Instruction following · Fireworks AI

Firefunction Pro on IFEval: score, rank and what it means

Firefunction Pro scores 82.6 on IFEval, placing it #256 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
82.6
0–100 scale
Rank
#256
of 600
Percentile
57th
within the index
Benchmark avg
78.6
all models
Leader
96.1
Claude Opus 4.5 Pro
Gap to leader
13.5
points

Score distribution

The chart shows the top 10 models on IFEval, with Firefunction Pro 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, Firefunction Pro sits at #256 of 600. The leader, Claude Opus 4.5 Pro, scores 96.1, so the gap to the top is 13.5 points. The median model in this index scores 81.2, which puts Firefunction Pro above the midpoint.

Fireworks AI models average 76.8 on this benchmark. Firefunction Pro is 5.8 points above that provider line, so it is a stronger result than the average Fireworks AI model.

Among mid-range models, the average is 76.5. Firefunction Pro is 6.1 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 82.6 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 $9.05 per million input tokens, Firefunction Pro 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
Seed-OSS Instruct ByteDance 128000 $3.79 76.0
Llama 3.1 Cerebras Base Cerebras 65536 $3.36 72.7
Sonar Turbo Perplexity 65536 $10.71 75.7
o3 Mini OpenAI 128000 $10.68 76.2
Firefunction Pro Fireworks AI 16384 $9.05 72.9
GPT-5.1 Nano OpenAI 32768 $9.56 74.1
Gemini 3 Pro Nano Google DeepMind 8192 $9.11 73.2

Other benchmarks for Firefunction Pro

BenchmarkScoreRankPercentileRelative
MMLU-Pro 75.6 315 48th
GPQA Diamond 66.1 342 43th
SWE-bench Verified 60.9 303 50th
HumanEval 76.5 319 47th
MATH-500 74.6 337 44th
AIME 2025 71.4 231 62th
LiveCodeBench 66.0 274 54th
TruthfulQA 74.8 333 45th
HellaSwag 85.0 242 60th
MMMU 68.4 338 44th
Arena Elo 1358.8 347 42th

FAQ

What score does Firefunction Pro get on IFEval?

Firefunction Pro scores 82.6 on IFEval in this index. The benchmark average is 78.6 and the top score is 96.1.

How does Firefunction Pro rank on IFEval?

It ranks #256 of 600 models, in the 57th percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Firefunction Pro good at IFEval?

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 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 Firefunction Pro cost?

Firefunction Pro costs $9.05 per million input tokens and $49.41 per million output tokens.

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