Data points: 124
Model compare
The readout for Gemini 3 Pro 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 32.6 to 67.4.
Evidence depth
124 data points
Includes 34 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 40 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 Pro and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 3 Pro | GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 32.6 pts | 67.4 pts |
| Benchmark category leads | 2 categories | 4 categories |
| Operational advantages | Average speed | Cheapest input price, First-token latency, Free providers, Provider coverage |
| Context window | No data | 400K tokens |
| Max output | No data | 128K tokens |
| Modalities | No data | Input FileImageText 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 | Gemini 3 Pro | GPT-5.2 |
|---|---|---|
| Developer | OpenAI | |
| Released | No data | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 3 Pro and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 3 Pro
Gemini 3 Pro is stronger in benchmark categories (Agents, Multimodal) and operational dimensions (Average speed).
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Coding, Knowledge, Math, Instruction following) and operational dimensions (Cheapest input price, First-token latency, 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 Pro
53.8
Avg. score
GPT-5.2
52.8
Gemini 3 Pro leads by 1.1
GPT-5.2 leads by 0.7
Tied
GPT-5.2 leads by 0.8
GPT-5.2 leads by 0.2
Gemini 3 Pro
Gemini 3 Pro leads by 9.0
GPT-5.2 leads by 1.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3 Pro
winner57.0
Rank #38/84 · confidence 2 · eval date 2025-11-18
GPT-5.2
53.0
Rank #50/84 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
$2.00/M
Rank #123/162 · confidence 4
GPT-5.2
winner$1.75/M
Rank #120/162 · confidence 4
Gemini 3 Pro
winner$4.50/M
Rank #130/162 · confidence 4
GPT-5.2
$4.81/M
Rank #132/162 · confidence 4
Gemini 3 Pro
winner$12.00/M
Rank #130/162 · confidence 4
GPT-5.2
$14.00/M
Rank #133/162 · confidence 4
Gemini 3 Pro
winner89.5%
Rank #2/125 · confidence 4
GPT-5.2
81.4%
Rank #54/125 · confidence 4
Gemini 3 Pro
31.1
Rank #14/15 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner52.9
Rank #12/15 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
70.7
Rank #16/89 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner72.7
Rank #13/89 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
9.1
Rank #24/73 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner11.6
Rank #20/73 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
43.3
Rank #24/25 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner61.4
Rank #22/25 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner88.7%
Rank #29/188 · confidence 4
GPT-5.2
71.2%
Rank #110/188 · confidence 4
Gemini 3 Pro
winner27.6%
Rank #37/187 · confidence 4
GPT-5.2
7.3%
Rank #109/187 · confidence 4
Gemini 3 Pro
winner56.1
Rank #5/96 · confidence 2 · eval date 2025-11-18
GPT-5.2
52.1
Rank #18/96 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
14.3
Rank #26/33 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner53.5
Rank #6/33 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner85.7%
Rank #7/115 · confidence 4
GPT-5.2
66.9%
Rank #36/115 · confidence 4
Gemini 3 Pro
winner62.1
Rank #13/65 · confidence 2 · eval date 2025-11-18
GPT-5.2
52.2
Rank #34/65 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner49.9%
Rank #18/185 · confidence 4
GPT-5.2
40.4%
Rank #64/185 · confidence 4
Gemini 3 Pro
37.6
Rank #14/47 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner40.7
Rank #10/47 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
18.8
Rank #12/35 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner18.8
Rank #11/35 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
56.3
Rank #26/56 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner58.5
Rank #24/56 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner55.9
Rank #4/90 · confidence 2 · eval date 2025-11-18
GPT-5.2
43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner90.9
Rank #9/90 · confidence 2 · eval date 2025-11-18
GPT-5.2
79.7
Rank #39/90 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
69.2
Rank #26/55 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner80.8
Rank #11/55 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner37.2
Rank #16/96 · confidence 2 · eval date 2025-11-18
GPT-5.2
35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner90.8
Rank #18/96 · confidence 2 · eval date 2025-11-18
GPT-5.2
90.3
Rank #19/96 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
39.5
Rank #33/99 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner42.2
Rank #22/99 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner86.6
Rank #6/11 · confidence 2 · eval date 2025-11-18
GPT-5.2
83.0
Rank #10/11 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
81.4
Rank #10/22 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner82.1
Rank #8/22 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner81.0
Rank #8/27 · confidence 2 · eval date 2025-11-18
GPT-5.2
79.5
Rank #10/27 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner74.2
Rank #9/35 · confidence 2 · eval date 2025-11-18
GPT-5.2
70.3
Rank #11/35 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner88.0
Rank #9/11 · confidence 2 · eval date 2025-11-18
GPT-5.2
75.9
Rank #10/11 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
70.4
Rank #36/86 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner63.2
Rank #7/50 · confidence 2 · eval date 2025-11-18
GPT-5.2
46.5
Rank #29/50 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
11.4
Rank #17/20 · confidence 2 · eval date 2025-11-18
GPT-5.2
winner34.3
Rank #7/20 · confidence 3 · eval date 2025-12-11
Gemini 3 Pro
winner87.1
Rank #37/84 · confidence 2 · eval date 2025-11-18
GPT-5.2
84.8
Rank #44/84 · 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 Pro | 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 Pro | GPT-5.2 |
|---|---|---|
30 tests | Gemini 3 Pro speed / latency 83 tok/s / 14822ms input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
10 tests | Gemini 3 Pro speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 94 tok/s / 11492ms input / output No data |
10 tests | Gemini 3 Pro speed / latency 85 tok/s / 12067ms input / output No data | GPT-5.2 speed / latency 55 tok/s / 1434ms input / output No data |
10 tests | Gemini 3 Pro speed / latency 97 tok/s / 4446ms input / output No data | GPT-5.2 speed / latency 48 tok/s / 1543ms input / output No data |
10 tests | Gemini 3 Pro speed / latency 16 tok/s / 1749ms input / output No data | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data |
Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0/request | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0/request |
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | None listed | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
