Preference · OpenRouter

Fusion Mini on Arena Elo: score, rank and what it means

Fusion Mini scores 1312.2 on Arena Elo, placing it #403 of 600 models in the index. The benchmark average is 1349.9 and the leader is Claude Opus 4.5 Max at 1501.9.

Score
1312.2
0–100 scale
Rank
#403
of 600
Percentile
33th
within the index
Benchmark avg
1349.9
all models
Leader
1501.9
Claude Opus 4.5 Max
Gap to leader
189.7
points

Score distribution

The chart shows the top 10 models on Arena Elo, with Fusion Mini highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Max 1501.9
GPT-5.2 Reasoning 1500.4
GPT-5.2 Turbo 1500.3
Claude Opus 4.5 Reasoning 1497.5
GPT-5.2 Max 1495.3
Gemini 3 Pro Turbo 1494.9
Grok 4 Max 1491.4
Claude Opus 4.5 1491.2
GPT-5.1 Pro 1490.0
Grok 4 Reasoning 1487.6

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
2 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
3 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
4 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
5 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
6 Gemini 3 Pro Turbo Google DeepMind 400000 $19.62 86.4
7 Grok 4 Max xAI 2000000 $19.70 86.6
8 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
9 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
10 Grok 4 Reasoning xAI 2000000 $19.67 87.8

What this score means

On Arena Elo, Fusion Mini sits at #403 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 189.7 points. The median model in this index scores 1373.8, which puts Fusion Mini below the midpoint.

OpenRouter models average 1336.2 on this benchmark. Fusion Mini is 24.0 points below that provider line, so it is a weaker result than the average OpenRouter model.

Among mid-range models, the average is 1332.0. Fusion Mini is 19.8 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 1312.2 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 $4.89 per million input tokens, Fusion Mini is above the median input price of $4.00 across the 600 models scored on Arena Elo. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Embed 4 Pro Cohere 4096 $5.05 63.5
Phi-3.5 Base Microsoft 65536 $2.24 66.6
DeepSeek-R1 8B DeepSeek 16384 $1.87 64.3
Reka Flash Mini Reka AI 16384 $5.77 65.5
Fusion Mini OpenRouter 4096 $4.89 63.3
GLM-4.6 8B Zhipu AI 8192 $1.69 63.1
DeepSeek-V3.2 7B DeepSeek 4096 $1.75 63.2

Other benchmarks for Fusion Mini

BenchmarkScoreRankPercentileRelative
MMLU-Pro 66.5 430 28th
GPQA Diamond 59.3 409 32th
SWE-bench Verified 47.5 441 27th
HumanEval 67.2 419 30th
MATH-500 63.4 432 28th
AIME 2025 56.6 406 32th
LiveCodeBench 51.8 431 28th
IFEval 73.4 412 31th
TruthfulQA 70.1 398 34th
HellaSwag 77.5 407 32th
MMMU 63.5 396 34th

FAQ

What score does Fusion Mini get on Arena Elo?

Fusion Mini scores 1312.2 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.

How does Fusion Mini rank on Arena Elo?

It ranks #403 of 600 models, in the 33rd percentile. The leader is Claude Opus 4.5 Max at 1501.9.

Is Fusion Mini good at Arena Elo?

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 Arena Elo score calculated?

Arena Elo is a preference 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 Mini cost?

Fusion Mini costs $4.89 per million input tokens and $22.97 per million output tokens.

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