Data points: 86
The readout for GPT-4o and GPT-5.2, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
86 data points
Includes 8 benchmark rows, 1 audit samples, and 10 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare GPT-4o vs GPT-5.2gpt-4o-vs-gpt-5-2 | Model A GPT-4o | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Average speed, Recent tests | Cheapest input price, First-token latency, Free providers, Provider coverage |
| Model metadata | GPT-4o exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | OpenAI | OpenAI |
| Context window | 128K tokens | 128K tokens |
| Max output | 16.4K tokens | 16.4K tokens |
| Released | Nov 2024 | Dec 2025 |
| Modalities | Input TextImageFile Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2023-10-31 | No data |
| OpenRouter ID | openai/gpt-4o-2024-11-20 | openai/gpt-5.2-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-4o | GPT-5.2 |
|---|---|---|
| LiveCodeBench | 30.9%#78 | 88.9%#4 |
| MMLU-Pro | 74.8%#58 | 87.4%#6 |
| Time to first answer token | 0.51 s#8 | 115.69 s#109 |
| GPQA | 54.3%#114 | 90.3%#9 |
| HLE | 3.3%#101 | 35.4%#9 |
| SciCode | 33.3%#82 | 52.1%#9 |
| Time to first token | 0.51 s#11 | 115.69 s#108 |
| Input price | $2.50/M#37 | $1.75/M#35 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-4o | GPT-5.2 |
|---|---|---|
钠 APIWinner: GPT-4o | GPT-4o gpt-4o Audit score 76 72727088 | GPT-5.2 gpt-5.2 No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-4o | GPT-5.2 |
|---|---|---|
速创API20 tests | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
N1N15 tests | GPT-4o speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
CatClaw API10 tests | GPT-4o speed / latency 57 tok/s / 3381ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
KFCV505 tests | GPT-4o speed / latency 48 tok/s / 13138ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
ModelPool5 tests | GPT-4o speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 5256ms input / output No data |
GPT-4o gpt-4o speed / latency No data input / output $0.0013/M / $0.0050/M | GPT-5.2 gpt-5.2-chat speed / latency No data input / output $0.037/M / $0.300/M | |
GPT-4o gpt-4o speed / latency No data input / output $0.0013/M / $0.0050/M | GPT-5.2 gpt-5.2-chat speed / latency No data input / output $0.037/M / $0.300/M | |
GPT-4o gpt-4o-all-c speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0.216/M / $1.73/M | |
GPT-4o gpt-4o-all speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0.240/M / $1.92/M | |
GPT-4o gpt-4o-all speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0.240/M / $1.92/M |
This report only uses LMSpeed data for GPT-4o and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-4o | GPT-5.2 |
|---|---|---|
| When to choose each model | GPT-4o GPT-4o is stronger when you prioritize Average speed, Recent tests. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, First-token latency, Free providers, Provider coverage. |
TL;DR: GPT-5.2 leads across 86 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-4o vs GPT-5.2 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.
