Data points: 39
The readout for GPT-5.4 and Qwen3.5 397B A17B, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 3 to 0.
Evidence depth
39 data points
Includes 9 benchmark rows, 0 audit samples, and 0 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 9 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-5.4 vs Qwen3.5 397B A17Bgpt-5-4-vs-qwen3-5-397b-a17b | Model A GPT-5.4 | Model B Qwen3.5 397B A17B |
|---|---|---|
| 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-5.4
63.6
Avg. score
Qwen3.5 397B A17B
46.8
Selected category
Coding
GPT-5.4 leads by 25.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.4
winner0.69 s
Rank #19/113 · confidence 4
Qwen3.5 397B A17B
1.72 s
Rank #48/113 · confidence 4
GPT-5.4
winner0.69 s
Rank #24/113 · confidence 4
Qwen3.5 397B A17B
1.72 s
Rank #77/113 · confidence 4
GPT-5.4
winner106.7 tok/s
Rank #47/113 · confidence 4
Qwen3.5 397B A17B
48.9 tok/s
Rank #92/113 · confidence 4
GPT-5.4
$2.50/M
Rank #114/138 · confidence 4
Qwen3.5 397B A17B
winner$0.600/M
Rank #68/138 · confidence 4
GPT-5.4
$5.63/M
Rank #116/138 · confidence 4
Qwen3.5 397B A17B
winner$1.35/M
Rank #78/138 · confidence 4
GPT-5.4
$15.00/M
Rank #116/138 · confidence 4
Qwen3.5 397B A17B
winner$3.60/M
Rank #79/138 · confidence 4
GPT-5.4
74.8%
Rank #75/152 · confidence 4
Qwen3.5 397B A17B
winner86.1%
Rank #26/152 · confidence 4
GPT-5.4
10.6%
Rank #68/150 · confidence 4
Qwen3.5 397B A17B
winner18.8%
Rank #45/150 · confidence 4
GPT-5.4
winner47.1%
Rank #13/149 · confidence 4
Qwen3.5 397B A17B
41.1%
Rank #41/149 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | Qwen3.5 397B A17B |
|---|---|---|
| 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-5.4 | Qwen3.5 397B A17B |
|---|---|---|
| No shared provider examples are available yet. | ||
This report only uses LMSpeed data for GPT-5.4 and Qwen3.5 397B A17B: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | Qwen3.5 397B A17B |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Free providers, Provider coverage, Recent tests. | Qwen3.5 397B A17B Qwen3.5 397B A17B does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5.4 leads across 39 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs Qwen3.5 397B A17B into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. | Qwen3.5 397B A17B exposes 256K tokens; notable signals: Text input, Image input, Text output, Tool calling. |
|---|---|---|
| Developer | OpenAI | Qwen |
| Context window | 1.1M tokens | 256K tokens |
| Max output | 128K tokens | No data |
| Released | Mar 2026 | 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 | 397B / 17B active |
| Tokenizer | GPT | Qwen3 |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | qwen/qwen3.5-397b-a17b |
| References | No data | No data |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
