Data points: 83
Model compare
The readout for GPT-5.2 and GPT-5 Mini, 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 96 to 4.
Evidence depth
83 data points
Includes 9 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 15 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 GPT-5 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.2 | GPT-5 Mini |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 96.0 pts | 4.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | Cheapest input price, First-token latency, Free providers, Provider coverage | Average speed |
| Context window | 400K tokens | 400K tokens |
| Max output | 128K tokens | 128K tokens |
| Modalities | Input FileImageText Output Text | Input |
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 | GPT-5 Mini |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Dec 2025 | Aug 2025 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | No data | 2024-05-31 |
| OpenRouter ID | openai/gpt-5.2 | openai/gpt-5-mini |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.2 and GPT-5 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Coding, Reasoning, Math) and operational dimensions (Cheapest input price, First-token latency, Free providers, Provider coverage).
GPT-5 Mini
GPT-5 Mini has these operational advantages: Average speed.
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
GPT-5 Mini
51.6
GPT-5.2
GPT-5.2 leads by 6.9
GPT-5.2 leads by 1.2
GPT-5.2
GPT-5.2 leads by 4.1
No data
GPT-5.2
GPT-5.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.2
$1.75/M
Rank #120/162 · confidence 4
GPT-5 Mini
winner$0.250/M
Rank #36/162 · confidence 4
GPT-5.2
$4.81/M
Rank #132/162 · confidence 4
GPT-5 Mini
winner$0.688/M
Rank #53/162 · confidence 4
GPT-5.2
$14.00/M
Rank #133/162 · confidence 4
GPT-5 Mini
winner$2.00/M
Rank #60/162 · confidence 4
GPT-5.2
81.4%
Rank #54/125 · confidence 4
GPT-5 Mini
winner83.7%
Rank #32/125 · confidence 4
GPT-5.2
71.2%
Rank #110/188 · confidence 4
GPT-5 Mini
winner82.8%
Rank #59/188 · confidence 4
GPT-5.2
7.3%
Rank #109/187 · confidence 4
GPT-5 Mini
winner19.7%
Rank #59/187 · confidence 4
GPT-5.2
winner53.5
Rank #6/33 · confidence 3 · eval date 2025-12-11
GPT-5 Mini
14.2
Rank #27/33 · confidence 1 · eval date 2025-08-07
GPT-5.2
66.9%
Rank #36/115 · confidence 4
GPT-5 Mini
winner83.8%
Rank #12/115 · confidence 4
GPT-5.2
winner40.4%
Rank #64/185 · confidence 4
GPT-5 Mini
39.2%
Rank #81/185 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 | GPT-5 Mini |
|---|---|---|
| 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 | GPT-5 Mini |
|---|---|---|
15 tests | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data | GPT-5 Mini speed / latency N/A / N/A input / output No data |
10 tests | GPT-5.2 speed / latency N/A / N/A input / output No data | GPT-5 Mini speed / latency 76 tok/s / 6393ms input / output No data |
10 tests | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data | GPT-5 Mini speed / latency 94 tok/s / 6360ms input / output No data |
5 tests | GPT-5.2 speed / latency 64 tok/s / 3553ms input / output No data | GPT-5 Mini speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.2 speed / latency 64 tok/s / 5256ms input / output No data | GPT-5 Mini 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 | GPT-5 Mini gpt-5-mini 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
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
