Model comparison
Mellum2-12B-A2.5B-Thinking vs Qwen 3.6 Max (preview)
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Mellum2-12B-A2.5B-Thinking unranked (Not scored); Qwen 3.6 Max (preview) #53 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Mellum2-12B-A2.5B-Thinking and Qwen 3.6 Max (preview) share 0 comparable benchmark results. 1 of 8 categories are comparable. 5 results are unique to Mellum2-12B-A2.5B-Thinking; 21 to Qwen 3.6 Max (preview).
Updated July 23, 2026- Shared results
- 0
- Mellum2-12B-A2.5B-Thinking only
- 5
- Qwen 3.6 Max (preview) only
- 21
- Comparable categories
- 1 / 8
Treat this as a split decision. Mellum2-12B-A2.5B-Thinking makes more sense if its workflow fits your team better; Qwen 3.6 Max (preview) is the better fit if knowledge is the priority or you need the larger 256K context window.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Mellum2-12B-A2.5B-Thinking and Qwen 3.6 Max (preview) finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Qwen 3.6 Max (preview) gives you the larger context window at 256K, compared with 128K for Mellum2-12B-A2.5B-Thinking.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Mellum2-12B-A2.5B-Thinking | Qwen 3.6 Max (preview) | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Mellum2-12B-A2.5B-ThinkingNot available | Qwen 3.6 Max (preview)Not available | A complete price comparison is not available. |
| Generation speedtokens per second | Mellum2-12B-A2.5B-ThinkingNot available | Qwen 3.6 Max (preview)Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Mellum2-12B-A2.5B-ThinkingNot available | Qwen 3.6 Max (preview)Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Mellum2-12B-A2.5B-Thinking128K | Qwen 3.6 Max (preview)256K | Qwen 3.6 Max (preview) lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding5 benchmarks
Reasoning2 benchmarks
KnowledgeQwen 3.6 Max (preview) wins10 benchmarks
| Benchmark | Mellum2-12B-A2.5B-Thinking | Qwen 3.6 Max (preview) | Result |
|---|---|---|---|
| MMLU-ReduxSource | 86.2% | — | Not comparable |
| GPQASource | 57.6% | — | Not comparable |
| GPQA-DSource | 57.6% | — | Not comparable |
| SuperGPQASource | — | 73.9% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 40.0% | Not comparable |
| AA-GPQA DiamondSource | — | 88.8% | Not comparable |
| AA-HLESource | — | 28.9% | Not comparable |
| AA-Omniscience IndexSource | — | 10.2% | Not comparable |
| AA-Omniscience AccuracySource | — | 37.7% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 44.2% | Not comparable |
Math2 benchmarks
Frequently Asked Questions (2)
Which is better, Mellum2-12B-A2.5B-Thinking or Qwen 3.6 Max (preview)?
Mellum2-12B-A2.5B-Thinking and Qwen 3.6 Max (preview) are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for knowledge tasks, Mellum2-12B-A2.5B-Thinking or Qwen 3.6 Max (preview)?
Qwen 3.6 Max (preview) has the edge for knowledge tasks in this comparison, averaging 73.9 versus 57.6. Mellum2-12B-A2.5B-Thinking stays close enough that the answer can still flip depending on your workload.
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