Data points: 83
The readout for GPT-5 and Qwen3.5-27B, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 3 to 0.
Evidence depth
83 data points
Includes 30 benchmark rows, 0 audit samples, and 0 provider examples.
Selection signal
Start with GPT-5
The charts below split 30 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare GPT-5 vs Qwen3.5-27Bgpt-5-vs-qwen3-5-27b | Model A GPT-5 | Model B Qwen3.5-27B |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 0 wins |
| Where it leads | Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-5
60
Avg. score
Qwen3.5-27B
65.6
Selected category
Instruction following
Qwen3.5-27B leads by 12.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5
winner72.0
Rank #21/96 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
59.0
Rank #41/96 · confidence 3 · eval date 2026-03-04
GPT-5
winner0.88 s
Rank #24/113 · confidence 4
Qwen3.5-27B
1.45 s
Rank #46/113 · confidence 4
GPT-5
winner0.88 s
Rank #32/113 · confidence 4
Qwen3.5-27B
1.45 s
Rank #72/113 · confidence 4
GPT-5
67.2 tok/s
Rank #70/113 · confidence 4
Qwen3.5-27B
winner91.2 tok/s
Rank #54/113 · confidence 4
GPT-5
$1.25/M
Rank #94/138 · confidence 4
Qwen3.5-27B
winner$0.300/M
Rank #41/138 · confidence 4
GPT-5
$3.44/M
Rank #101/138 · confidence 4
Qwen3.5-27B
winner$0.825/M
Rank #56/138 · confidence 4
GPT-5
$10.00/M
Rank #103/138 · confidence 4
Qwen3.5-27B
winner$2.40/M
Rank #63/138 · confidence 4
GPT-5
winner75.6
Rank #2/67 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
67.3
Rank #20/67 · confidence 3 · eval date 2026-03-04
GPT-5
winner71.7
Rank #13/65 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
39.2
Rank #48/65 · confidence 3 · eval date 2026-03-04
GPT-5
winner5.7
Rank #16/54 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
0.9
Rank #43/54 · confidence 3 · eval date 2026-03-04
GPT-5
80.6%
Rank #53/113 · confidence 4
Qwen3.5-27B
winner86.1%
Rank #17/113 · confidence 3 · eval date 2026-03-04
GPT-5
67.3%
Rank #95/152 · confidence 4
Qwen3.5-27B
winner84.2%
Rank #34/152 · confidence 4
GPT-5
5.4%
Rank #102/150 · confidence 4
Qwen3.5-27B
winner13.2%
Rank #59/150 · confidence 4
GPT-5
winner42.9
Rank #30/74 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
39.5
Rank #45/74 · confidence 3 · eval date 2026-03-04
GPT-5
64.3
Rank #42/83 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
winner71.2
Rank #30/83 · confidence 3 · eval date 2026-03-04
GPT-5
32.6
Rank #37/69 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
32.6
Rank #37/69 · confidence 3 · eval date 2026-03-04
GPT-5
winner38.8%
Rank #65/149 · confidence 4
Qwen3.5-27B
36.7%
Rank #75/149 · confidence 4
GPT-5
winner40.7
Rank #12/68 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
21.0
Rank #54/68 · confidence 3 · eval date 2026-03-04
GPT-5
winner75.3
Rank #17/79 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
70.8
Rank #24/79 · confidence 3 · eval date 2026-03-04
GPT-5
winner26.5
Rank #23/74 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
22.2
Rank #33/74 · confidence 3 · eval date 2026-03-04
GPT-5
winner82.1
Rank #24/68 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
79.7
Rank #30/68 · confidence 3 · eval date 2026-03-04
GPT-5
85.4
Rank #30/74 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
winner85.8
Rank #28/74 · confidence 3 · eval date 2026-03-04
GPT-5
winner34.7
Rank #32/77 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
33.8
Rank #35/77 · confidence 3 · eval date 2026-03-04
GPT-5
winner78.4
Rank #13/59 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
70.6
Rank #19/59 · confidence 3 · eval date 2026-03-04
GPT-5
winner89.2
Rank #4/70 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
62.9
Rank #33/70 · confidence 3 · eval date 2026-03-04
GPT-5
74.2
Rank #20/41 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
winner75.0
Rank #15/41 · confidence 3 · eval date 2026-03-04
GPT-5
75.5
Rank #25/66 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
winner81.3
Rank #13/66 · confidence 3 · eval date 2026-03-04
GPT-5
73.1
Rank #22/70 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
winner75.6
Rank #14/70 · confidence 3 · eval date 2026-03-04
GPT-5
winner75.2
Rank #16/81 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
43.9
Rank #53/81 · confidence 3 · eval date 2026-03-04
GPT-5
84.8
Rank #31/68 · confidence 1 · eval date 2025-08-07
Qwen3.5-27B
winner93.9
Rank #20/68 · confidence 3 · eval date 2026-03-04
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5 | Qwen3.5-27B |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5 | Qwen3.5-27B |
|---|---|---|
| No shared provider examples are available yet. | ||
This report only uses LMSpeed data for GPT-5 and Qwen3.5-27B: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5 | Qwen3.5-27B |
|---|---|---|
| When to choose each model | GPT-5 GPT-5 is stronger when you prioritize Free providers, Provider coverage, Recent tests. | Qwen3.5-27B Qwen3.5-27B does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5 leads across 83 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5 vs Qwen3.5-27B into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5 exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. | Qwen3.5-27B exposes 262.1K tokens; notable signals: Text input, Image input, Text output, Tool calling. |
|---|---|---|
| Developer | OpenAI | Qwen |
| Context window | 400K tokens | 262.1K tokens |
| Max output | 128K tokens | 65.5K tokens |
| Released | Aug 2025 | No data |
| Modalities | Input TextImageFile Output Text | Input TextImagevideo Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | 27B |
| Tokenizer | GPT | Qwen3 |
| Knowledge cutoff | 2024-09-30 | No data |
| OpenRouter ID | openai/gpt-5 | qwen/qwen3.5-27b |
| References | No data | No data |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
