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Compare AI models

Choose two models from the same AI category to compare equivalent plans, capabilities and technical details.

Black Forest Labs

FLUX — Black Forest Labs

97%
OpenAI

ChatGPT Images

84%

Estimated Belliste score, based on the available capabilities, quality, features and pricing information. It is an indicative profile estimate, not an independent benchmark.

How this profile estimate is calculated

Capabilities contribute 35%, quality wording 30%, listed features 20%, and pricing 15% when available. When capability fields are absent, specialization breadth supplies a 25% fallback. Missing categories are omitted and the remaining weights are rescaled. The estimate uses each model’s own published profile; it does not measure answer accuracy or replace a hands-on test.

OverviewFLUX — Black Forest LabsChatGPT Images
PriceAPI from $0.014/image · FLUX 3 Image from $0.041 list priceFree $0/month · Go from $8/month
Free planNo general free hosted API tier · selected open-weight models available for local useYes
Paid plans—Go $8/month (US; localized pricing may vary) · Plus $20/month · Pro $200/month
Usage limits—Image generation is available on all ChatGPT tiers. Go provides expanded image creation versus Free; exact usage limits vary by plan and system conditions.
vs
Specialization—Image Generation · Image Editing · Text Rendering
Quality—Excellent instruction following and text rendering with strong photorealism and precise conversational editing.
Features—Text-to-Image · Image-to-Image · Image Editing · Reference Images · Text Rendering · Transparent Background · API Access

Key comparison

SpecificationFLUX — Black Forest LabsChatGPT Images
Starting PriceAPI from $0.014/image (FLUX.2 klein 4B) · FLUX 3 Image list price from $0.041 at 768×768Free $0/month · Go from $8/month
Text-to-ImageFLUX 3 Image + FLUX.2 unified text-to-image generationYes
Image EditingUnified image editing in FLUX.2 · FLUX 3 Image supports image-to-image · specialized FLUX editing toolsConversational editing · selection-based edits · uploaded-image editing
Maximum ResolutionFLUX 3 Image: up to 4K (~16 MP tier) · FLUX.2: up to 4 MP (e.g. 2048×2048)Up to 3840×2160 (4K UHD) · >2560×1440 experimental
Reference ImagesFLUX.2: up to 8 refs via API / 10 in Playground on pro/max; klein up to 4; dev up to 6Uploaded reference images · multi-image editing supported via API
Character ConsistencyFLUX.2 multi-reference identity/character consistency · up to 8–10 references on pro/maxHigh-fidelity reference-based editing; consistency depends on input and prompt
Text RenderingExcellent · FLUX.2 flex specializes in typography; FLUX.2 family improves reliable text renderingExcellent
PhotorealismExcellent · FLUX.2 emphasizes high-detail photorealism and spatial/lighting realismExcellent
UpscalingImage-specific standalone upscaler not listed as a core BFL image endpoint; higher-resolution generation available up to FLUX 3 Image 4KNo dedicated upscaler · custom output up to 4K via GPT Image API
API AccessBlack Forest Labs API · pay-as-you-go image generation/editing endpointsImages API + Responses API
Commercial UseBFL API includes commercial rights; open-weight commercial use depends on model license/tierYes — subject to OpenAI terms and policies

Pricing

2 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Free PlanNo general free hosted API tier · FLUX.2 dev is free for non-commercial local development · FLUX.2 klein 4B open weights use Apache 2.0Yes
Usage Limits / CreditsPay-as-you-go · 1 credit = $0.01 · FLUX.2 priced by megapixel/model · FLUX 3 Image priced by resolution tierPlan-based usage limits

Overview

3 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Primary Use CaseProfessional image generation & image editingImage Generation & Editing
Best ForDevelopers / Creative production / Marketing / Product visualization / E-commerce / DesignCreators / Professionals / Everyday Users / Business
PlatformsBFL Playground · API · local/open-weight deployment for selected modelsWeb / iOS / Android

Image Generation

4 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Image-to-ImageFLUX 3 Image image-to-image · FLUX.2 multi-reference generation/editingYes
Aspect RatiosMultiple supported aspect ratios by model/resolution tier · output dimensions rounded to model requirementsCustom · 1:3 to 3:1 · any ratio within supported limits
Batch GenerationBatch requests supported · cost multiplies by number of generated imagesNot disclosed
Prompt EnhancementStrong complex prompt following · FLUX.2 supports up to 32K text input tokensYes — conversational prompt refinement

Image Editing

6 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
InpaintingFLUX.1 Fill pro for masked inpainting / generative fillSelection-based regional editing
OutpaintingFLUX Outpainting tool · megapixel-based pricingGenerative extension via resize / prompt-based editing
Object RemovalFLUX Eraser dedicated removal toolYes
Background RemovalNo dedicated BFL background-removal endpoint documented as a core FLUX image toolEditor Remove tool · transparent background supported
Background ReplacementPrompt/image editing workflows can replace scene/background contentPrompt-based background replacement
Generative FillFLUX.1 Fill pro · masked content generation and replacementPrompt-based regional generation / replacement

Control & Consistency

4 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Style ControlMulti-reference style guidance · precise color/hex control · FLUX.2 flex offers fine-grained guidance/stepsNatural-language style control
Style ReferenceMulti-reference editing supports style and visual-reference guidanceReference-image + prompt-based style guidance
Pose / Composition ControlFLUX.2 JSON control system · pose guidance · generative expand/shrinkPrompt + reference-image composition control
Seed ControlSeed parameter available on supported FLUX API generation endpointsNo public seed parameter

Quality & Design

3 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Typography / Logo GenerationStrong typography, infographics, UI mockups and design asset generation; raster outputStrong text rendering · poster/logo templates available
Vector GenerationNo native SVG/vector output documented for core FLUX image modelsRaster output only · PNG / JPEG / WebP
Transparent BackgroundNo dedicated transparent-background output documented across core FLUX generation familyYes · PNG/WebP alpha transparency

Models & Customization

4 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Available ModelsFLUX 3 Image · FLUX.2 max/pro/flex/klein/dev · FLUX.1 Kontext · FLUX1.1 · Fill/Eraser/Outpainting toolsGPT Image 2.5 Sunburst / Flare · GPT Image 2 via API
Model SelectionChoose model/variant by quality, speed, typography, cost, editing or local-deployment needsAutomatic in ChatGPT · selectable model in API
Custom ModelsOpen-weight FLUX.2 models can be customized under applicable licensesNo
Model TrainingFine-tuning & LoRA rights included with BFL open-weight commercial licensing tiersNo

Developer & Integration

2 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
IntegrationsBFL Playground · REST API · open-weight/local deployment via supported distributionsChatGPT · Codex · OpenAI API
Automation SupportREST API · batch generation · production deployment optionsYes · Images API / Responses API

Commercial & Business

2 specifications +
SpecificationFLUX — Black Forest LabsChatGPT Images
Team PlanNo seat-based hosted subscription · open-weight Builder/Platform/Professional licenses include 10 licensed usersYes — ChatGPT Business
Enterprise PlanEnterprise: all models/new releases · custom volume/domains/users · permissive commercial use · API + weights pricingYes — ChatGPT Enterprise

Explore more comparisons

Compare each model with other close options in the same AI category.

FLUX — Black Forest Labs
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Midjourney
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FLUX — Black Forest Labs
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Stable Diffusion
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