Data points: 121
Model compare
The readout for Gemini 2.5 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 38.7 to 61.3.
Evidence depth
121 data points
Includes 28 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 36 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 2.5 Pro and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 2.5 Pro | GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 38.7 pts | 61.3 pts |
| Benchmark category leads | 2 categories | 4 categories |
| Operational advantages | Cheapest input price, Average speed, Free providers | First-token latency, Provider coverage |
| Context window | 1.0M tokens | 400K tokens |
| Max output | 65.5K tokens | 128K tokens |
| Modalities | Input TextImageFileAudiovideo |
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 2.5 Pro | GPT-5.2 |
|---|---|---|
| Developer | OpenAI | |
| Released | Jun 2025 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | 2025-01-31 | No data |
| OpenRouter ID | google/gemini-2.5-pro | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 2.5 Pro
Gemini 2.5 Pro is stronger in benchmark categories (Reasoning, Math) and operational dimensions (Cheapest input price, Average speed, Free providers).
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Agents, Coding, Knowledge, Instruction following) and operational dimensions (First-token latency, 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 2.5 Pro
46.2
Avg. score
GPT-5.2
52.9
GPT-5.2 leads by 4.3
GPT-5.2 leads by 17.4
Gemini 2.5 Pro leads by 0.8
GPT-5.2 leads by 20.6
Gemini 2.5 Pro leads by 0.3
No data
GPT-5.2
GPT-5.2 leads by 8.8
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 2.5 Pro
43.0
Rank #76/84 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner53.0
Rank #50/84 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
winner$1.25/M
Rank #107/162 · confidence 4
GPT-5.2
$1.75/M
Rank #120/162 · confidence 4
Gemini 2.5 Pro
winner$3.44/M
Rank #117/162 · confidence 4
GPT-5.2
$4.81/M
Rank #132/162 · confidence 4
Gemini 2.5 Pro
winner$10.00/M
Rank #120/162 · confidence 4
GPT-5.2
$14.00/M
Rank #133/162 · confidence 4
Gemini 2.5 Pro
66.0
Rank #41/89 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner72.7
Rank #13/89 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
winner86.2%
Rank #15/125 · confidence 4
GPT-5.2
81.4%
Rank #54/125 · confidence 4
Gemini 2.5 Pro
2.6
Rank #44/73 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner11.6
Rank #20/73 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
winner84.4%
Rank #49/188 · confidence 4
GPT-5.2
71.2%
Rank #110/188 · confidence 4
Gemini 2.5 Pro
winner21.1%
Rank #53/187 · confidence 4
GPT-5.2
7.3%
Rank #109/187 · confidence 4
Gemini 2.5 Pro
0.4
Rank #33/33 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner53.5
Rank #6/33 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
63.8
Rank #38/43 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner80.0
Rank #12/43 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
42.8
Rank #47/96 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner52.1
Rank #18/96 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
winner80.1%
Rank #18/115 · confidence 4
GPT-5.2
66.9%
Rank #36/115 · confidence 4
Gemini 2.5 Pro
36.1
Rank #59/65 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner52.2
Rank #34/65 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
winner42.8%
Rank #44/185 · confidence 4
GPT-5.2
40.4%
Rank #64/185 · confidence 4
Gemini 2.5 Pro
14.1
Rank #32/47 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner40.7
Rank #10/47 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
4.2
Rank #23/35 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner18.8
Rank #11/35 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
35.5
Rank #40/56 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner58.5
Rank #24/56 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
23.5
Rank #55/55 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner80.8
Rank #11/55 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
39.0
Rank #25/90 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
84.4
Rank #49/96 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner90.3
Rank #19/96 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
winner87.4
Rank #19/90 · confidence 1 · eval date 2025-03-01
GPT-5.2
79.7
Rank #39/90 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
21.1
Rank #50/96 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
25.8
Rank #63/99 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner42.2
Rank #22/99 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
1192.0
Rank #45/66 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner1219.0
Rank #35/66 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
48.7
Rank #59/86 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
42.0
Rank #34/50 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner46.5
Rank #29/50 · confidence 3 · eval date 2025-12-11
Gemini 2.5 Pro
54.1
Rank #65/84 · confidence 1 · eval date 2025-03-01
GPT-5.2
winner84.8
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 2.5 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 2.5 Pro | GPT-5.2 |
|---|---|---|
30 tests | Gemini 2.5 Pro speed / latency 48 tok/s / 23637ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
20 tests | Gemini 2.5 Pro speed / latency 106 tok/s / 16405ms input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
10 tests | Gemini 2.5 Pro speed / latency 81 tok/s / 21179ms input / output No data | GPT-5.2 speed / latency 64 tok/s / 5256ms input / output No data |
10 tests | Gemini 2.5 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 2.5 Pro speed / latency 111 tok/s / 17899ms input / output No data | GPT-5.2 speed / latency 55 tok/s / 1434ms input / output No data |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0/M/$0/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.024/M | |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0/M/$0/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0/M | |
Gemini 2.5 Pro gemini-2.5-pro-preview-06-05 speed / latency No data input / output $0/request | GPT-5.2 gpt-5.2 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%.
Output
Input FileImageText Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
