Data points: 81
The readout for GPT-5.2 and Kimi K2.5, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
81 data points
Includes 8 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Tie
The charts below split 18 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.2 vs Kimi K2.5gpt-5-2-vs-kimi-k2-5 | Model A GPT-5.2 | Model B Kimi K2.5 |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Cheapest input price, First-token latency, Provider coverage | Average speed, Free providers, Recent tests |
| Model metadata | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. | Kimi K2.5 exposes 262.1K tokens; notable signals: Text input, Image input, Text output, Tool calling. |
| Developer | OpenAI | Moonshot AI |
| Context window | 128K tokens | 262.1K tokens |
| Max output | 16.4K tokens | 262.1K tokens |
| Released | Dec 2025 | Jan 2026 |
| Modalities | Input FileImageText Output Text | Input TextImage Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.2-chat | moonshotai/kimi-k2.5 |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.2 | Kimi K2.5 |
|---|---|---|
| GPQA | 90.3%#9 | 87.9%#16 |
| HLE | 35.4%#9 | 29.4%#14 |
| SciCode | 52.1%#9 | 49.0%#14 |
| Input price | $1.75/M#35 | $0.580/M#21 |
| Output price | $14.00/M#43 | $3.00/M#28 |
| Blended price | $4.81/M#62 | $1.19/M#43 |
| Time to first token | 115.69 s#108 | 1.27 s#49 |
| Output speed | 72.8 tok/s#71 | 47.1 tok/s#93 |
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 |
|---|---|---|
星见雅 API40 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 |
N1N15 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 |
PackyAPI10 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 |
TradingBase API10 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 |
小水管 API10 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 speed / latency No data input / output $0.240/M / $1.92/M | Kimi K2.5 kimi-k2.5-20260127 speed / latency No data input / output $0.0021/M / $0.0021/M | |
GPT-5.2 gpt-5.2 speed / latency No data input / output $0.0027/M / $0.0027/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.548/M / $3.01/M | |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.0068/M / $0.0068/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.548/M / $2.88/M | |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.0068/M / $0.0068/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.548/M / $2.88/M | |
GPT-5.2 gpt-5.2 speed / latency No data input / output $0.050/M / $0.050/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.010/M / $0.010/M |
This report only uses LMSpeed data for GPT-5.2 and Kimi K2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.2 | Kimi K2.5 |
|---|---|---|
| When to choose each model | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, First-token latency, Provider coverage. | Kimi K2.5 Kimi K2.5 is stronger when you prioritize Average speed, Free providers, Recent tests. |
TL;DR: Tie leads across 81 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.2 vs Kimi K2.5 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.
