Data points: 67
Model compare
The readout for GPT-5.4 and Qwen3.8 Max, 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 66.7 to 33.3.
Evidence depth
67 data points
Includes 0 benchmark rows, 1 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 8 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 Qwen3.8 Max: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 | Qwen3.8 Max |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 66.7 pts | 33.3 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Free providers, Provider coverage | Cheapest input price |
| Context window | 1.1M tokens | 1M tokens |
| Max output | 128K tokens | 131.1K tokens |
| 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 |
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 | Qwen3.8 Max |
|---|---|---|
| Developer | OpenAI | Qwen |
| Released | Mar 2026 | Aug 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | Qwen |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | qwen/qwen3.8-max |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 and Qwen3.8 Max: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4
GPT-5.4 has these operational advantages: Free providers, Provider coverage.
Qwen3.8 Max
Qwen3.8 Max has these operational advantages: Cheapest input price.
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
57.6
Avg. score
Qwen3.8 Max
-
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 | Qwen3.8 Max |
|---|---|---|
钠 APIWinner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 90 1008476100 | Qwen3.8 Max qwen3.8-max-preview No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.4 | Qwen3.8 Max |
|---|---|---|
331112 AI5 tests | GPT-5.4 speed / latency 86 tok/s / 6122ms input / output No data | Qwen3.8 Max speed / latency N/A / N/A input / output No data |
小水管 API5 tests | GPT-5.4 speed / latency 44 tok/s / 2518ms input / output No data | Qwen3.8 Max speed / latency N/A / N/A input / output No data |
91VIP0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Qwen3.8 Max speed / latency N/A / N/A input / output No data |
CaMeL AI0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Qwen3.8 Max speed / latency N/A / N/A input / output No data |
DeadlySignal API0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Qwen3.8 Max speed / latency N/A / N/A input / output No data |
GPT-5.4 gpt-5.4 speed / latency No data input / output $2.50/M/$15.00/M | Qwen3.8 Max qwen3.8-max speed / latency No data input / output $0.0001/request | |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.068/M/$0.411/M | Qwen3.8 Max qwen3.8-max-preview speed / latency No data input / output $0.010/request |
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.