# Gemini 2.5 Pro (I/O Edition): AI model fact sheet

- **Provider:** google
- **Released:** 2025-05-06
- **Training cutoff:** Jan 2025
- **Parameters:** Not disclosed
- **API pricing:** $1.25 / 1M input, $10.00 / 1M output
- **OpenRouter ID:** google/gemini-2.5-pro-preview
- **Capabilities:** conversation, reasoning, code-generation, analysis

Our most advanced reasoning model, capable of solving complex problems. Best for multimodal understanding, reasoning over complex problems, complex prompts, tackling multi-step code, math and STEM problems, coding (especially web development), and analyzing large datasets/codebases/documents with long context. Knowledge cutoff Jan 2025.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gemini-2.5-pro-preview-05-06