# Inception: Mercury 2.5 Preview

Provider: inception  
Category: llm  
Model ID: `inception/mercury-2.5-preview`

Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception. Instead of generating tokens sequentially, Mercury 2.5 produces and refines multiple tokens in parallel, achieving...

## Specs

- Context length: 260000 tokens
- Max output: 65536 tokens
- Modalities: text
- Released: 2026-08-31

## Pricing

- Input: $0.04 per million tokens
- Output: $0.15 per million tokens

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Last verified: 2026-09-04T02:00:56.012Z  
Canonical URL: https://switchy.build/directory/models/mercury-2-5-preview