Model comparison
Qwen3.5 Plus vs Trinity Large Thinking
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 38.6 on the Noometry Index. Trinity Large Thinking costs 2.3× less per token, which makes it the better buy when Qwen3.5 Plus's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Alibaba (Qwen)
Arcee AISummary
- They share 1 benchmark with published results for both. Qwen3.5 Plus scores higher in 4 categories and Trinity Large Thinking in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 16.9.
- Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $0.40 / $2.40 for Qwen3.5 Plus.
- Qwen3.5 Plus accepts more context: 1M tokens versus 262K.
- Trinity Large Thinking has downloadable open weights; the other is API-only.
Side by side
| Qwen3.5 Plus | Trinity Large Thinking | |
|---|---|---|
| Provider | Alibaba (Qwen) | Arcee AI |
| Noometry Index | 42.9 | 38.6 |
| Released | 2026-02-16 | 2026-04-01 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 66K | 80K |
| Input $ / M tokens | $0.40 | $0.25 |
| Output $ / M tokens | $2.40 | $0.80 |
| Results tracked | 15 | 24 |
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Category by category
Coding Not comparable
Qwen3.5 Plus: —, Trinity Large Thinking: 34.1 (#244)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| LMArena WebDev | — | 1238 |
| SciCode | — | 36.1% |
| LMArena Coding | — | 1381 |
| ALE-Bench | 621.92 | — |
Agentic & Tool Use Not comparable
Qwen3.5 Plus: —, Trinity Large Thinking: —
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| Vending-Bench 2 | 0.54 | — |
Reasoning Qwen3.5 Plus leads
Qwen3.5 Plus: 32.8 (#74), Trinity Large Thinking: 16.9 (#298)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| NYT Connections (extended) | — | 16.5% |
| CritPt | — | 0.9% |
| Chess Puzzles | 22% | — |
| Thematic Generalization | — | 41.6% |
| LMArena Hard Prompts | — | 1350 |
| Mystery Game Puzzles | 17% | — |
| DTBench | 80.5% | — |
| LMCA | 36.4% | — |
| Surface Evolver Bench | — | 15.6% |
| Epoch Capabilities Index | 146.78 | — |
Math Qwen3.5 Plus leads
Qwen3.5 Plus: 49.6 (#61), Trinity Large Thinking: 37.6 (#149)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| LMArena Math | — | 1366 |
| FrontierMath (Feb 2025 set) | 21% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Qwen3.5 Plus leads
Qwen3.5 Plus: 46.0 (#83), Trinity Large Thinking: 40.9 (#113)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| Vectara Hallucination Rate | 10.7% | 6.9% |
| GPQA Diamond | 84.8% | — |
| SimpleQA Verified | 25.4% | — |
| LMArena Expert | — | 1360 |
Multilingual Not comparable
Qwen3.5 Plus: —, Trinity Large Thinking: 46.2 (#160)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| LMArena Non-English | — | 1325 |
| LMArena Chinese | — | 1373 |
| LMArena French | — | 1374 |
| LMArena German | — | 1356 |
| LMArena Japanese | — | 1311 |
| LMArena Korean | — | 1306 |
| LMArena Russian | — | 1337 |
| LMArena Spanish | — | 1357 |
Instruction Following Not comparable
Qwen3.5 Plus: —, Trinity Large Thinking: 70.5 (#162)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| LMArena Instruction Following | — | 1334 |
Long Context Qwen3.5 Plus leads
Qwen3.5 Plus: 43.0 (#113), Trinity Large Thinking: 41.3 (#144)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| CL-bench | 19.8% | — |
| CL-bench Life | 12.4% | — |
| LMArena Longer Query | — | 1355 |
Writing & Preference Not comparable
Qwen3.5 Plus: —, Trinity Large Thinking: 53.8 (#158)
| Benchmark | Qwen3.5 Plus | Trinity Large Thinking |
|---|---|---|
| LMArena Text | — | 1340 |
| LMArena Creative Writing | — | 1320 |
| LMArena Multi-Turn | — | 1342 |
Frequently asked questions
Is Qwen3.5 Plus better than Trinity Large Thinking?
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 38.6 on the Noometry Index. Trinity Large Thinking costs 2.3× less per token, which makes it the better buy when Qwen3.5 Plus's lead doesn't matter for your workload.
Which is cheaper, Qwen3.5 Plus or Trinity Large Thinking?
Trinity Large Thinking is cheaper. It lists at $0.25 per million input tokens and $0.80 per million output tokens; Qwen3.5 Plus lists at $0.40 and $2.40.
Which has the bigger context window?
Qwen3.5 Plus does, with 1M tokens against 262K.
How many benchmarks do Qwen3.5 Plus and Trinity Large Thinking share?
1 benchmark has published results for both models. Qwen3.5 Plus has 15 scored results on Noometry and Trinity Large Thinking has 24.