Model comparison
Qwen3.5 35B-A3B vs Sonar
Qwen3.5 35B-A3B is the stronger model overall, scoring 42.0 to 38.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Qwen3.5 35B-A3B leads 39.9 to 33.7.
- Qwen3.5 35B-A3B is cheaper at $0.25 / $2 per million input/output tokens, against $1 / $1 for Sonar.
- Qwen3.5 35B-A3B accepts more context: 262K tokens versus 128K.
- Qwen3.5 35B-A3B has downloadable open weights; the other is API-only.
Side by side
| Qwen3.5 35B-A3B | Sonar | |
|---|---|---|
| Provider | Alibaba (Qwen) | Perplexity |
| Noometry Index | 42.0 | 38.5 |
| Released | 2026-02-01 | 2024-01-01 |
| Weights | Open | Proprietary |
| Context window | 262K | 128K |
| Max output | 66K | 4K |
| Input $ / M tokens | $0.25 | $1 |
| Output $ / M tokens | $2 | $1 |
| Results tracked | 28 | 7 |
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Category by category
Coding Sonar leads
Qwen3.5 35B-A3B: 33.8 (#251), Sonar: 35.7 (#221)
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| LMArena WebDev | 1254 | — |
| SciCode | 29.3% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1410 | — |
Reasoning Qwen3.5 35B-A3B leads
Qwen3.5 35B-A3B: 24.6 (#161), Sonar: 21.1 (#227)
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| CritPt | 0.6% | — |
| Chess Puzzles | 10% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1400 | — |
| DTBench | 80% | — |
| LiveBench Data Analysis | — | 37.9% |
| LMCA | 29.5% | — |
| Epoch Capabilities Index | 142.52 | — |
| LiveBench | — | 46.9% |
Math Qwen3.5 35B-A3B leads
Qwen3.5 35B-A3B: 39.9 (#97), Sonar: 33.7 (#200)
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| MathArena Final-Answer Competitions | 56% | — |
| OTIS Mock AIME 2024-2025 | 70% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1404 | — |
Knowledge Not comparable
Qwen3.5 35B-A3B: 47.8 (#79), Sonar: —
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| GPQA Diamond | 83.5% | — |
| Vectara Hallucination Rate | 10.5% | — |
| LMArena Expert | 1408 | — |
Multilingual Not comparable
Qwen3.5 35B-A3B: 50.0 (#127), Sonar: —
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| LMArena Non-English | 1378 | — |
| LMArena Chinese | 1457 | — |
| LMArena French | 1412 | — |
| LMArena German | 1367 | — |
| LMArena Japanese | 1325 | — |
| LMArena Korean | 1356 | — |
| LMArena Russian | 1376 | — |
| LMArena Spanish | 1392 | — |
Instruction Following Qwen3.5 35B-A3B leads
Qwen3.5 35B-A3B: 72.8 (#128), Sonar: 71.4 (#150)
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1379 | — |
Long Context Not comparable
Qwen3.5 35B-A3B: 42.4 (#127), Sonar: —
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| LMArena Longer Query | 1389 | — |
Writing & Preference Qwen3.5 35B-A3B leads
Qwen3.5 35B-A3B: 57.9 (#124), Sonar: 52.6 (#167)
| Benchmark | Qwen3.5 35B-A3B | Sonar |
|---|---|---|
| LMArena Text | 1395 | — |
| LMArena Creative Writing | 1346 | — |
| LMArena Multi-Turn | 1390 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is Qwen3.5 35B-A3B better than Sonar?
Qwen3.5 35B-A3B is the stronger model overall, scoring 42.0 to 38.5 on the Noometry Index.
Which is cheaper, Qwen3.5 35B-A3B or Sonar?
Qwen3.5 35B-A3B is cheaper. It lists at $0.25 per million input tokens and $2 per million output tokens; Sonar lists at $1 and $1.
Is Qwen3.5 35B-A3B or Sonar better for coding?
Sonar scores higher on coding benchmarks: 35.7 versus 33.8 in the Noometry coding category.
Which has the bigger context window?
Qwen3.5 35B-A3B does, with 262K tokens against 128K.
How many benchmarks do Qwen3.5 35B-A3B and Sonar share?
0 benchmarks have published results for both models. Qwen3.5 35B-A3B has 28 scored results on Noometry and Sonar has 7.