Gemini 2.5 Pro Preview 05-06 vs GPT-5.2-Codex
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Gemini 2.5 Pro Preview 05-06 vs GPT-5.2-Codex: side by side
| Spec | Gemini 2.5 Pro Preview 05-06 | GPT-5.2-Codex | Winner |
|---|---|---|---|
| Intelligence | — | 40.1 | Tie |
| Output speed | — | 139 t/s | Tie |
| Output price | $10.00/1M | $14.00/1M | Gemini 2.5 Pro Preview 05-06 |
| Context | 1049K | 400K | Gemini 2.5 Pro Preview 05-06 |
| Params | — | — | Tie |
| Provider | OpenAI | Tie |
Gemini 2.5 Pro Preview 05-06
Pros
- +Very large context window
- +Native support for multiple modalities
- +Strong cross-modal reasoning
Cons
- –Preview version may show variability
- –High resource use with maximum context
- –Occasional modality-specific inconsistencies
GPT-5.2-Codex
Pros
- +Very large context window for extended inputs
- +Strong coding specialization
- +Seamless integration of text and image data
Cons
- –Restricted to text and image modalities
- –High resource demands at maximum context length
- –No native support for audio or video
Frequently asked questions
It depends on your needs. Gemini 2.5 Pro Preview 05-06 and GPT-5.2-Codex are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.