Data points: 133
Model compare
The readout for GPT-5.2 and Kimi K2.5, 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 69.1 to 30.9.
Evidence depth
133 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 GPT-5.2 and Kimi K2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.2 | Kimi K2.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 69.1 pts | 30.9 pts |
| Benchmark category leads | 5 categories | 2 categories |
| Operational advantages | First-token latency, Free providers, Provider coverage | Cheapest input price, Average speed |
| Context window | 400K tokens | 262.1K tokens |
| Max output | 128K tokens | 262.1K 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 | Kimi K2.5 |
|---|---|---|
| Developer | OpenAI | MoonshotAI |
| Released | Dec 2025 | Jan 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.2 | moonshotai/kimi-k2.5 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.2 and Kimi K2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Agents, Coding, Knowledge, Math, Instruction following) and operational dimensions (First-token latency, Free providers, Provider coverage).
Kimi K2.5
Kimi K2.5 is stronger in benchmark categories (Reasoning, Multimodal) and operational dimensions (Cheapest input price, 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
52.8
Avg. score
Kimi K2.5
49.7
GPT-5.2 leads by 8.2
GPT-5.2 leads by 8.0
Kimi K2.5 leads by 1.4
GPT-5.2 leads by 9.7
GPT-5.2 leads by 6.7
Kimi K2.5
Kimi K2.5 leads by 15.3
GPT-5.2 leads by 0.7
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.2
53.0
Rank #50/84 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner56.0
Rank #41/84 · confidence 4 · eval date 2026-02-01
GPT-5.2
$1.75/M
Rank #120/162 · confidence 4
Kimi K2.5
winner$0.600/M
Rank #80/162 · confidence 4
GPT-5.2
$4.81/M
Rank #132/162 · confidence 4
Kimi K2.5
winner$1.20/M
Rank #85/162 · confidence 4
GPT-5.2
$14.00/M
Rank #133/162 · confidence 4
Kimi K2.5
winner$3.00/M
Rank #85/162 · confidence 4
GPT-5.2
61.4
Rank #22/25 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner81.9
Rank #10/25 · confidence 4 · eval date 2026-02-01
GPT-5.2
81.4%
Rank #54/125 · confidence 4
Kimi K2.5
winner87.1%
Rank #11/125 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner72.7
Rank #13/89 · confidence 3 · eval date 2025-12-11
Kimi K2.5
65.3
Rank #44/89 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner11.6
Rank #20/73 · confidence 3 · eval date 2025-12-11
Kimi K2.5
3.1
Rank #41/73 · confidence 4 · eval date 2026-02-01
GPT-5.2
71.2%
Rank #110/188 · confidence 4
Kimi K2.5
winner78.9%
Rank #79/188 · confidence 4
GPT-5.2
7.3%
Rank #109/187 · confidence 4
Kimi K2.5
winner12.3%
Rank #84/187 · confidence 4
GPT-5.2
winner53.5
Rank #6/33 · confidence 3 · eval date 2025-12-11
Kimi K2.5
17.5
Rank #23/33 · confidence 2 · eval date 2026-02-01
GPT-5.2
winner80.0
Rank #12/43 · confidence 3 · eval date 2025-12-11
Kimi K2.5
76.8
Rank #22/43 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner52.1
Rank #18/96 · confidence 3 · eval date 2025-12-11
Kimi K2.5
49.0
Rank #25/96 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner55.6
Rank #25/37 · confidence 3 · eval date 2025-12-11
Kimi K2.5
50.7
Rank #34/37 · confidence 4 · eval date 2026-02-01
GPT-5.2
52.2
Rank #34/65 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner52.5
Rank #33/65 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner40.4%
Rank #64/185 · confidence 4
Kimi K2.5
39.6%
Rank #76/185 · confidence 4
GPT-5.2
winner40.7
Rank #10/47 · confidence 3 · eval date 2025-12-11
Kimi K2.5
27.9
Rank #21/47 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner18.8
Rank #11/35 · confidence 3 · eval date 2025-12-11
Kimi K2.5
4.2
Rank #22/35 · confidence 4 · eval date 2026-02-01
GPT-5.2
58.5
Rank #24/56 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner62.8
Rank #20/56 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner80.8
Rank #11/55 · confidence 3 · eval date 2025-12-11
Kimi K2.5
57.4
Rank #42/55 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
Kimi K2.5
34.3
Rank #37/90 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner90.3
Rank #19/96 · confidence 3 · eval date 2025-12-11
Kimi K2.5
87.9
Rank #33/96 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
Kimi K2.5
29.4
Rank #31/96 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner42.2
Rank #22/99 · confidence 3 · eval date 2025-12-11
Kimi K2.5
35.4
Rank #44/99 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner79.7
Rank #39/90 · confidence 3 · eval date 2025-12-11
Kimi K2.5
64.6
Rank #58/90 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner79.5
Rank #10/27 · confidence 3 · eval date 2025-12-11
Kimi K2.5
78.5
Rank #15/27 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner70.3
Rank #11/35 · confidence 3 · eval date 2025-12-11
Kimi K2.5
67.0
Rank #18/35 · confidence 4 · eval date 2026-02-01
GPT-5.2
1224.0
Rank #37/66 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner1279.0
Rank #22/66 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
Kimi K2.5
70.2
Rank #38/86 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner34.3
Rank #7/20 · confidence 3 · eval date 2025-12-11
Kimi K2.5
8.7
Rank #19/20 · confidence 4 · eval date 2026-02-01
GPT-5.2
84.8
Rank #44/84 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner95.9
Rank #11/84 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner65.8
Rank #19/25 · confidence 3 · eval date 2025-12-11
Kimi K2.5
60.6
Rank #24/25 · confidence 4 · eval date 2026-02-01
GPT-5.2
winner46.5
Rank #29/50 · confidence 3 · eval date 2025-12-11
Kimi K2.5
45.9
Rank #30/50 · confidence 4 · eval date 2026-02-01
GPT-5.2
22.0
Rank #48/53 · confidence 3 · eval date 2025-12-11
Kimi K2.5
winner29.0
Rank #45/53 · confidence 4 · eval date 2026-02-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 | Kimi K2.5 |
|---|---|---|
| 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 | Kimi K2.5 |
|---|---|---|
40 tests | GPT-5.2 speed / latency 52 tok/s / 2671ms input / output No data | Kimi K2.5 speed / latency 38 tok/s / 22910ms input / output No data |
15 tests | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data | Kimi K2.5 speed / latency N/A / N/A input / output No data |
10 tests | GPT-5.2 speed / latency 94 tok/s / 11492ms input / output No data | Kimi K2.5 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 | Kimi K2.5 speed / latency 65 tok/s / 9952ms input / output No data |
10 tests | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data | Kimi K2.5 speed / latency 14 tok/s / 32712ms input / output No data |
GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0/request | Kimi K2.5 kimi-k2.5 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 modeReasoning | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
