Data points: 128
Model compare
The readout for Gemini 3.5 Flash-Lite 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 0 to 100.
Evidence depth
128 data points
Includes 28 benchmark rows, 2 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 3.5 Flash-Lite and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 3.5 Flash-Lite | GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 0.0 pts | 100.0 pts |
| Benchmark category leads | 0 categories | 5 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 3.5 Flash-Lite | 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-3.5-flash-lite | openai/gpt-5.4 |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 3.5 Flash-Lite and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite does not clearly lead in the benchmark or operational dimensions shared by both models.
GPT-5.4
GPT-5.4 is stronger in benchmark categories (Agents, Coding, Reasoning, 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 3.5 Flash-Lite
48
Avg. score
GPT-5.4
57.6
GPT-5.4 leads by 15.6
GPT-5.4 leads by 15.0
GPT-5.4 leads by 5.1
GPT-5.4 leads by 7.7
GPT-5.4
No data
GPT-5.4 leads by 8.0
GPT-5.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.5 Flash-Lite
61.0
Rank #33/90 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner67.0
Rank #22/90 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
winner$0.300/M
Rank #47/169 · confidence 4
GPT-5.4
$2.50/M
Rank #137/169 · confidence 4
Gemini 3.5 Flash-Lite
winner$0.850/M
Rank #68/169 · confidence 4
GPT-5.4
$5.63/M
Rank #141/169 · confidence 4
Gemini 3.5 Flash-Lite
winner$2.50/M
Rank #76/169 · confidence 4
GPT-5.4
$15.00/M
Rank #142/169 · confidence 4
Gemini 3.5 Flash-Lite
62.0
Rank #60/94 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner74.0
Rank #6/94 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
64.5
Rank #22/27 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner78.9
Rank #17/27 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
winner83.8%
Rank #59/194 · confidence 4
GPT-5.4
74.8%
Rank #102/194 · confidence 4
Gemini 3.5 Flash-Lite
winner17.5%
Rank #69/193 · confidence 4
GPT-5.4
10.6%
Rank #97/193 · confidence 4
Gemini 3.5 Flash-Lite
40.9
Rank #57/101 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner56.6
Rank #5/101 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
49.3
Rank #37/64 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner71.0
Rank #13/64 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
54.2
Rank #33/42 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner57.7
Rank #18/42 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
40.9%
Rank #63/191 · confidence 4
GPT-5.4
winner47.1%
Rank #27/191 · confidence 4
Gemini 3.5 Flash-Lite
36.0
Rank #65/71 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner42.4
Rank #58/71 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
17.5
Rank #62/101 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner41.6
Rank #10/101 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
30.3
Rank #47/95 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner50.0
Rank #11/95 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
36.5
Rank #47/104 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner51.4
Rank #11/104 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
83.8
Rank #57/101 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner92.0
Rank #13/101 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
33.5
Rank #85/95 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner88.6
Rank #18/95 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
61.8
Rank #42/60 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner77.3
Rank #18/60 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
winner6.9
Rank #20/34 · confidence 1 · eval date 2026-07-21
GPT-5.4
5.7
Rank #22/34 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
winner79.0
Rank #13/61 · confidence 1 · eval date 2026-07-21
GPT-5.4
78.4
Rank #19/61 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
64.1
Rank #25/40 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner68.5
Rank #17/40 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
74.0
Rank #10/24 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner75.0
Rank #9/24 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
26.8
Rank #32/60 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner41.1
Rank #13/60 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
54.0
Rank #38/50 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner75.1
Rank #13/50 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
1139.0
Rank #31/60 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner1392.0
Rank #14/60 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
31.9
Rank #31/55 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner44.6
Rank #14/55 · confidence 3 · eval date 2026-03-05
Gemini 3.5 Flash-Lite
52.6
Rank #37/59 · confidence 1 · eval date 2026-07-21
GPT-5.4
winner74.7
Rank #17/59 · 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 3.5 Flash-Lite | GPT-5.4 |
|---|---|---|
Winner: GPT-5.4 | Gemini 3.5 Flash-Lite gemini-3.5-flash-lite No audit yet | GPT-5.4 gpt-5.4 Audit score 100 100100100100 |
Winner: GPT-5.4 | Gemini 3.5 Flash-Lite gemini-3.5-flash-lite No audit yet | GPT-5.4 gpt-5.4 Audit score 93 1008486100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 3.5 Flash-Lite | GPT-5.4 |
|---|---|---|
5 tests | Gemini 3.5 Flash-Lite 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 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 44 tok/s / 1119ms input / output No data |
0 tests | Gemini 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
0 tests | Gemini 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
0 tests | Gemini 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
Gemini 3.5 Flash-Lite gemini-3.5-flash-lite speed / latency No data input / output $0/request | GPT-5.4 gpt-5.4 speed / latency No data input / output $0/request | |
Gemini 3.5 Flash-Lite gemini-3.5-flash-lite speed / latency No data input / output $0.021/M/$0.171/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $0.171/M | |
Gemini 3.5 Flash-Lite gemini-3.5-flash-lite speed / latency No data input / output $0.050/M/$0.200/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $37.50/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 |
|---|
