AI Model APIs
AI Model APIsProviders
AI Model APIs

The complete platform for comparing AI models. Find pricing, capabilities, and the perfect model for your use case.

contact@aimodelapis.com

Resources

  • AI Models APIs
  • Providers

About

  • About
  • Contact
  • Privacy Policy
  • Terms of Service

© 2026 AI Model APIs. All rights reserved.

Back to Models
OpenRouter

FLUX.2 Flex API

OpenRouter
About

Integrate multimodal vision capabilities using FLUX.2 Flex, designed to process both text and images seamlessly. This model delivers available completely free of charge. Access FLUX.2 Flex via the OpenRouter API with up to 67K output tokens.

Capabilities

Input Modalities

imagetext

Output Modalities

image
Reasoning
No
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
67K

Tokens

Input Limit
67K

Tokens

Max Output
67K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

FLUX.2 Flex by OpenRouter costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
black-forest-labs/flux.2-flex
Provider
OpenRouter
Family
flux
Release Date
Nov 25, 2025
Knowledge Cutoff
Jun 1, 2025
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1
Documentation