Mercury

mercury Tool Calling Structured Output

Mercury is the first diffusion large language model (dLLM). Applying a breakthrough discrete diffusion approach, the model runs 5-10x faster than even speed optimized models like GPT-4.1 Nano and Claude...

Providers 2

Released Jun 26, 2025

Input Modalities text

Output Modalities text

Tarsk Use coding

Available Providers (2)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
OpenRouter	`inception/mercury`	$0.25/MTok	$0.75/MTok	128K	32K
Inception	`mercury`	$0.25/MTok	$1.00/MTok	128K	16.4K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output