Mercury 2.5 Preview

Last refreshed
2026-09-23
Status
Researched 23d ago
ProprietaryCommercial use: conditionalCodingRAGAgentsLong contextClassificationJSON / Tool useAgentCoding
Inception Labs releases · 1 in the last 12 monthsChangelog →
Specifications
Family
Mercury
Context
256K
Specialization
agentic
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Created by

Inception Labs is an AI company building diffusion-based large language models (dLLMs), a fundamentally different archit

San Francisco, CA
Founded 2024
Website
Pricing
Output / 1M
$0.750
Input / 1M
$0.200

Cheapest of 1 route · OpenRouter · cache read $0.020

About

Inception Mercury 2.5 (Preview) is a reasoning diffusion LLM (dLLM) listed on Inception's models page as the lab's most intelligent reasoning dLLM at its lowest list price. First-party product page (inceptionlabs.ai/models, retrieved 2026-09-01): 256K context window; reasoning, tool use, and structured output; use cases rapid coding iteration, agents/subagents, customer support, and enterprise search. List pricing on that page: USD 0.20 / 1M input, USD 0.02 / 1M cached input, USD 0.75 / 1M output. Site banner: live on OpenRouter.

Providers(1)

Compare API pricing across 1 tracked provider route for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MCacheRoute
OpenRouter$0.200$0.750read $0.020
Serverless

Capabilities

ReasoningJSON / Tool useStructured OutputsPrompt Caching

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

API versions

mercury-2.5-preview