Data points: 131
Model compare
The readout for Gemini 3.6 Flash and GPT-5.4, 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 16 to 84.
Evidence depth
131 data points
Includes 27 benchmark rows, 3 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 38 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 Gemini 3.6 Flash and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 3.6 Flash | GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 16.0 pts | 84.0 pts |
| Benchmark category leads | 1 categories | 4 categories |
| Operational advantages | No data | Cheapest input price, Free providers, Provider coverage |
| Context window | 1.0M tokens | 1.1M tokens |
| Max output | 65.5K tokens | 128K tokens |
| Modalities | Input TextImagevideoFileAudio |
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 | Gemini 3.6 Flash | GPT-5.4 |
|---|---|---|
| Developer | OpenAI | |
| Released | Jul 2026 | Mar 2026 |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.6-flash | openai/gpt-5.4 |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 3.6 Flash and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 3.6 Flash
Gemini 3.6 Flash leads these benchmark categories: Reasoning.
GPT-5.4
GPT-5.4 is stronger in benchmark categories (Agents, Coding, Knowledge, Multimodal) and operational dimensions (Cheapest input price, Free providers, Provider coverage).
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
Gemini 3.6 Flash
55.8
Avg. score
GPT-5.4
57.6
GPT-5.4 leads by 3.8
GPT-5.4 leads by 6.7
Gemini 3.6 Flash leads by 2.4
GPT-5.4 leads by 2.0
GPT-5.4
No data
GPT-5.4 leads by 2.1
GPT-5.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.6 Flash
winner70.0
Rank #17/90 · confidence 1 · eval date 2026-07-21
GPT-5.4
67.0
Rank #22/90 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner$7.50/M
Rank #116/169 · confidence 4
GPT-5.4
$15.00/M
Rank #142/169 · confidence 4
Gemini 3.6 Flash
winner$3.00/M
Rank #117/169 · confidence 4
GPT-5.4
$5.63/M
Rank #141/169 · confidence 4
Gemini 3.6 Flash
winner$1.50/M
Rank #122/169 · confidence 4
GPT-5.4
$2.50/M
Rank #137/169 · confidence 4
Gemini 3.6 Flash
69.7
Rank #21/94 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner74.0
Rank #6/94 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
10.6
Rank #23/77 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner23.4
Rank #8/77 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner92.8%
Rank #8/194 · confidence 4
GPT-5.4
74.8%
Rank #102/194 · confidence 4
Gemini 3.6 Flash
winner38.3%
Rank #18/193 · confidence 4
GPT-5.4
10.6%
Rank #97/193 · confidence 4
Gemini 3.6 Flash
52.7
Rank #19/101 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner56.6
Rank #5/101 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
69.2
Rank #15/64 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner71.0
Rank #13/64 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner62.3
Rank #14/71 · confidence 1 · eval date 2026-07-21
GPT-5.4
42.4
Rank #58/71 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner52.7%
Rank #15/191 · confidence 4
GPT-5.4
47.1%
Rank #27/191 · confidence 4
Gemini 3.6 Flash
winner23.5
Rank #7/34 · confidence 1 · eval date 2026-07-21
GPT-5.4
5.7
Rank #22/34 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner92.8
Rank #8/101 · confidence 1 · eval date 2026-07-21
GPT-5.4
92.0
Rank #13/101 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
38.3
Rank #17/101 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner41.6
Rank #10/101 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner50.2
Rank #10/95 · confidence 1 · eval date 2026-07-21
GPT-5.4
50.0
Rank #11/95 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
50.1
Rank #16/104 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner51.4
Rank #11/104 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
53.5
Rank #64/95 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner88.6
Rank #18/95 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
70.9
Rank #28/60 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner77.3
Rank #18/60 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner83.2
Rank #4/61 · confidence 1 · eval date 2026-07-21
GPT-5.4
78.4
Rank #19/61 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner1319.0
Rank #8/69 · confidence 1 · eval date 2026-07-21
GPT-5.4
1245.0
Rank #35/69 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner75.1
Rank #11/40 · confidence 1 · eval date 2026-07-21
GPT-5.4
68.5
Rank #17/40 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner83.0
Rank #3/24 · confidence 1 · eval date 2026-07-21
GPT-5.4
75.0
Rank #9/24 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
38.7
Rank #14/60 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner41.1
Rank #13/60 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner82.7
Rank #13/59 · confidence 1 · eval date 2026-07-21
GPT-5.4
74.7
Rank #17/59 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner1423.0
Rank #13/60 · confidence 1 · eval date 2026-07-21
GPT-5.4
1392.0
Rank #14/60 · confidence 3 · eval date 2026-03-05
Gemini 3.6 Flash
winner46.2
Rank #13/55 · confidence 1 · eval date 2026-07-21
GPT-5.4
44.6
Rank #14/55 · confidence 3 · eval date 2026-03-05
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.6 Flash | GPT-5.4 |
|---|---|---|
Winner: GPT-5.4 | Gemini 3.6 Flash gemini-3.6-flash No audit yet | GPT-5.4 gpt-5.4 Audit score 100 100100100100 |
Winner: GPT-5.4 | Gemini 3.6 Flash gemini-3.6-flash No audit yet | GPT-5.4 gpt-5.4 Audit score 93 1008486100 |
Winner: GPT-5.4 | Gemini 3.6 Flash gemini-3.6-flash No audit yet | GPT-5.4 gpt-5.4 Audit score 90 1008476100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 3.6 Flash | GPT-5.4 |
|---|---|---|
5 tests | Gemini 3.6 Flash speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 50 tok/s / 5476ms input / output No data |
5 tests | Gemini 3.6 Flash speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 70 tok/s / 2961ms input / output No data |
5 tests | Gemini 3.6 Flash speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 44 tok/s / 3441ms input / output No data |
5 tests | Gemini 3.6 Flash speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 44 tok/s / 1119ms input / output No data |
5 tests | Gemini 3.6 Flash speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 20 tok/s / 5759ms input / output No data |
Gemini 3.6 Flash gemini-3.6-flash speed / latency No data input / output $0/request | GPT-5.4 gpt-5.4 speed / latency No data input / output $0/request | |
Gemini 3.6 Flash gemini-3.6-flash speed / latency No data input / output $0.0068/request | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0.342/M | |
Gemini 3.6 Flash [福利]gemini-3.6-flash speed / latency No data input / output $0.020/request | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $1.75/M |
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
