LLM Reference
OpenRouter

Using Mercury 2.5 Preview on OpenRouter

Implementation guide · Mercury · Inception Labs

Serverless

OpenRouter exposes Mercury 2.5 Preview through model ID inception/mercury-2.5-preview. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-09-01. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call inception/mercury-2.5-preview — see the documentation for request format.
  3. 3
    You'll be billed $0.20/1M input, $0.75/1M output tokens. See full pricing.

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.20
Output tokens$0.75

Capabilities

ReasoningJSON / Tool useStructured OutputsPrompt Caching

About Mercury 2.5 Preview

Inception Mercury 2.5 (Preview) is a reasoning diffusion LLM (dLLM) listed on Inception's models page as the lab's most intelligent reasoning dLLM at its lowest list price. First-party product page (inceptionlabs.ai/models, retrieved 2026-09-01): 256K context window; reasoning, tool use, and structured output; use cases rapid coding iteration, agents/subagents, customer support, and enterprise search. List pricing on that page: USD 0.20 / 1M input, USD 0.02 / 1M cached input, USD 0.75 / 1M output. Site banner: live on OpenRouter.

Model Specs

Context262k

More Models on OpenRouter

Provider

OpenRouter
OpenRouter

OpenRouter, Inc.

New York, NY, USA