# Gemini 2.5 Flash Preview: AI model fact sheet

- **Provider:** google
- **Released:** 2025-04-17
- **Context window:** 1,048,576 tokens
- **Parameters:** Not disclosed
- **API pricing:** $0.15 / 1M input, $0.60 / 1M output
- **OpenRouter ID:** google/gemini-2.5-flash-preview
- **Capabilities:** conversation, reasoning, code-generation, analysis

Google's state-of-the-art workhorse model, designed for advanced reasoning, coding, mathematics, and scientific tasks. Features hybrid reasoning (thinking on/off) with configurable budgets, balancing quality, cost, and latency.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| LMArena Hard Prompts | High (second only to 2.5 Pro) |
| SWE-bench Verified | 60.4% |

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