Data points: 152
Model compare
The readout for GPT-5.4 Mini and GPT-5.4 Nano, before the detailed comparison sheet.
Weighted outcome: GPT-5.4 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.4 Mini
GPT-5.4 Mini has the higher weighted result; Model A / B score 65.1 to 34.9.
Evidence depth
152 data points
Includes 38 benchmark rows, 2 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5.4 Mini
The charts below split 47 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 Mini and GPT-5.4 Nano: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 Mini | GPT-5.4 Nano |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 65.1 pts | 34.9 pts |
| Benchmark category leads | 5 categories | 2 categories |
| Operational advantages | Free providers, Provider coverage | Cheapest input price, Average speed, First-token latency |
| Context window | 400K tokens | 400K tokens |
| Max output | 128K tokens | 128K tokens |
| Modalities | Input FileImageText Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile 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 Mini | GPT-5.4 Nano |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Mar 2026 | Mar 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2025-08-31 | 2025-08-31 |
| OpenRouter ID | openai/gpt-5.4-mini | openai/gpt-5.4-nano |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 Mini and GPT-5.4 Nano: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4 Mini
GPT-5.4 Mini is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Multimodal) and operational dimensions (Free providers, Provider coverage).
GPT-5.4 Nano
GPT-5.4 Nano is stronger in benchmark categories (Math, Instruction following) and operational dimensions (Cheapest input price, 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 Mini
52
Avg. score
GPT-5.4 Nano
46.4
GPT-5.4 Mini leads by 6.0
GPT-5.4 Mini leads by 8.1
GPT-5.4 Mini leads by 6.4
GPT-5.4 Mini leads by 3.5
GPT-5.4 Nano leads by 2.1
No data
GPT-5.4 Mini leads by 18.2
GPT-5.4 Nano leads by 1.0
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.4 Mini
winner58.0
Rank #42/90 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
38.0
Rank #89/90 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
$0.750/M
Rank #97/169 · confidence 4
GPT-5.4 Nano
winner$0.200/M
Rank #28/169 · confidence 4
GPT-5.4 Mini
$1.69/M
Rank #98/169 · confidence 4
GPT-5.4 Nano
winner$0.463/M
Rank #39/169 · confidence 4
GPT-5.4 Mini
$4.50/M
Rank #106/169 · confidence 4
GPT-5.4 Nano
winner$1.25/M
Rank #51/169 · confidence 4
GPT-5.4 Mini
winner10.0
Rank #24/77 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
9.3
Rank #26/77 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner69.3
Rank #25/94 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
66.0
Rank #43/94 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
17.1%
Rank #71/193 · confidence 4
GPT-5.4 Nano
winner26.5%
Rank #45/193 · confidence 4
GPT-5.4 Mini
winner82.3%
Rank #69/194 · confidence 4
GPT-5.4 Nano
81.7%
Rank #74/194 · confidence 4
GPT-5.4 Mini
winner48.0
Rank #10/33 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
26.1
Rank #16/33 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
54.3
Rank #32/71 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
winner58.3
Rank #22/71 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner49.9
Rank #26/101 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
46.9
Rank #36/101 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner56.1
Rank #27/64 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
56.1
Rank #28/64 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
44.2%
Rank #42/191 · confidence 4
GPT-5.4 Nano
winner46.9%
Rank #30/191 · confidence 4
GPT-5.4 Mini
2.1
Rank #35/35 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
winner6.3
Rank #20/35 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner28.3
Rank #20/47 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
25.9
Rank #23/47 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner44.7
Rank #33/57 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
44.3
Rank #34/57 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner89.8
Rank #13/95 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
73.6
Rank #50/95 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner28.2
Rank #17/18 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
24.3
Rank #18/18 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner40.0
Rank #35/104 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
38.2
Rank #40/104 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner37.5
Rank #36/95 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
25.4
Rank #59/95 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner87.5
Rank #37/101 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
81.7
Rank #62/101 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner26.6
Rank #42/101 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
26.5
Rank #43/101 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner60.2
Rank #44/60 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
54.9
Rank #49/60 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner78.0
Rank #8/9 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
69.5
Rank #9/9 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner76.6
Rank #21/28 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
66.1
Rank #27/28 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner59.2
Rank #28/40 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
16.5
Rank #39/40 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner73.3
Rank #37/61 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
65.4
Rank #48/61 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
73.3
Rank #26/86 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
winner75.9
Rank #16/86 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner28.2
Rank #11/24 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
24.9
Rank #12/24 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner72.1
Rank #14/24 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
39.0
Rank #24/24 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner42.9
Rank #16/22 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
35.5
Rank #20/22 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner57.7
Rank #19/26 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
56.1
Rank #20/26 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner30.2
Rank #25/60 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
27.5
Rank #30/60 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner33.5
Rank #28/55 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
30.1
Rank #34/55 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner1169.0
Rank #28/60 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
1101.0
Rank #34/60 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner60.0
Rank #29/50 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
46.3
Rank #45/50 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner93.4
Rank #30/84 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
92.5
Rank #32/84 · confidence 2 · eval date 2026-03-17
GPT-5.4 Mini
winner55.5
Rank #34/59 · confidence 3 · eval date 2026-03-17
GPT-5.4 Nano
16.8
Rank #56/59 · confidence 2 · 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 Mini | GPT-5.4 Nano |
|---|---|---|
向量引擎Winner: GPT-5.4 Mini | GPT-5.4 Mini gpt-5.4-mini Audit score 97 10010086100 | GPT-5.4 Nano gpt-5.4-nano-2026-03-17 No audit yet |
YUNWU APIWinner: GPT-5.4 Mini | GPT-5.4 Mini gpt-5.4-mini Audit score 93 1008486100 | GPT-5.4 Nano gpt-5.4-nano-2026-03-17 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 Mini | GPT-5.4 Nano |
|---|---|---|
YUNWU API15 tests | GPT-5.4 Mini speed / latency 201 tok/s / 1441ms input / output No data | GPT-5.4 Nano speed / latency 147 tok/s / 4365ms input / output No data |
发现AI15 tests | GPT-5.4 Mini speed / latency 108 tok/s / 1950ms input / output No data | GPT-5.4 Nano speed / latency N/A / N/A input / output No data |
Mars HK5 tests | GPT-5.4 Mini speed / latency 145 tok/s / 5776ms input / output No data | GPT-5.4 Nano speed / latency N/A / N/A input / output No data |
MyWebUI API5 tests | GPT-5.4 Mini speed / latency 98 tok/s / 4039ms input / output No data | GPT-5.4 Nano speed / latency N/A / N/A input / output No data |
ocool AI5 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | GPT-5.4 Nano speed / latency 118 tok/s / 1397ms input / output No data |
GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0/request | GPT-5.4 Nano gpt-5.4-nano speed / latency No data input / output $0/request | |
GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0.010/M/$0.062/M | GPT-5.4 Nano gpt-5.4-nano speed / latency No data input / output $0.137/M/$0.856/M |
Weighted outcome: GPT-5.4 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
