Data points: 71
The readout for GPT-5.4 and Qwen3.5 Omni Plus, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 5 to 1.
Evidence depth
71 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.4 vs Qwen3.5 Omni Plusgpt-5-4-vs-qwen3-5-omni-plus | Model A GPT-5.4 | Model B Qwen3.5 Omni Plus |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.4 | Qwen3.5 Omni Plus |
|---|---|---|
| GPQA | 92.0%#3 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | Qwen3.5 Omni 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 | Qwen3.5 Omni Plus |
|---|---|---|
10 tests | GPT-5.4 speed / latency 88 tok/s / 6075ms input / output No data |
This report only uses LMSpeed data for GPT-5.4 and Qwen3.5 Omni Plus: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | Qwen3.5 Omni Plus |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. | Qwen3.5 Omni Plus Qwen3.5 Omni Plus is stronger when you prioritize First-token latency. |
TL;DR: GPT-5.4 leads across 71 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs Qwen3.5 Omni Plus into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | OpenAI | No data |
| Context window | 1.1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Mar 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | No data |
| References | No data | No data |
| SciCode | 56.6%#3 | 40.5%#43 |
|---|
| HLE | 41.6%#4 | 13.9%#56 |
|---|
| Input price | $2.50/M#36 | $0.400/M#16 |
|---|
| Time to first answer token | 197.76 s#110 | 1.23 s#30 |
|---|
| Output price | $15.00/M#43 | $4.80/M#35 |
|---|
| Blended price | $5.63/M#62 | $1.50/M#46 |
|---|
| Time to first token | 197.76 s#110 | 1.23 s#49 |
|---|
Qwen3.5 Omni Plus
speed / latency
N/A / N/A
input / output
No data
Chlink API5 tests | GPT-5.4 speed / latency 50 tok/s / 5476ms input / output No data | Qwen3.5 Omni Plus speed / latency N/A / N/A input / output No data |
|---|
小水管 API5 tests | GPT-5.4 gpt-5.4 speed / latency 44 tok/s / 2518ms input / output $0/M / $0/M | Qwen3.5 Omni Plus qwen3.5-omni-plus speed / latency N/A / N/A input / output $0/M / $0/M |
|---|
42公益站0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Qwen3.5 Omni Plus 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 | Qwen3.5 Omni Plus speed / latency N/A / N/A input / output No data |
|---|
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.400/M / $2.40/M | Qwen3.5 Omni Plus qwen3.5-omni-plus-2026-03-15 speed / latency No data input / output $0.050/M / $0.050/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.685/M / $4.11/M | Qwen3.5 Omni Plus qwen3.5-omni-plus speed / latency No data input / output $0.099/M / $1.17/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $1.00/M / $1.00/M | Qwen3.5 Omni Plus qwen3.5-omni-plus speed / latency No data input / output $1.00/M / $1.00/M |
GPT-5.4 Notion/gpt-5.4 speed / latency No data input / output $1.00/M / $1.00/M | Qwen3.5 Omni Plus qwen3.5-omni-plus-2026-03-15 speed / latency No data input / output $75.00/M / $75.00/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
