Data points: 104
Model compare
The readout for Gemini 3.5 Flash-Lite and GPT-5.2, before the detailed comparison sheet.
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.2
GPT-5.2 has the higher weighted result; Model A / B score 16 to 84.
Evidence depth
104 data points
Includes 21 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 29 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-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 3.5 Flash-Lite | GPT-5.2 |
|---|---|---|
| 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 | 400K 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-5.2 |
|---|---|---|
| Developer | OpenAI | |
| Released | Jul 2026 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.5-flash-lite | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 3.5 Flash-Lite and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite leads these benchmark categories: Multimodal.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge) 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-5.2
52.8
GPT-5.2 leads by 5.9
GPT-5.2 leads by 8.6
GPT-5.2 leads by 3.0
GPT-5.2 leads by 4.7
GPT-5.2
No data
Gemini 3.5 Flash-Lite leads by 2.9
GPT-5.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.5 Flash-Lite
winner61.0
Rank #33/90 · confidence 1 · eval date 2026-07-21
GPT-5.2
53.0
Rank #56/90 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
winner$0.300/M
Rank #47/169 · confidence 4
GPT-5.2
$1.75/M
Rank #125/169 · confidence 4
Gemini 3.5 Flash-Lite
winner$0.850/M
Rank #68/169 · confidence 4
GPT-5.2
$4.81/M
Rank #138/169 · confidence 4
Gemini 3.5 Flash-Lite
winner$2.50/M
Rank #76/169 · confidence 4
GPT-5.2
$14.00/M
Rank #139/169 · confidence 4
Gemini 3.5 Flash-Lite
62.0
Rank #60/94 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner72.7
Rank #13/94 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
winner64.5
Rank #22/27 · confidence 1 · eval date 2026-07-21
GPT-5.2
61.4
Rank #24/27 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
winner83.8%
Rank #59/194 · confidence 4
GPT-5.2
71.2%
Rank #116/194 · confidence 4
Gemini 3.5 Flash-Lite
winner17.5%
Rank #69/193 · confidence 4
GPT-5.2
7.3%
Rank #115/193 · confidence 4
Gemini 3.5 Flash-Lite
40.9
Rank #57/101 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner52.1
Rank #21/101 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
54.2
Rank #33/42 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner55.6
Rank #28/42 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
36.0
Rank #65/71 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner52.2
Rank #36/71 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
winner40.9%
Rank #63/191 · confidence 4
GPT-5.2
40.4%
Rank #69/191 · confidence 4
Gemini 3.5 Flash-Lite
61.8
Rank #42/60 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner80.8
Rank #13/60 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
30.3
Rank #47/95 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner43.8
Rank #18/95 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
83.8
Rank #57/101 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner90.3
Rank #21/101 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
17.5
Rank #62/101 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner35.4
Rank #24/101 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
36.5
Rank #47/104 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner42.2
Rank #25/104 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
33.5
Rank #85/95 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner79.7
Rank #39/95 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
64.1
Rank #25/40 · confidence 1 · eval date 2026-07-21
GPT-5.2
winner70.3
Rank #14/40 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
winner74.0
Rank #10/24 · confidence 1 · eval date 2026-07-21
GPT-5.2
47.3
Rank #23/24 · confidence 3 · eval date 2025-12-11
Gemini 3.5 Flash-Lite
winner52.6
Rank #37/59 · confidence 1 · eval date 2026-07-21
GPT-5.2
22.0
Rank #54/59 · confidence 3 · eval date 2025-12-11
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.5 Flash-Lite | GPT-5.2 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
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-5.2 |
|---|---|---|
15 tests | Gemini 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
10 tests | Gemini 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 94 tok/s / 11492ms input / output No data |
0 tests | Gemini 3.5 Flash-Lite speed / latency N/A / N/A input / output No data | GPT-5.2 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-5.2 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-5.2 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-5.2 gpt-5.2-2025-12-11 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-5.2 gpt-5.2 speed / latency No data input / output $0.120/M | |
Gemini 3.5 Flash-Lite gemini-3.5-flash-lite speed / latency No data input / output $0.050/M/$0.200/M | GPT-5.2 gpt-5.2-chat speed / latency No data input / output $37.50/M |
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
Input FileImageText Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
