Coding · OpenRouter

Fusion Reasoning on SWE-bench Verified: score, rank and what it means

Fusion Reasoning scores 61.7 on SWE-bench Verified, placing it #288 of 600 models in the index. The benchmark average is 57.5 and the leader is GPT-5.2 Pro at 81.7.

Score
61.7
0–100 scale
Rank
#288
of 600
Percentile
52th
within the index
Benchmark avg
57.5
all models
Leader
81.7
GPT-5.2 Pro
Gap to leader
20.0
points

Score distribution

The chart shows the top 10 models on SWE-bench Verified, with Fusion Reasoning highlighted. Longer bars mean higher scores.

GPT-5.2 Pro 81.7
Claude Opus 4.5 Pro 81.1
GPT-5.2 Max 80.5
Claude Sonnet 4.5 Max 80.2
GPT-5.2 80.2
GPT-5.1 Pro 80.1
o4 Max 79.8
Claude Sonnet 4.5 Reasoning 79.6
Claude Opus 4.5 Max 79.5
Claude Opus 4.5 Reasoning 79.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
2 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
3 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
4 Claude Sonnet 4.5 Max Anthropic 1000000 $19.90 87.2
5 GPT-5.2 OpenAI 2000000 $19.71 88.0
6 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
7 o4 Max OpenAI 2000000 $19.51 86.2
8 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2

What this score means

On SWE-bench Verified, Fusion Reasoning sits at #288 of 600. The leader, GPT-5.2 Pro, scores 81.7, so the gap to the top is 20.0 points. The median model in this index scores 61.0, which puts Fusion Reasoning above the midpoint.

OpenRouter models average 55.2 on this benchmark. Fusion Reasoning is 6.5 points above that provider line, so it is a stronger result than the average OpenRouter model.

Among mid-range models, the average is 54.9. Fusion Reasoning is 6.8 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 61.7 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 SWE-bench Verified. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Llama 3 Hyperbolic Chat Hyperbolic 200000 $3.64 75.1
Llama 3 Novita Novita AI 128000 $3.70 74.4
Nova Lite Pro Amazon 200000 $9.69 74.1
Reka Flash Pro Reka AI 200000 $10.82 75.2
Fusion Reasoning OpenRouter 65536 $8.59 72.2
GLM-4.5 Base Zhipu AI 32768 $3.99 74.9
Llama 3 Novita Chat Novita AI 65536 $3.50 74.2

Other benchmarks for Fusion Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 73.3 365 39th
GPQA Diamond 67.4 323 46th
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
TruthfulQA 73.8 358 40th
HellaSwag 84.1 274 54th
MMMU 71.0 272 55th
Arena Elo 1357.6 348 42th

FAQ

What score does Fusion Reasoning get on SWE-bench Verified?

Fusion Reasoning scores 61.7 on SWE-bench Verified in this index. The benchmark average is 57.5 and the top score is 81.7.

How does Fusion Reasoning rank on SWE-bench Verified?

It ranks #288 of 600 models, in the 52nd percentile. The leader is GPT-5.2 Pro at 81.7.

Is Fusion Reasoning good at SWE-bench Verified?

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 SWE-bench Verified score calculated?

SWE-bench Verified is a coding 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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