Instruction following · OpenRouter

Auto on IFEval: score, rank and what it means

Auto scores 77.3 on IFEval, placing it #375 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
77.3
0–100 scale
Rank
#375
of 600
Percentile
38th
within the index
Benchmark avg
78.6
all models
Leader
96.1
Claude Opus 4.5 Pro
Gap to leader
18.8
points

Score distribution

The chart shows the top 10 models on IFEval, with Auto 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, Auto sits at #375 of 600. The leader, Claude Opus 4.5 Pro, scores 96.1, so the gap to the top is 18.8 points. The median model in this index scores 81.2, which puts Auto below the midpoint.

OpenRouter models average 77.2 on this benchmark. Auto is 0.1 points above that provider line, so it is a stronger result than the average OpenRouter model.

Among mid-range models, the average is 76.5. Auto is 0.8 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 77.3 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 $7.53 per million input tokens, Auto 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
Gemini 3 Flash Nano Google DeepMind 32768 $7.56 69.4
Molmo Allen Institute for AI 32768 $2.49 68.5
Sonar Mini Perplexity 65536 $6.52 67.9
Firesearch Turbo Fireworks AI 16384 $7.58 69.3
Auto OpenRouter 32768 $7.53 70.2
Firesearch Reasoning Fireworks AI 32768 $7.74 69.0
Phi-3.5 Microsoft 16384 $2.81 70.9

Other benchmarks for Auto

BenchmarkScoreRankPercentileRelative
MMLU-Pro 73.6 362 40th
GPQA Diamond 63.9 378 37th
SWE-bench Verified 58.1 355 41th
HumanEval 75.2 340 43th
MATH-500 74.1 343 43th
AIME 2025 67.0 313 48th
LiveCodeBench 59.0 378 37th
TruthfulQA 73.8 357 41th
HellaSwag 81.1 364 39th
MMMU 69.6 314 48th
Arena Elo 1341.2 378 37th

FAQ

What score does Auto get on IFEval?

Auto scores 77.3 on IFEval in this index. The benchmark average is 78.6 and the top score is 96.1.

How does Auto rank on IFEval?

It ranks #375 of 600 models, in the 38th percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Auto 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 Auto cost?

Auto costs $7.53 per million input tokens and $29.19 per million output tokens.

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