Data points: 113
Model compare
The readout for GPT-4.1 Mini 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 8 to 92.
Evidence depth
113 data points
Includes 24 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 30 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-4.1 Mini and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-4.1 Mini | GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 8.0 pts | 92.0 pts |
| Benchmark category leads | 0 categories | 6 categories |
| Operational advantages | Average speed, First-token latency | Cheapest input price, Free providers, Provider coverage |
| Context window | 1.0M tokens | 400K tokens |
| Max output | 32.8K tokens | 128K tokens |
| Modalities | Input ImageTextFile 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-4.1 Mini | GPT-5.2 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Apr 2025 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2024-06-30 | No data |
| OpenRouter ID | openai/gpt-4.1-mini | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-4.1 Mini and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-4.1 Mini
GPT-4.1 Mini has these operational advantages: Average speed, First-token latency.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Math) 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
GPT-4.1 Mini
44.7
Avg. score
GPT-5.2
52.9
GPT-5.2 leads by 7.2
GPT-5.2 leads by 17.2
GPT-5.2 leads by 8.9
GPT-5.2 leads by 7.6
GPT-5.2 leads by 5.9
No data
GPT-5.2
GPT-5.2 leads by 12.5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-4.1 Mini
46.0
Rank #65/84 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner53.0
Rank #50/84 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
winner$0.700/M
Rank #56/162 · confidence 4
GPT-5.2
$4.81/M
Rank #132/162 · confidence 4
GPT-4.1 Mini
winner$1.60/M
Rank #56/162 · confidence 4
GPT-5.2
$14.00/M
Rank #133/162 · confidence 4
GPT-4.1 Mini
winner$0.400/M
Rank #60/162 · confidence 4
GPT-5.2
$1.75/M
Rank #120/162 · confidence 4
GPT-4.1 Mini
42.3
Rank #75/89 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner72.7
Rank #13/89 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
78.1%
Rank #72/125 · confidence 4
GPT-5.2
winner81.4%
Rank #54/125 · confidence 4
GPT-4.1 Mini
4.6%
Rank #142/187 · confidence 4
GPT-5.2
winner7.3%
Rank #109/187 · confidence 4
GPT-4.1 Mini
66.4%
Rank #127/188 · confidence 4
GPT-5.2
winner71.2%
Rank #110/188 · confidence 4
GPT-4.1 Mini
23.6
Rank #43/43 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner80.0
Rank #12/43 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
40.4
Rank #54/96 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner52.1
Rank #18/96 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
21.4
Rank #63/65 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner52.2
Rank #34/65 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
48.3%
Rank #61/115 · confidence 4
GPT-5.2
winner66.9%
Rank #36/115 · confidence 4
GPT-4.1 Mini
40.4%
Rank #64/185 · confidence 4
GPT-5.2
40.4%
Rank #64/185 · confidence 4
GPT-4.1 Mini
4.5
Rank #39/47 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner40.7
Rank #10/47 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
28.6
Rank #46/56 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner58.5
Rank #24/56 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
52.7
Rank #48/55 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner80.8
Rank #11/55 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
17.5
Rank #80/90 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
66.4
Rank #81/96 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner90.3
Rank #19/96 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
4.6
Rank #82/96 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
14.8
Rank #83/99 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner42.2
Rank #22/99 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
winner82.0
Rank #32/90 · confidence 1 · eval date 2025-04-14
GPT-5.2
79.7
Rank #39/90 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
1022.0
Rank #60/66 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner1219.0
Rank #35/66 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
38.3
Rank #76/86 · confidence 1 · eval date 2025-04-14
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
GPT-4.1 Mini
52.9
Rank #66/84 · confidence 1 · eval date 2025-04-14
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 | GPT-4.1 Mini | 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 | GPT-4.1 Mini | GPT-5.2 |
|---|---|---|
150 tests | GPT-4.1 Mini speed / latency 99 tok/s / 2734ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
25 tests | GPT-4.1 Mini speed / latency 70 tok/s / 1372ms input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
5 tests | GPT-4.1 Mini speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 3553ms input / output No data |
5 tests | GPT-4.1 Mini speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 5256ms input / output No data |
5 tests | GPT-4.1 Mini speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 2953ms input / output No data |
GPT-4.1 Mini gpt-4.1-mini 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%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
