Model comparison
Qwen3.5 397B (Reasoning) vs Qwen3.6-27B
Head-to-head evidence from 16 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Qwen3.5 397B (Reasoning) #56 (Estimated); Qwen3.6-27B #93 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Qwen3.5 397B (Reasoning) and Qwen3.6-27B share 16 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to Qwen3.5 397B (Reasoning); 38 to Qwen3.6-27B.
Updated July 21, 2026- Shared results
- 16
- Qwen3.5 397B (Reasoning) only
- 1
- Qwen3.6-27B only
- 38
- Comparable categories
- 0 / 8
Benchmark data for Qwen3.5 397B (Reasoning) and Qwen3.6-27B is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 16 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Qwen3.5 397B (Reasoning) is priced at $0.60 input / $3.60 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Qwen3.6-27B. Qwen3.6-27B has the larger context window at 262K, compared with 128K for Qwen3.5 397B (Reasoning).
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 (Reasoning) | Δ | Qwen3.6-27B |
|---|---|---|---|
| Agentic | Qwen3.5 397B (Reasoning)Not measured | MarginNo overlap | Qwen3.6-27B59.3 |
| Coding | Qwen3.5 397B (Reasoning)Not measured | MarginNo overlap | Qwen3.6-27B77.5 |
| Knowledge | Qwen3.5 397B (Reasoning)Not measured | MarginNo overlap | Qwen3.6-27B53.3 |
| Math | Qwen3.5 397B (Reasoning)Not measured | MarginNo overlap | Qwen3.6-27B89.2 |
| Multimodal | Qwen3.5 397B (Reasoning)Not measured | MarginNo overlap | Qwen3.6-27B76.7 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Qwen3.5 397B (Reasoning) | Qwen3.6-27B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Qwen3.5 397B (Reasoning)$0.6 input / $3.6 output | Qwen3.6-27B$0 input / $0 output | Qwen3.6-27B has the lower combined listed price. |
| Generation speedtokens per second | Qwen3.5 397B (Reasoning)Not available | Qwen3.6-27BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Qwen3.5 397B (Reasoning)Not available | Qwen3.6-27BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Qwen3.5 397B (Reasoning)128K | Qwen3.6-27B262K | Qwen3.6-27B lists the larger context window. |
Benchmark Deep Dive
Agentic11 benchmarks
| Benchmark | Qwen3.5 397B (Reasoning) | Qwen3.6-27B | Result |
|---|---|---|---|
| AA Agentic IndexSource | 19.9% | 27.0% | Qwen3.6-27B leads |
| APEX-Agents-AASource | 15.3% | — | Not comparable |
| τ²-bench resultsSource | 95.6% | 94.2% | Qwen3.5 397B (Reasoning) leads |
| GDPval-AASource | 23.1% | 32.0% | Qwen3.6-27B leads |
| GDPval-AASource | 962 | 1140 | Qwen3.6-27B leads |
| Terminal-Bench 2.0Source | — | 59.3% | Not comparable |
| Claw-EvalSource | — | 72.4% | Not comparable |
| QwenClawBenchSource | — | 53.4% | Not comparable |
| QwenWebBenchSource | — | 1487 | Not comparable |
| AndroidWorldSource | — | 70.3% | Not comparable |
| Gert LabsSource | — | 54.84% | Not comparable |
Coding8 benchmarks
| Benchmark | Qwen3.5 397B (Reasoning) | Qwen3.6-27B | Result |
|---|---|---|---|
| AA Coding IndexSource | 48.2% | 53.7% | Qwen3.6-27B leads |
| AA-SciCodeSource | 42.0% | 39.8% | Qwen3.5 397B (Reasoning) leads |
| SWE-bench VerifiedSource | — | 77.2% | Not comparable |
| SWE MultilingualSource | — | 71.3% | Not comparable |
| SWE-bench ProSource | — | 53.5% | Not comparable |
| Terminal-Bench 2.0Source | — | 59.3% | Not comparable |
| LiveCodeBenchSource | — | 83.9% | Not comparable |
| NL2RepoSource | — | 36.2% | Not comparable |
Reasoning2 benchmarks
Knowledge12 benchmarks
| Benchmark | Qwen3.5 397B (Reasoning) | Qwen3.6-27B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 33.7% | 37.0% | Qwen3.6-27B leads |
| AA-GPQA DiamondSource | 89.3% | 84.2% | Qwen3.5 397B (Reasoning) leads |
| AA-HLESource | 27.3% | 21.6% | Qwen3.5 397B (Reasoning) leads |
| AA-Omniscience IndexSource | -29.8% | -19.8% | Qwen3.6-27B leads |
| AA-Omniscience AccuracySource | 31.4% | 19.2% | Qwen3.5 397B (Reasoning) leads |
| AA-Omniscience Hallucination RateSource | 89.1% | 48.3% | Qwen3.6-27B leads |
| MMLU-ProSource | — | 86.2% | Not comparable |
| MMLU-ReduxSource | — | 93.5% | Not comparable |
| SuperGPQASource | — | 66% | Not comparable |
| C-EvalSource | — | 91.4% | Not comparable |
| GPQASource | — | 87.8% | Not comparable |
| HLESource | — | 24% | Not comparable |
Math5 benchmarks
Multimodal16 benchmarks
| Benchmark | Qwen3.5 397B (Reasoning) | Qwen3.6-27B | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 77.3% | 74.6% | Qwen3.5 397B (Reasoning) leads |
| MMMUSource | — | 82.9% | Not comparable |
| MMMU-ProSource | — | 75.8% | Not comparable |
| RealWorldQASource | — | 84.1% | Not comparable |
| DynaMathSource | — | 85.6% | Not comparable |
| MStarSource | — | 81.4% | Not comparable |
| SimpleVQASource | — | 56.1% | Not comparable |
| CharXivSource | — | 78.4% | Not comparable |
| CC-OCRSource | — | 81.2% | Not comparable |
| CountBenchSource | — | 97.8% | Not comparable |
| RefCOCO (avg)Source | — | 92.5% | Not comparable |
| ERQASource | — | 62.5% | Not comparable |
| Video-MME (with subtitle)Source | — | 87.7% | Not comparable |
| VideoMMMUSource | — | 84.4% | Not comparable |
| MLVU (M-Avg)Source | — | 86.6% | Not comparable |
| V*Source | — | 94.7% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Qwen3.5 397B (Reasoning) | Qwen3.6-27B | Result |
|---|---|---|---|
| AA-IFBenchSource | 78.8% | 67.6% | Qwen3.5 397B (Reasoning) leads |
Frequently Asked Questions (3)
Can I compare Qwen3.5 397B (Reasoning) and Qwen3.6-27B on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Qwen3.5 397B (Reasoning) and Qwen3.6-27B today?
Qwen3.5 397B (Reasoning): $0.60 input / $3.60 output per 1M tokens Qwen3.6-27B: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Self-host vs API cost
Estimates at 50,000 req/day · 1000 tokens/req average.
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