Data points: 130
The readout for GPT-5.2 and Kimi K2, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
130 data points
Includes 32 benchmark rows, 0 audit samples, and 8 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.
Model compare GPT-5.2 vs Kimi K2gpt-5-2-vs-kimi-k2 | Model A GPT-5.2 | Model B Kimi K2 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Average speed, Provider coverage, Recent tests | First-token latency, Free providers |
| Model metadata | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. | Kimi K2 exposes 262.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
| Developer | OpenAI | Moonshot AI |
| Context window | 128K tokens | 262.1K tokens |
| Max output | 16.4K tokens | 262.1K tokens |
| Released | Dec 2025 | Sep 2025 |
| Modalities | Input FileImageText Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode | Text inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | 2024-12-31 |
| OpenRouter ID | openai/gpt-5.2-chat | moonshotai/kimi-k2-0905 |
| References | No data | No data |
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
67.1
Avg. score
Kimi K2
57.2
Selected category
Instruction following
GPT-5.2 leads by 33.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.2
winner78.0
Rank #16/81 · confidence 2 · eval date 2025-12-11
Kimi K2
41.0
Rank #53/81 · confidence 1 · eval date 2025-07-01
GPT-5.2
122.43 s
Rank #83/83 · confidence 4
Kimi K2
winner1.51 s
Rank #27/83 · confidence 4
GPT-5.2
122.43 s
Rank #83/83 · confidence 4
Kimi K2
winner1.51 s
Rank #41/83 · confidence 4
GPT-5.2
winner80.8 tok/s
Rank #43/83 · confidence 4
Kimi K2
23.8 tok/s
Rank #82/83 · confidence 4
GPT-5.2
$14.00/M
Rank #76/96 · confidence 4
Kimi K2
winner$2.50/M
Rank #45/96 · confidence 4
GPT-5.2
$4.81/M
Rank #76/96 · confidence 4
Kimi K2
winner$1.07/M
Rank #46/96 · confidence 4
GPT-5.2
$1.75/M
Rank #70/96 · confidence 4
Kimi K2
winner$0.600/M
Rank #46/96 · confidence 4
GPT-5.2
winner72.7
Rank #7/56 · confidence 2 · eval date 2025-12-11
Kimi K2
51.0
Rank #39/56 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner87.4%
Rank #7/74 · confidence 4
Kimi K2
81.9%
Rank #34/74 · confidence 4
GPT-5.2
winner90.3%
Rank #11/104 · confidence 4
Kimi K2
76.7%
Rank #56/104 · confidence 4
GPT-5.2
winner35.4%
Rank #11/104 · confidence 4
Kimi K2
6.3%
Rank #69/104 · confidence 4
GPT-5.2
winner88.9%
Rank #3/70 · confidence 4
Kimi K2
61.0%
Rank #31/70 · confidence 4
GPT-5.2
winner48.7
Rank #8/60 · confidence 2 · eval date 2025-12-11
Kimi K2
22.1
Rank #48/60 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner52.1
Rank #8/62 · confidence 2 · eval date 2025-12-11
Kimi K2
34.5
Rank #50/62 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner52.1%
Rank #9/102 · confidence 4
Kimi K2
30.7%
Rank #81/102 · confidence 4
GPT-5.2
winner47.0
Rank #9/58 · confidence 2 · eval date 2025-12-11
Kimi K2
15.9
Rank #45/58 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner78.7
Rank #18/68 · confidence 2 · eval date 2025-12-11
Kimi K2
53.4
Rank #41/68 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner80.9
Rank #16/51 · confidence 2 · eval date 2025-12-11
Kimi K2
51.3
Rank #38/51 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner35.4
Rank #7/62 · confidence 2 · eval date 2025-12-11
Kimi K2
7.0
Rank #44/62 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner91.1
Rank #7/66 · confidence 2 · eval date 2025-12-11
Kimi K2
56.0
Rank #39/66 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner90.3
Rank #8/62 · confidence 2 · eval date 2025-12-11
Kimi K2
76.6
Rank #40/62 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner43.8
Rank #9/57 · confidence 2 · eval date 2025-12-11
Kimi K2
26.8
Rank #31/57 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner51.3
Rank #9/65 · confidence 2 · eval date 2025-12-11
Kimi K2
26.3
Rank #48/65 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner79.7
Rank #26/57 · confidence 2 · eval date 2025-12-11
Kimi K2
74.2
Rank #34/57 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner1240.0
Rank #21/46 · confidence 2 · eval date 2025-12-11
Kimi K2
1096.0
Rank #39/46 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner75.4
Rank #8/59 · confidence 2 · eval date 2025-12-11
Kimi K2
41.5
Rank #42/59 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner84.9
Rank #14/56 · confidence 2 · eval date 2025-12-11
Kimi K2
83.5
Rank #19/56 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner48.3
Rank #13/51 · confidence 2 · eval date 2025-12-11
Kimi K2
1.2
Rank #51/51 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner1467.0
Rank #13/56 · confidence 2 · eval date 2025-12-11
Kimi K2
525.0
Rank #51/56 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner60.2
Rank #18/56 · confidence 2 · eval date 2025-12-11
Kimi K2
24.3
Rank #47/56 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner84.8
Rank #21/57 · confidence 2 · eval date 2025-12-11
Kimi K2
61.1
Rank #40/57 · confidence 1 · eval date 2025-07-01
GPT-5.2
winner59.2
Rank #26/68 · confidence 2 · eval date 2025-12-11
Kimi K2
30.2
Rank #57/68 · confidence 1 · eval date 2025-07-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 | Kimi K2 |
|---|---|---|
| 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 |
|---|---|---|
N1N15 tests | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data | Kimi K2 speed / latency N/A / N/A input / output No data |
Rnglg2 API5 tests | GPT-5.2 speed / latency 55 tok/s / 1434ms input / output No data | Kimi K2 speed / latency N/A / N/A input / output No data |
Yun API5 tests | GPT-5.2 gpt-5.2 speed / latency 32 tok/s / 1965ms input / output $0.0027/M / $0.0027/M | Kimi K2 kimi-k2-0905 speed / latency N/A / N/A input / output $0.548/M / $2.19/M |
小水管 API5 tests | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data | Kimi K2 speed / latency N/A / N/A input / output No data |
10dian-API0 tests | GPT-5.2 gpt-5.2 speed / latency N/A / N/A input / output $0.010/M / $0.010/M | Kimi K2 kimi-k2-0905(次模型) speed / latency N/A / N/A input / output $0.100/M / $0.100/M |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.0068/M / $0.0068/M | Kimi K2 kimi-k2-250905 speed / latency No data input / output $0.548/M / $2.19/M | |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.0068/M / $0.0068/M | Kimi K2 kimi-k2-250905 speed / latency No data input / output $0.548/M / $2.19/M | |
GPT-5.2 gpt-5.2 speed / latency No data input / output $0.050/M / $0.050/M | Kimi K2 kimi-k2-0905 speed / latency No data input / output $0.010/M / $0.010/M |
This report only uses LMSpeed data for GPT-5.2 and Kimi K2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.2 | Kimi K2 |
|---|---|---|
| When to choose each model | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Average speed, Provider coverage, Recent tests. | Kimi K2 Kimi K2 is stronger when you prioritize First-token latency, Free providers. |
TL;DR: GPT-5.2 leads across 130 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.2 vs Kimi K2 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
