Safety · OpenRouter

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

Fusion Reasoning scores 73.8 on TruthfulQA, placing it #358 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
73.8
0–100 scale
Rank
#358
of 600
Percentile
40th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
17.3
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with Fusion 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, Fusion Reasoning sits at #358 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 17.3 points. The median model in this index scores 76.3, which puts Fusion Reasoning below the midpoint.

OpenRouter models average 72.0 on this benchmark. Fusion Reasoning is 1.8 points above that provider line, so it is a stronger result than the average OpenRouter model.

Among mid-range models, the average is 71.6. Fusion Reasoning is 2.2 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 73.8 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 $8.59 per million input tokens, Fusion 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
Sonar Mini Perplexity 65536 $6.52 67.9
Arctic Chat Snowflake 16384 $2.70 69.8
Command R+ Base Cohere 65536 $3.24 71.6
Auto OpenRouter 32768 $7.53 70.2
Fusion Reasoning OpenRouter 65536 $8.59 72.2
Hunyuan-Turbo Mini Tencent 8192 $6.59 68.3
Mixtral Chat Mistral AI 65536 $3.30 72.6

Other benchmarks for Fusion Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 73.3 365 39th
GPQA Diamond 67.4 323 46th
SWE-bench Verified 61.7 288 52th
HumanEval 78.2 285 53th
MATH-500 73.1 356 41th
AIME 2025 63.3 364 39th
LiveCodeBench 66.6 259 57th
IFEval 82.0 278 54th
HellaSwag 84.1 274 54th
MMMU 71.0 272 55th
Arena Elo 1357.6 348 42th

FAQ

What score does Fusion Reasoning get on TruthfulQA?

Fusion Reasoning scores 73.8 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does Fusion Reasoning rank on TruthfulQA?

It ranks #358 of 600 models, in the 40th percentile. The leader is GPT-5.1 Max at 91.1.

Is Fusion Reasoning good at TruthfulQA?

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 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 Fusion Reasoning cost?

Fusion Reasoning costs $8.59 per million input tokens and $32.34 per million output tokens.

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