Safety · Fireworks AI

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

Firefunction Reasoning scores 77.5 on TruthfulQA, placing it #268 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
77.5
0–100 scale
Rank
#268
of 600
Percentile
55th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
13.6
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Firefunction Reasoning highlighted. Longer bars mean higher scores.

GPT-5.1 Max 91.1
Gemini 3 Pro Reasoning 90.3
GPT-5.1 Reasoning 90.0
GPT-5.2 Pro 90.0
GPT-5.2 89.7
Gemini 3 Pro Max 89.6
Grok 4 Reasoning 89.4
Qwen3-Max Max 89.3
GPT-5.1 89.2
GPT-5.1 Turbo 89.2

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
2 Gemini 3 Pro Reasoning Google DeepMind 200000 $19.69 87.5
3 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
4 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
5 GPT-5.2 OpenAI 2000000 $19.71 88.0
6 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
7 Grok 4 Reasoning xAI 2000000 $19.67 87.8
8 Qwen3-Max Max Alibaba Cloud 400000 $18.53 85.9
9 GPT-5.1 OpenAI 2000000 $19.01 86.0
10 GPT-5.1 Turbo OpenAI 2000000 $19.19 86.1

What this score means

On TruthfulQA, Firefunction Reasoning sits at #268 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 13.6 points. The median model in this index scores 76.3, which puts Firefunction Reasoning above the midpoint.

Fireworks AI models average 71.6 on this benchmark. Firefunction Reasoning is 5.9 points above that provider line, so it is a stronger result than the average Fireworks AI model.

Among mid-range models, the average is 71.6. Firefunction Reasoning is 5.9 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 77.5 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 TruthfulQA. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
DBRX Instruct Databricks 8192 $3.21 72.4
Hunyuan-Turbo Reasoning Tencent 128000 $11.89 77.5
Magistral Base Mistral AI 65536 $3.86 75.6
Auto Max OpenRouter 8192 $8.41 71.2
Firefunction Reasoning Fireworks AI 8192 $9.08 72.5
Grok 3 Mini xAI 200000 $9.67 73.9
Llama 3.3 Groq Chat Groq 32768 $4.06 76.8

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
IFEval 81.1 306 49th
HellaSwag 83.1 316 47th
MMMU 67.3 354 41th
Arena Elo 1359.1 346 42th

FAQ

What score does Firefunction Reasoning get on TruthfulQA?

Firefunction Reasoning scores 77.5 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Firefunction Reasoning rank on TruthfulQA?

It ranks #268 of 600 models, in the 55th percentile. The leader is GPT-5.1 Max at 91.1.

Is Firefunction Reasoning good at TruthfulQA?

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 TruthfulQA score calculated?

TruthfulQA is a safety 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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