Instruction following · Fireworks AI

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

Firefunction Reasoning scores 81.1 on IFEval, placing it #306 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
#306
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 Firefunction Reasoning 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 Reasoning sits at #306 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 Firefunction Reasoning below the midpoint.

Fireworks AI models average 76.8 on this benchmark. Firefunction Reasoning is 4.3 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 Reasoning is 4.6 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 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 $9.08 per million input tokens, Firefunction Reasoning 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
Phi-4 Base Microsoft 32768 $3.15 71.2
QwQ Base Alibaba Cloud 65536 $3.68 74.1
Yi-Large 01.AI 32768 $3.40 73.5
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

Other benchmarks for Firefunction Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 73.7 359 40th
GPQA Diamond 68.2 309 49th
SWE-bench Verified 58.2 351 42th
HumanEval 77.2 306 49th
MATH-500 76.5 290 52th
AIME 2025 71.4 232 61th
LiveCodeBench 63.7 326 46th
TruthfulQA 77.5 268 55th
HellaSwag 83.1 316 47th
MMMU 67.3 354 41th
Arena Elo 1359.1 346 42th

FAQ

What score does Firefunction Reasoning get on IFEval?

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

How does Firefunction Reasoning rank on IFEval?

It ranks #306 of 600 models, in the 49th percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Firefunction Reasoning 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 Firefunction Reasoning cost?

Firefunction Reasoning costs $9.08 per million input tokens and $42.16 per million output tokens.

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