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Black Forest Labs launches Dev Playground for comparing FLUX models

July 2, 2026 at 15:48 EDT

Media Generation
Software Dev & Coding
Foundation Models

Black Forest Labs on July 2, 2026 launched Dev Playground, a browser-based developer interface for testing existing and upcoming FLUX models. It lets users run the same prompt across multiple models at once and view results side by side, and includes parameter controls that mirror the production API.

July 2, 2026 · Black Forest Labs

Dev Playground: Test One Prompt Across Every FLUX Model, Side by Side

A new developer environment lets you compare FLUX models on the same prompt, tune real API parameters in the UI, and weigh quality, latency, and cost on the spot — replacing the old FLUX Playground.

core pillars: multi-model compare · UI API params · quality/latency/cost

FLUX models at launch, current and upcoming

API endpoint changes — direct callers face minimal impact

Model scale: FLUX.1 [dev] vs FLUX.2 [dev]

Parameter class, drawn to scale — next-gen jumps ~2.7×

12B

FLUX.1 [dev]

32B

FLUX.2 [dev]

The FLUX lineup at launch

FLUX.1 [dev]Non-commercial open weights (12B class)

FLUX.1 [schnell]Fast variant

FLUX.1 [pro]Commercial high-quality version

FLUX.1 KontextImage editing via text + image input

FLUX.2 [dev]Next-gen (32B class, enhanced physical-world understanding)

Old FLUX Playground
simple demo

→

Dev Playground
developer verification

→

Production API
same params, as-is

What carries over in the migration

An official environment fully compliant with API parameters — tested prompts run as-is in production, unlike third-party playgrounds.

Accounts, credits & subscriptions Exportable generation history Google / GitHub / SSO login Unchanged API endpoints

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