OpenAI: GPT-5.2 Pro vs Google: Gemini 3.1 Pro Preview
Compare these two models side-by-side to help you make the best choice for your needs
OpenAI: GPT-5.2 Pro
PremiumDescription
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...
Strengths
- •Multimodal understanding with text and image support
- •Large context window (400k tokens)
Best For
Image and document understanding
Google: Gemini 3.1 Pro Preview
PremiumDescription
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Strengths
- •Multimodal understanding with text and image support
- •Large context window (1049k tokens)
Best For
Image and document understanding
| Feature | OpenAI: GPT-5.2 Pro | Google: Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | OpenRouter | OpenRouter |
| Context Length | 400,000 tokens | 1,048,576 tokens |
| Input Price | $21.00/M | $2.00/M |
| Output Price | $168.00/M | $12.00/M |
| Vision Support | Yes | Yes |
| Premium | Yes | Yes |
| Capabilities | TextVision | TextVision |