# Mercury 2.5: AI model fact sheet

- **Provider:** inception
- **Released:** 2026-09-08
- **Context window:** 260,000 tokens
- **API pricing:** $0.04 / 1M input, $0.15 / 1M output
- **OpenRouter ID:** inception/mercury-2.5
- **Capabilities:** conversation, reasoning, code-generation, tool-use

Inception Mercury 2.5 is a diffusion-based language model for text and code generation, with a 260K context window on OpenRouter.

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