AI model · Inception
Mercury 2
Model ID: inception/mercury-2
- Input
- $0.25 per 1M tokens
- Output
- $0.75 per 1M tokens
- Context
- 128K tokens at once
- Max output
- 50K tokens per reply
- Released
- 4 Mar 2026 Inception
What it can do
- YesReasoning
- YesTool calling
- NoImage input
- NoOpen weights
- NoFree to use
Takes text; gives text.
How its listing describes it
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM). Instead of generating tokens sequentially, Mercury 2 produces and refines multiple tokens in parallel, achieving...
Sources
- Inception: Mercury 2 on OpenRouter — read 2 Oct 2026