Data points: 105
Model compare
The readout for GPT-5.2 and O1, 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 86.7 to 13.3.
Evidence depth
105 data points
Includes 21 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 27 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 GPT-5.2 and O1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.2 | O1 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 86.7 pts | 13.3 pts |
| Benchmark category leads | 5 categories | 1 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | No data |
| Context window | 400K tokens | 200K tokens |
| Max output | 128K tokens | 100K tokens |
| Modalities | 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 | GPT-5.2 | O1 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Dec 2025 | Dec 2024 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | No data | 2023-10-31 |
| OpenRouter ID | openai/gpt-5.2 | openai/o1 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.2 and O1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Agents, Coding, Reasoning, Math, Instruction following) and operational dimensions (Cheapest input price, Free providers, Provider coverage).
O1
O1 leads these benchmark categories: Knowledge.
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
GPT-5.2
52.9
Avg. score
O1
52.5
GPT-5.2 leads by 2.7
GPT-5.2 leads by 5.8
GPT-5.2 leads by 3.9
O1 leads by 6.3
GPT-5.2 leads by 3.3
No data
GPT-5.2
GPT-5.2 leads by 3.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.2
winner$1.75/M
Rank #121/162 · confidence 4
O1
$15.00/M
Rank #155/162 · confidence 4
GPT-5.2
winner$4.81/M
Rank #133/162 · confidence 4
O1
$26.25/M
Rank #155/162 · confidence 4
GPT-5.2
winner$14.00/M
Rank #134/162 · confidence 4
O1
$60.00/M
Rank #155/162 · confidence 4
GPT-5.2
winner72.7
Rank #12/89 · confidence 3 · eval date 2025-12-11
O1
59.3
Rank #61/89 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner11.6
Rank #19/73 · confidence 3 · eval date 2025-12-11
O1
0.3
Rank #68/73 · confidence 1 · eval date 2024-12-01
GPT-5.2
81.4%
Rank #54/125 · confidence 4
O1
winner84.1%
Rank #30/125 · confidence 4
GPT-5.2
71.2%
Rank #110/187 · confidence 4
O1
winner74.7%
Rank #99/187 · confidence 4
GPT-5.2
7.3%
Rank #108/186 · confidence 4
O1
winner7.7%
Rank #107/186 · confidence 4
GPT-5.2
winner52.1
Rank #17/96 · confidence 3 · eval date 2025-12-11
O1
35.8
Rank #75/96 · confidence 1 · eval date 2024-12-01
GPT-5.2
66.9%
Rank #36/115 · confidence 4
O1
winner67.9%
Rank #34/115 · confidence 4
GPT-5.2
winner40.4%
Rank #63/184 · confidence 4
O1
35.8%
Rank #106/184 · confidence 4
GPT-5.2
winner40.7
Rank #10/47 · confidence 3 · eval date 2025-12-11
O1
9.3
Rank #34/47 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner58.5
Rank #24/56 · confidence 3 · eval date 2025-12-11
O1
32.8
Rank #42/56 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner81.0
Rank #13/54 · confidence 3 · eval date 2025-12-11
O1
64.4
Rank #35/54 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
O1
34.7
Rank #35/90 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner90.3
Rank #18/96 · confidence 3 · eval date 2025-12-11
O1
74.7
Rank #73/96 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
O1
7.7
Rank #73/96 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner42.2
Rank #21/99 · confidence 3 · eval date 2025-12-11
O1
17.0
Rank #79/99 · confidence 1 · eval date 2024-09-12
GPT-5.2
winner79.7
Rank #40/90 · confidence 3 · eval date 2025-12-11
O1
69.3
Rank #55/90 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
O1
70.3
Rank #37/86 · confidence 1 · eval date 2024-12-01
GPT-5.2
winner84.8
Rank #44/84 · confidence 3 · eval date 2025-12-11
O1
62.6
Rank #62/84 · confidence 1 · eval date 2024-12-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 | O1 |
|---|---|---|
| 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 | GPT-5.2 | O1 |
|---|---|---|
15 tests | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data | O1 speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.2 speed / latency 64 tok/s / 3553ms input / output No data | O1 speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.2 speed / latency 32 tok/s / 1965ms input / output No data | O1 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.2 speed / latency N/A / N/A input / output No data | O1 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.2 speed / latency N/A / N/A input / output No data | O1 speed / latency N/A / N/A input / output No data |
GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0/request | O1 o1 speed / latency No data input / output $5.88/request |
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
