Inception: Mercury 3

proprietary

Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date.

Context
1M
Max output
131K
Input price
$0.1/1M tokens
Output price
$0.35/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming

Details

Model IDinception/mercury-3
Provider OpenRouter
Creator Inception Labs
Family—
Licenseproprietary
Status—
Type—
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output131K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.1
Output
$0.35
Cache write
—
Cache read
$0.01
Batch in
—
Batch out
—

API

GET/v1/models/openrouter/inception/mercury-3

Inception: Mercury 3

inception/mercury-3

Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date.

Changes · 2 entries
inception/mercury-3createca7a400Nov 2, 2026, 03:02 AM
inception/mercury-3create42a9895Oct 20, 2026, 06:39 AM