Model comparison
Qwen3.5 397B vs Soofi S 30B-A3B
Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use BenchLM's provisional ranking lane.
Verified leaderboard positions: Qwen3.5 397B #19; Soofi S 30B-A3B unranked
Evidence parity. Qwen3.5 397B and Soofi S 30B-A3B share 2 comparable benchmark results. 1 of 8 categories are comparable. 54 results are unique to Qwen3.5 397B; 6 to Soofi S 30B-A3B.
Updated July 15, 2026- Shared results
- 2
- Qwen3.5 397B only
- 54
- Soofi S 30B-A3B only
- 6
- Comparable categories
- 1 / 8
Pick Qwen3.5 397B if you want the stronger benchmark profile. Soofi S 30B-A3B only becomes the better choice if you want the cheaper token bill or you need the larger 1M context window.
Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Qwen3.5 397B is clearly ahead on the provisional aggregate, 60 to 45. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Qwen3.5 397B's sharpest advantage is in knowledge, where it averages 56.9 against 49.9. The single biggest benchmark swing on the page is GPQA, 88.4% to 43.4%.
Qwen3.5 397B is also the more expensive model on tokens at $0.60 input / $3.60 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Soofi S 30B-A3B. That is roughly Infinityx on output cost alone. Soofi S 30B-A3B gives you the larger context window at 1M, compared with 128K for Qwen3.5 397B.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Qwen3.5 397B | Δ | Soofi S 30B-A3B |
|---|---|---|---|
| Knowledge | Qwen3.5 397B56.9 | Margin← 7.0 | Soofi S 30B-A3B49.9 |
| Agentic | Qwen3.5 397B56.5 | MarginNo overlap | Soofi S 30B-A3BNot measured |
| Coding | Qwen3.5 397B60.3 | MarginNo overlap | Soofi S 30B-A3BNot measured |
| Reasoning | Qwen3.5 397B63.2 | MarginNo overlap | Soofi S 30B-A3BNot measured |
| Math | Qwen3.5 397B90.6 | MarginNo overlap | Soofi S 30B-A3BNot measured |
| Multilingual | Qwen3.5 397B84.7 | MarginNo overlap | Soofi S 30B-A3BNot measured |
| Multimodal | Qwen3.5 397B79.6 | MarginNo overlap | Soofi S 30B-A3BNot measured |
| Inst. Following | Qwen3.5 397B92.6 | MarginNo overlap | Soofi S 30B-A3BNot measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
GPQA
KnowledgeA 88.4%B 43.4%Winner: Qwen3.5 397BΔ 45GPQA: Qwen3.5 397B scored 88.4%; Soofi S 30B-A3B scored 43.4%. Qwen3.5 397B wins this benchmark. - Source ↗
MMLU-Pro
KnowledgeA 87.8%B 51.4%Winner: Qwen3.5 397BΔ 36.4MMLU-Pro: Qwen3.5 397B scored 87.8%; Soofi S 30B-A3B scored 51.4%. Qwen3.5 397B wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Qwen3.5 397B | Soofi S 30B-A3B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Qwen3.5 397B$0.6 input / $3.6 output | Soofi S 30B-A3B$0 input / $0 output | Soofi S 30B-A3B has the lower combined listed price. |
| Generation speedtokens per second | Qwen3.5 397B96 tok/s | Soofi S 30B-A3BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Qwen3.5 397B2.44 s | Soofi S 30B-A3BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Qwen3.5 397B128K | Soofi S 30B-A3B1M | Soofi S 30B-A3B lists the larger context window. |
Benchmark Deep Dive
Agentic18 benchmarks
| Benchmark | Qwen3.5 397B | Soofi S 30B-A3B | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 52.5% | — | Not comparable |
| BrowseCompSource | 62% | — | Not comparable |
| Claw-EvalSource | 56.8% | — | Not comparable |
| QwenClawBenchSource | 51.8% | — | Not comparable |
| τ³-bench resultsSource | 68.4% | — | Not comparable |
| VITA-BenchSource | 43.7% | — | Not comparable |
| DeepPlanningSource | 37.6% | — | Not comparable |
| ToolathlonSource | 36.3% | — | Not comparable |
| MCP AtlasSource | 46.1% | — | Not comparable |
| MCP-TasksSource | 74.2% | — | Not comparable |
| WideResearchSource | 74.0% | — | Not comparable |
| τ²-bench resultsSource | 95.6% | — | Not comparable |
| Gert LabsSource | 46.76% | — | Not comparable |
| ResearchClawBenchSource | 14.2% | — | Not comparable |
| AA Agentic IndexSource | 19.9% | — | Not comparable |
| APEX-Agents-AASource | 15.3% | — | Not comparable |
| GDPval-AASource | 23.1% | — | Not comparable |
| GDPval-AASource | 962 | — | Not comparable |
Coding7 benchmarks
| Benchmark | Qwen3.5 397B | Soofi S 30B-A3B | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 76.2% | — | Not comparable |
| LiveCodeBench v6Source | 83.6% | — | Not comparable |
| SWE-bench ProSource | 50.9% | — | Not comparable |
| Terminal-Bench HardSource | 40.9% | — | Not comparable |
| AA-SciCodeSource | 42.0% | — | Not comparable |
| AA Coding IndexSource | 48.2% | — | Not comparable |
| HumanEvalSource | — | 73.8% | Not comparable |
Reasoning6 benchmarks
KnowledgeQwen3.5 397B wins14 benchmarks
| Benchmark | Qwen3.5 397B | Soofi S 30B-A3B | Result |
|---|---|---|---|
| GPQASource | 88.4% | 43.4% | Qwen3.5 397B leads |
| SuperGPQASource | 70.4% | — | Not comparable |
| MMLU-ProSource | 87.8% | 51.4% | Qwen3.5 397B leads |
| MMLU-ReduxSource | 94.9% | — | Not comparable |
| C-EvalSource | 93% | — | Not comparable |
| HLESource | 28.7% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 33.7% | — | Not comparable |
| AA-GPQA DiamondSource | 89.3% | — | Not comparable |
| AA-HLESource | 27.3% | — | Not comparable |
| AA-Omniscience IndexSource | -29.8% | — | Not comparable |
| AA-Omniscience AccuracySource | 31.4% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 89.1% | — | Not comparable |
| GPQA-DSource | — | 43.4% | Not comparable |
| AGIEvalSource | — | 66.9% | Not comparable |
Math6 benchmarks
Multilingual2 benchmarks
Multimodal7 benchmarks
Frequently Asked Questions (2)
Which is better, Qwen3.5 397B or Soofi S 30B-A3B?
Qwen3.5 397B is ahead on BenchLM's provisional leaderboard, 60 to 45. The biggest single separator in this matchup is GPQA, where the scores are 88.4% and 43.4%.
Which is better for knowledge tasks, Qwen3.5 397B or Soofi S 30B-A3B?
Qwen3.5 397B has the edge for knowledge tasks in this comparison, averaging 56.9 versus 49.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Related Comparisons
Explore More
The AI models change fast. We track them for you.
A weekly brief for engineers and researchers covering new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.