pro 96.1
Claude Opus 4.5 Reasoning 95.9
GPT-5.2 Pro 95.6
GPT-5.2 Max 95.2
GPT-5.2 Reasoning 95.0
GPT-5.1 Pro 94.8
Gemini 3 Pro Max 94.7
GPT-5.1 Reasoning 94.6
Claude Opus 4.5 Max 94.5
o4 Reasoning 94.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
3 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
4 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
5 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
6 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
7 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
8 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 o4 Reasoning OpenAI 1000000 $19.69 87.5

What this score means

On IFEval, Reka Flash sits at #309 of 600. The leader, Claude Opus 4.5 Pro, scores 96.1, so the gap to the top is 15.0 points. The median model in this index scores 81.2, which puts Reka Flash below the midpoint.

Reka AI models average 82.0 on this benchmark. Reka Flash is 0.9 points below that provider line, so it is a weaker result than the average Reka AI model.

Among multimodal models, the average is 85.2. Reka Flash is 4.1 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 81.1 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 IFEval. 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
Firefunction Reasoning Fireworks AI 8192 $9.08 72.5
Fusion OpenRouter 16384 $8.41 71.1
Gemma 3 Instruct Google DeepMind 128000 $3.72 74.1
Reka Flash Reka AI 128000 $9.95 74.1
Llama 3.3 Groq Base Groq 16384 $3.24 73.5
Hunyuan-Large Base Tencent 200000 $3.64 74.0

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
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 IFEval?

Reka Flash scores 81.1 on IFEval in this index. The benchmark average is 78.6 and the top score is 96.1.

How does Reka Flash rank on IFEval?

It ranks #309 of 600 models, in the 49th percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Reka Flash good at IFEval?

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 IFEval score calculated?

IFEval is a instruction following 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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