Introducing Mercury 2.5

Read the blog

Introducing Mercury 2.5

Models

Build high-performance AI apps with Mercury

Inception’s diffusion LLMs (dLLMs) deliver frontier LLM quality at 5x greater speed.

Get Started

Trusted by teams at

Overview

(Un)paralled speeds

Our models run at 1000+ tokens per second on commercial NVIDIA GPUs, enabling instant, in-the-flow AI solutions.

(Un)paralled speeds

Our models run at 1000 tokens per second on commercial NVIDIA GPUs, enabling instant, in-the-flow AI solutions.

Exceptional Quality

Comparable quality to cost-optimized frontier models like GPT-5.6 Luna (Low), Gemini 3.5 Flash-Lite, and Claude Haiku 4.5.

Exceptional Quality

We match the intelligence of speed-optimized autoregressive models like GPT-5.2 and Claude Sonnet 4.5.

Seamless integration

Our models are OpenAI compatible and a drop-in replacement for traditional LLMs.

Discover our models

80% OFF

Mercury 2.5

Our most intelligent reasoning dLLM, at our lowest price. Ideal for the most complex applications where quality and speed matter.

Get Started

Docs

Pricing

Input

$0.20 $0.04 /1M Tokens

Cached Input

$0.02 $0.004 /1M Tokens

Output

$0.75 $0.15 /1M Tokens

Features

260K context window

Reasoning

Tool use

Structured output

Use cases

Rapid coding iteration

Agents and Subagents

Customer support

Enterprise search

Mercury Voice

Our dLLM optimized for voice agents, delivers time-to-first-token (TTFT) under 170ms and fast.

Contact sales

Pricing

For more details on pricing, please contact sales.

Features

128K context window

Reasoning

Tool use

Structured output

Use cases

Customer support

Patient care

Education

Gaming

Mercury Router

Understand user prompts and route tasks to the best models according to quality, speed, and cost.

Contact Sales

Pricing

For more details on pricing, please contact sales.

Features

Model routing

Routing analytics

Model analytics

Why route

Lower costs

Higher quality

Faster response

Mercury Router

Understand user prompts and route tasks to the best models according to quality, speed, and cost.

Contact Sales

Pricing

For more details on pricing, please contact sales.

Features

Model routing

Routing analytics

Model analytics

Why route

Lower costs

Higher quality

Faster response

* Mercury 1, 2, and Mercury Edit 2 remain supported for existing customers. For access or migration guidance, contact your Inception representative or view our docs.

Get started with Mercury today

Read our Docs

Create your account

Create an Inception Platform account or sign in directly if you already have one.

Create your API Key

Go to API Keys and create a new API key. New API keys comes with 10 million free tokens

Make your first request

We are OpenAI API compatible and are supported through libraries including AISuite, LiteLLM, and LangChain.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import requests
 
response = requests.post(
    'https://api.inceptionlabs.ai/v1/chat/completions',
    headers={
        'Content-Type': 'application/json',
        'Authorization': 'Bearer INCEPTION_API_KEY'
    },
    json={
        'model': 'mercury-2',
        'messages': [
            {'role': 'user', 'content': 'What is a diffusion model?'}
        ],
        'max_tokens': 1000
    }
)
data = response.json()

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import requests
 
response = requests.post(
    'https://api.inceptionlabs.ai/v1/chat/completions',
    headers={
        'Content-Type': 'application/json',
        'Authorization': 'Bearer INCEPTION_API_KEY'
    },
    json={
        'model': 'mercury-2',
        'messages': [
            {'role': 'user', 'content': 'What is a diffusion model?'}
        ],
        'max_tokens': 1000
    }
)
data = response.json()