Inception Labs

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Inception Labs builds Mercury, diffusion-based language models that generate many tokens in parallel and are among the fastest available. Every new account or API key gets 100 million free tokens with no payment details required (raised from 10M on October 19, 2026, with 10x higher free-tier rate limits); you add billing only when they run low. It is a one-time sign-up grant, not a monthly allowance. OpenAI-compatible API.

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Overview

Provider Type

API

API Endpoint

https://api.inceptionlabs.ai/v1

Free Tier Highlights

Free-tier limits not published (raised 10x on Oct 192026)

Why Choose Inception Labs?

Inception Labs stands out for its exceptional performance and speed. With a developer-friendly API and comprehensive documentation, you can integrate AI capabilities into your applications within minutes.

Quick Start Guide

1

Create an account at platform.inceptionlabs.ai

2

Create an API key (100M free tokens included)

3

Call https://api.inceptionlabs.ai/v1/chat/completions with model mercury-3

Available Models

Model Name ID Context Capabilities
Mercury 3 Free
mercury-3
1 000 000
Function Calling Streaming
Mercury 2.5 Free
mercury-2.5
260 000
Function Calling Streaming
Mercury 2 Free
mercury-2
128 000
Function Calling Streaming

Free Tier Pricing & Limits

Rate Limit

Requests per minute

Free-tier limits not published (raised 10x on Oct 192026)

Daily Quota

Requests per day

No daily cap: one-time 100 000 000 token grant

Token Limit

Tokens per minute

100 000 000 tokens

Use Cases

Coding agents

Low-latency chat

Prototyping

Limitations & Considerations

One-time grant, not renewed

Free-tier rate limits not published

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