Fusion Reasoning on MATH-500: score, rank and what it means
Fusion Reasoning scores 73.1 on MATH-500, placing it #356 of 600 models in the index. The benchmark average is 72.5 and the leader is GPT-5.2 Max at 96.7.
Score distribution
The chart shows the top 10 models on MATH-500, with Fusion Reasoning highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | GPT-5.2 Max | OpenAI | 1000000 | $21.39 | 89.2 |
| 2 | GPT-5.1 Reasoning | OpenAI | 400000 | $20.27 | 88.3 |
| 3 | GPT-5.1 Pro | OpenAI | 200000 | $19.77 | 87.8 |
| 4 | o4 Reasoning | OpenAI | 1000000 | $19.69 | 87.5 |
| 5 | Grok 4 Max | xAI | 2000000 | $19.70 | 86.6 |
| 6 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
| 7 | Claude Opus 4.5 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 8 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 9 | Gemini 3 Pro Reasoning | Google DeepMind | 200000 | $19.69 | 87.5 |
| 10 | Claude Opus 4.5 Turbo | Anthropic | 2000000 | $19.57 | 85.7 |
What this score means
On MATH-500, Fusion Reasoning sits at #356 of 600. The leader, GPT-5.2 Max, scores 96.7, so the gap to the top is 23.6 points. The median model in this index scores 76.0, which puts Fusion Reasoning below the midpoint.
OpenRouter models average 70.2 on this benchmark. Fusion Reasoning is 2.9 points above that provider line, so it is a stronger result than the average OpenRouter model.
Among mid-range models, the average is 70.0. Fusion Reasoning is 3.1 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 73.1 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 $8.59 per million input tokens, Fusion Reasoning is above the median input price of $4.00 across the 600 models scored on MATH-500. The models immediately around it in the ranking are shown below so you can compare score and price together.
| Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|
| Reka Core Mini | Reka AI | 8192 | $7.48 | 70.1 |
| Seed-OSS Base | ByteDance | 16384 | $3.14 | 72.2 |
| DBRX Chat | Databricks | 65536 | $3.07 | 71.7 |
| Claude Sonnet 4.5 Nano | Anthropic | 8192 | $8.93 | 72.0 |
| Fusion Reasoning | OpenRouter | 65536 | $8.59 | 72.2 |
| Mistral Small 3 Base | Mistral AI | 16384 | $3.19 | 72.7 |
| Firesearch Max | Fireworks AI | 8192 | $7.80 | 69.9 |
Other benchmarks for Fusion Reasoning
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 73.3 | 365 | 39th | |
| GPQA Diamond | 67.4 | 323 | 46th | |
| SWE-bench Verified | 61.7 | 288 | 52th | |
| HumanEval | 78.2 | 285 | 53th | |
| 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 MATH-500?
Fusion Reasoning scores 73.1 on MATH-500 in this index. The benchmark average is 72.5 and the top score is 96.7.
How does Fusion Reasoning rank on MATH-500?
It ranks #356 of 600 models, in the 41st percentile. The leader is GPT-5.2 Max at 96.7.
Is Fusion Reasoning good at MATH-500?
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 MATH-500 score calculated?
MATH-500 is a mathematics 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.