Mercury 2.5 Preview is Inception's language model with a 260K context window and up to 66K output tokens, starting at $0.04 / 1M input and $0.15 / 1M output. A diffusion-based large language model that generates and refines multiple tokens in parallel for fast reasoning-oriented text generation.
Specifications
Canonical IDinception-mercury-2-5-preview
TypeLanguage
StatusActive
CreatorInceptionInception
Providers
Context Window260K tokens
Max Output66K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 3 days ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
OpenRouter logo
OpenRouter
inception/mercury-2.5-preview
$0.04$0.15$0.004

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Mercury 2.5 Preview260K$0.040$0.150Current
Mercury 2128K$0.250$0.750Available
Mercury 2 Edit32K$0.250$0.750Available
Mercury Coder Small Beta32K$0.250$1.00Available
MercuryAvailable
Mercury CoderAvailable

Model IDs

inception-mercury-2-5-preview
inception/mercury-2.5-preview