Data points: 181
Model compare
The readout for GPT-5.4 and GPT-5.4 Mini, 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 92 to 8.
Evidence depth
181 data points
Includes 38 benchmark rows, 6 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 52 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-5.4 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 92.0 pts | 8.0 pts |
| Benchmark category leads | 7 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | Average speed, First-token latency |
| Context window | 1.1M tokens | 400K tokens |
| Max output | 128K tokens | 128K 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 | GPT-5.4 Mini |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Mar 2026 | Mar 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | No data | 2025-08-31 |
| OpenRouter ID | openai/gpt-5.4 | openai/gpt-5.4-mini |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 and GPT-5.4 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4
GPT-5.4 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Math) and operational dimensions (Cheapest input price, Free providers, Provider coverage).
GPT-5.4 Mini
GPT-5.4 Mini has these operational advantages: Average speed, 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
57.4
Avg. score
GPT-5.4 Mini
51.9
GPT-5.4 leads by 5.2
GPT-5.4 leads by 5.1
GPT-5.4 leads by 0.3
GPT-5.4 leads by 12.5
GPT-5.4 leads by 7.9
No data
GPT-5.4 leads by 7.4
GPT-5.4 leads by 0.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.4
winner67.0
Rank #19/84 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
58.0
Rank #36/84 · confidence 3 · eval date 2026-03-17
GPT-5.4
$5.63/M
Rank #135/162 · confidence 4
GPT-5.4 Mini
winner$1.69/M
Rank #95/162 · confidence 4
GPT-5.4
$2.50/M
Rank #131/162 · confidence 4
GPT-5.4 Mini
winner$0.750/M
Rank #95/162 · confidence 4
GPT-5.4
$15.00/M
Rank #136/162 · confidence 4
GPT-5.4 Mini
winner$4.50/M
Rank #102/162 · confidence 4
GPT-5.4
winner74.0
Rank #6/89 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
69.3
Rank #23/89 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner23.4
Rank #7/73 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
10.0
Rank #21/73 · confidence 3 · eval date 2026-03-17
GPT-5.4
74.8%
Rank #96/188 · confidence 4
GPT-5.4 Mini
winner82.3%
Rank #64/188 · confidence 4
GPT-5.4
10.6%
Rank #91/187 · confidence 4
GPT-5.4 Mini
winner17.1%
Rank #65/187 · confidence 4
GPT-5.4
winner67.4
Rank #3/33 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
48.0
Rank #10/33 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner56.6
Rank #4/96 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
49.9
Rank #23/96 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner71.0
Rank #11/59 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
56.1
Rank #24/59 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner47.1%
Rank #24/185 · confidence 4
GPT-5.4 Mini
44.2%
Rank #38/185 · confidence 4
GPT-5.4
42.4
Rank #53/65 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
winner54.3
Rank #30/65 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner47.6
Rank #7/47 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
28.3
Rank #20/47 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner27.1
Rank #8/35 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
2.1
Rank #35/35 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner65.9
Rank #17/56 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
44.7
Rank #32/56 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner41.6
Rank #8/96 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
26.6
Rank #38/96 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner50.0
Rank #9/90 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
37.5
Rank #32/90 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner51.4
Rank #10/99 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
40.0
Rank #31/99 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner92.0
Rank #11/96 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
87.5
Rank #34/96 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner39.8
Rank #11/15 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
28.2
Rank #14/15 · confidence 3 · eval date 2026-03-17
GPT-5.4
88.6
Rank #18/90 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
winner89.8
Rank #13/90 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner77.3
Rank #16/55 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
60.2
Rank #39/55 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner82.1
Rank #4/9 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
78.0
Rank #8/9 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner81.2
Rank #6/27 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
76.6
Rank #21/27 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner68.5
Rank #14/35 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
59.2
Rank #24/35 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner78.4
Rank #16/57 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
73.3
Rank #33/57 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner73.9
Rank #24/86 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
73.3
Rank #26/86 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner54.6
Rank #5/21 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
42.9
Rank #15/21 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner33.3
Rank #7/24 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
28.2
Rank #11/24 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner75.0
Rank #7/21 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
72.1
Rank #11/21 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner41.1
Rank #12/55 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
30.2
Rank #21/55 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner44.6
Rank #12/50 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
33.5
Rank #24/50 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner1392.0
Rank #12/55 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
1169.0
Rank #24/55 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner75.1
Rank #12/46 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
60.0
Rank #26/46 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner70.6
Rank #13/23 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
57.7
Rank #16/23 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner74.7
Rank #14/53 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
55.7
Rank #29/53 · confidence 3 · eval date 2026-03-17
GPT-5.4
winner87.1
Rank #37/84 · confidence 3 · eval date 2026-03-05
GPT-5.4 Mini
83.3
Rank #49/84 · confidence 3 · eval date 2026-03-17
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 100 100100100100 | GPT-5.4 Mini gpt-5.4-mini No audit yet |
Winner: GPT-5.4 Mini | GPT-5.4 gpt-5.4 Audit score 88 8468100100 | GPT-5.4 Mini gpt-5.4-mini Audit score 97 100 |
Winner: GPT-5.4 Mini | GPT-5.4 gpt-5.4 No audit yet | GPT-5.4 Mini gpt-5.4-mini Audit score 97 10010086100 |
Winner: Tie | GPT-5.4 gpt-5.4 Audit score 93 1008486100 | GPT-5.4 Mini gpt-5.4-mini Audit score 93 100 |
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 90 1008476100 | GPT-5.4 Mini gpt-5.4-mini No audit yet |
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 83 727980100 | GPT-5.4 Mini gpt-5.4-mini 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-5.4 Mini |
|---|---|---|
140 tests | GPT-5.4 speed / latency 49 tok/s / 6084ms input / output No data | GPT-5.4 Mini speed / latency 128 tok/s / 4452ms input / output No data |
105 tests | GPT-5.4 speed / latency 57 tok/s / 3556ms input / output No data | GPT-5.4 Mini speed / latency 145 tok/s / 5776ms input / output No data |
50 tests | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data | GPT-5.4 Mini speed / latency N/A / N/A input / output No data |
45 tests | GPT-5.4 speed / latency 50 tok/s / 2467ms input / output No data | GPT-5.4 Mini speed / latency 50 tok/s / 7767ms input / output No data |
40 tests | GPT-5.4 speed / latency 24 tok/s / 2652ms input / output No data | GPT-5.4 Mini speed / latency 139 tok/s / 2844ms input / output No data |
GPT-5.4 gpt-5.4-2026-03-05 speed / latency No data input / output $0/M/$0/M | GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0.547/M | |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0/M/$0/M | GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0/M | |
GPT-5.4 gpt-5.4-2026-03-05 speed / latency No data input / output $0/request | GPT-5.4 Mini gpt-5.4-mini 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 inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
