Data points: 65
Model compare
The readout for GPT-5.4 and Qwen3 Coder Plus, before the detailed comparison sheet.
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.4
GPT-5.4 has the higher weighted result; Model A / B score 80 to 20.
Evidence depth
65 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 6 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.
This report only uses LMSpeed data for GPT-5.4 and Qwen3 Coder Plus: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 | Qwen3 Coder Plus |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 80.0 pts | 20.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price, Average speed, Free providers, Provider coverage | First-token latency |
| Context window | 1.1M tokens | 1M tokens |
| Max output | 128K tokens | 65.5K tokens |
| Modalities | Input TextImageFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GPT-5.4 | Qwen3 Coder Plus |
|---|---|---|
| Developer | OpenAI | Qwen |
| Released | Mar 2026 | Sep 2025 |
| Parameters | No data | No data |
| Tokenizer | GPT | Qwen3 |
| Knowledge cutoff | No data | 2025-06-30 |
| OpenRouter ID | openai/gpt-5.4 | qwen/qwen3-coder-plus |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 and Qwen3 Coder Plus: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4
GPT-5.4 has these operational advantages: Cheapest input price, Average speed, Free providers, Provider coverage.
Qwen3 Coder Plus
Qwen3 Coder Plus has these operational advantages: First-token latency.
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
57.8
Avg. score
Qwen3 Coder Plus
-
GPT-5.4
GPT-5.4
GPT-5.4
GPT-5.4
GPT-5.4
No data
GPT-5.4
GPT-5.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | Qwen3 Coder Plus |
|---|---|---|
| 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 Coder Plus |
|---|---|---|
50 tests | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data | Qwen3 Coder Plus speed / latency N/A / N/A input / output No data |
15 tests | GPT-5.4 speed / latency 41 tok/s / 6581ms input / output No data | Qwen3 Coder Plus speed / latency N/A / N/A input / output No data |
10 tests | GPT-5.4 speed / latency 88 tok/s / 6075ms input / output No data | Qwen3 Coder Plus speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.4 speed / latency 50 tok/s / 5476ms input / output No data | Qwen3 Coder Plus speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.4 speed / latency 53 tok/s / 5106ms input / output No data | Qwen3 Coder Plus speed / latency N/A / N/A input / output No data |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0/request | Qwen3 Coder Plus qwen3-coder-plus-2025-07-22 speed / latency No data input / output $0/request |
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
|---|
