How much does Flux 2 Dev cost?

Flux 2 Dev costs $0.12/image on CallMissed. 1 credit = ₹1 = $0.01 USD.

How do I use Flux 2 Dev via API?

Send a POST request to POST /v1/images/generations with model "flux-2-dev" and your API key. CallMissed uses the OpenAI-compatible format — just change the base URL and model field.

What is the context window of Flux 2 Dev?

Flux 2 Dev supports a N/A token context window with up to N/A output tokens.

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Image Generation

Flux 2 Dev

by Black Forest Labs · Released 2025

High-fidelity image generation model from Black Forest Labs. Produces detailed, photorealistic images at 1024×1024 resolution. Part of the Flux 2 family known for exceptional image quality and prompt adherence.

Image Generation

Flux 2 Dev

Context Window

N/A

Parameters

Undisclosed

Max Output

N/A

Overview

Flux 2 Dev is Black Forest Labs' high-fidelity image generation model, part of the Flux 2 family that has set new standards for photorealistic image generation. Built on a rectified flow Transformer architecture, it produces detailed, photorealistic images at 1024×1024 resolution with exceptional prompt adherence — accurately rendering complex scenes, specific objects, and detailed text in images.

The model uses a multi-step diffusion process that progressively refines images from noise, with each step adding detail and coherence. Flux 2 Dev is the development-focused variant, offering the best quality in the Flux 2 lineup with more inference steps for maximum fidelity. It excels at photorealistic scenes, product photography, architectural visualization, and any use case where image quality is paramount.

At $0.12 per image, Flux 2 Dev offers professional-grade image generation at a fraction of the cost of traditional stock photography or professional shoots. The OpenAI-compatible API makes integration straightforward for developers already using image generation in their workflows.

Pricing

Metric	Price
Price /image	₹12.0000

1 credit = ₹1 = $0.01 USD. Prices shown from provider; CallMissed passes through with ~35% markup.

Key Highlights

High-fidelity photorealistic output
1024×1024 default resolution
Strong prompt adherence
OpenAI-compatible API

Benchmarks

Benchmark	Score	Notes
Resolution	1024×1024	Default output resolution
Prompt Adherence	High	Accurately renders complex prompts
Text Rendering	Good	Can render text in images
Photorealism	Excellent	Near-photographic quality

Technical Details

Rectified flow Transformer architecture for high-fidelity generation
Multi-step diffusion process with progressive refinement
Default resolution: 1024×1024 pixels
Strong prompt adherence for complex scene descriptions
Text rendering capability within generated images
OpenAI-compatible API for easy integration

Strengths

Exceptional photorealistic quality — best in the Flux 2 family
Strong prompt adherence for complex, detailed scene descriptions
Can render readable text within images
Professional-grade output at $0.12 per image

Limitations

Slower generation than Flux 2 Klein due to more inference steps
Fixed resolution output — no native super-resolution
May struggle with very specific human faces or hands

Use Cases

Marketing visualsProduct mockupsCreative designSocial media content

API Example

curl https://api.callmissed.com/v1/images/generations \
  -H "Authorization: Bearer cm_YOUR_KEY" \
  -d '{"model": "flux-2-dev", "prompt": "A serene mountain landscape at sunset", "n": 1}'

Endpoint: POST /v1/images/generations · Model ID: flux-2-dev

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