---
title: "flux-2-flex — image generation score and price · Undominated.ai"
canonical: https://undominated.ai/images/bfl__flux-2-flex/
description: "flux-2-flex by Black Forest Labs: Text to image 1156.5 ±3.4; $0.050 per 1024×1024 image at Black Forest Labs; 1 seller; as of 2026-09-19. Every figure traces to its source."
---

# flux-2-flex — image generation score and price · Undominated.ai

> flux-2-flex by Black Forest Labs: Text to image 1156.5 ±3.4; $0.050 per 1024×1024 image at Black Forest Labs; 1 seller; as of 2026-09-19. Every figure traces to its source.

[Image generation](/images/)

# flux-2-flex

Black Forest Labs

$0.050 per 1024×1024 image, cheapest of 1 seller (Black Forest Labs)

Dominated: [qwen-image-edit](/images/alibaba__qwen-image-edit/) scores higher and costs less. As of 2026-09-19 .

## What was measured

| Board | Elo | Rank (UB) | Votes | Published |
| --- | --- | --- | --- | --- |
| Text to image | 1156.5 ±3.4 | 23 | 149,288 | 2026-09-08 |
| Image edit | 1225.2 ±3.2 | 36 | 415,750 | 2026-09-08 |

## What sellers charge

| Seller | As the seller states it | Conditions | Normalised per 1024×1024 image | Source |
| --- | --- | --- | --- | --- |
| Black Forest Labs | 0.05 per_megapixel | megapixelIsUnit | $0.050 per megapixel, seller counts 1024x1024 as one | docs.bfl.ai read 2026-09-06 · verified |
| FLUX.2 table: "FLUX.2 [flex] | from $0.05" text-to-image. Megapixel-based; 1024 x 1024 is one megapixel per the page's own footnote. | | | | |

## Provenance

 - Quality: https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset, licensed cc-by-4.0.
 - Prices: https://docs.bfl.ai/quick_start/pricing
 - Built 2026-09-19 from the catalogue snapshot in this repository.

Arena Leaderboard Dataset by Arena (lmarena-ai), https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Filtered to the "overall" category; no scores were altered.