Data points: 71
Model compare
The readout for GPT-5.4 and GPT Image 2, 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 100 to 0.
Evidence depth
71 data points
Includes 0 benchmark rows, 2 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 10 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 GPT Image 2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 | GPT Image 2 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 100.0 pts | 0.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | No data |
| Context window | 1.1M tokens | 400K tokens |
| Max output | 128K tokens | No data |
| 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 | GPT Image 2 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Mar 2026 | Jun 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | openai/gpt-image-2 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 and GPT Image 2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4
GPT-5.4 has these operational advantages: Cheapest input price, Free providers, Provider coverage.
GPT Image 2
GPT Image 2 does not clearly lead in the benchmark or operational dimensions shared by both models.
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
GPT Image 2
-
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 | GPT Image 2 |
|---|---|---|
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 100 100100100100 | GPT Image 2 gpt-image-2 No audit yet |
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 83 727980100 | GPT Image 2 gpt-image-2-4k 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 | GPT Image 2 |
|---|---|---|
50 tests | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
25 tests | GPT-5.4 speed / latency 58 tok/s / 4453ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
15 tests | GPT-5.4 speed / latency 24 tok/s / 2652ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
10 tests | GPT-5.4 speed / latency 51 tok/s / 2526ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
10 tests | GPT-5.4 speed / latency 51 tok/s / 1443ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
GPT-5.4 gpt-5.4-2026-03-05 speed / latency No data input / output $0/M/$0/M | GPT Image 2 gpt-image-2 speed / latency No data input / output $0.730/request | |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0/M/$0/M | GPT Image 2 gpt-image-2 speed / latency No data input / output $0/M | |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0/request | GPT Image 2 gpt-image-2 speed / latency No data input / output $0.490/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 inputImage inputImage outputStructured outputsJSON mode |
|---|
