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Black Forest LabsAlternatives

FLUX 3 Image Klein Alternatives

21 alternatives to Black Forest Labs' FLUX 3 Image Klein, compared on price per image at the same tier, resolution and editing — all callable with the same API key.

Alternatives
21
8 developers
Cheaper
1
from $0.001/image
FLUX 3 Image Klein from
$0.0011/image
768
Higher resolution
0
FLUX 3 Image Klein is top

1 model

Cheaper than FLUX 3 Image Klein

  • FLUX.2 [klein] 4B

    Black Forest Labs · same family

    $0.001/image

    50% cheaper at 1K

    The fastest FLUX.2 — open weights, sub-second, a fraction of a cent

    • Lower price: $0.001/image vs $0.0019/image at 1K (50% less).

    Where FLUX 3 Image Klein is stronger: higher maximum resolution: 4K vs 2K; edits with up to 10 input images (vs 4).

20 models

Pricier, with something extra

  • $0.0048/image

    150% more at 1K

    Alibaba's 6B open model — photoreal images in 8 steps, under 1.5¢ each

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0048/image at 1K (60% less); higher maximum resolution: 4K vs 2K.

  • $0.0061/image

    221% more at 1K

    OpenAI's top image model — precise edits, perfect text, up to 4K

    • Edits with up to 16 input images (vs 10).

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0061/image at 1K (69% less); more aspect ratios: 16 vs 11.

  • $0.0061/image

    221% more at 1K

    The faster GPT Image 2.5 for everyday images and volume

    • Edits with up to 16 input images (vs 10).

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0061/image at 1K (69% less); more aspect ratios: 16 vs 11.

  • $0.0076/image

    616% more at lowest tier

    Krea's photographic image model in 8 steps — under 1.5¢ an image

    Where FLUX 3 Image Klein is stronger: lower starting price: $0.0011/image vs $0.0076/image; higher maximum resolution: 4K vs 1k 16:9.

  • $0.0154/image

    714% more at 1K

    The fastest, lowest-cost Seedream

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0154/image at 1K (88% less); higher maximum resolution: 4K vs 2K.

  • $0.0228/image

    1106% more at 1K

    Clear instruction following and stable text, at about 2 cents an image

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0228/image at 1K (92% less); higher maximum resolution: 4K vs 2K.

  • FLUX.2 [pro]

    Black Forest Labs · same family

    $0.0276/image

    1360% more at 1K

    Black Forest Labs' production image model — photoreal, fast, up to 4 MP

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0276/image at 1K (93% less); higher maximum resolution: 4K vs 4 MP.

  • Seedream 4.5

    ByteDance

    $0.0309/image

    322% more at 2K

    2K and 4K images and multi-image edits at one price

    Where FLUX 3 Image Klein is stronger: lower price: $0.0074/image vs $0.0309/image at 2K (76% less); more aspect ratios: 16 vs 8.

  • $0.0317/image

    1577% more at 1K

    High-quality Seedream images at a lower price

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0317/image at 1K (94% less); higher maximum resolution: 4K vs 2K.

  • FLUX 3

    Black Forest Labs · same family

    $0.0317/image

    1577% more at 1K

    Black Forest Labs' newest image model — grounded, layout-aware, up to 4K

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0317/image at 1K (94% less); more aspect ratios: 16 vs 15.

  • $0.032/image

    1589% more at 1K

    Google's newest Nano Banana — top-ranked quality at a quarter of Pro's price

    • Edits with up to 14 input images (vs 10).

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.032/image at 1K (94% less); more aspect ratios: 16 vs 14.

  • $0.0329/image

    1639% more at 1K

    xAI's top-ranked image model — photoreal, bold, fast

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0329/image at 1K (94% less); higher maximum resolution: 4K vs 2K.

  • $0.0333/image

    1659% more at 1K

    Production-grade image generation and precise editing

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0333/image at 1K (94% less); higher maximum resolution: 4K vs 2K.

  • FLUX.1 Kontext [pro]

    Black Forest Labs · same family

    $0.0348/image

    1738% more at 1K

    Instruction-based image editing that keeps characters consistent (legacy)

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0348/image at 1K (95% less); higher maximum resolution: 4K vs 1K.

  • $0.0357/image

    1788% more at 1K

    Alibaba's image model for dense text and layouts — menus, posters, infographics

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0357/image at 1K (95% less); higher maximum resolution: 4K vs 2K.

  • O

    MOSS Image

    OpenMOSS

    $0.0384/image

    1932% more at 1K

    Open 5B image model for bilingual text and layout control

    • Newer model (released October 16, 2026).

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0384/image at 1K (95% less); higher maximum resolution: 4K vs 2K.

  • FLUX.2 [flex]

    Black Forest Labs · same family

    $0.046/image

    2334% more at 1K

    FLUX.2 with adjustable steps and guidance — best for text and fine detail

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.046/image at 1K (96% less); higher maximum resolution: 4K vs 4 MP.

  • FLUX.2 [max]

    Black Forest Labs · same family

    $0.0644/image

    3307% more at 1K

    The highest-quality FLUX.2 for hero images

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0644/image at 1K (97% less); higher maximum resolution: 4K vs 4 MP.

  • FLUX.1 Kontext [max]

    Black Forest Labs · same family

    $0.0695/image

    3576% more at 1K

    Kontext with stronger prompt following and typography

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.0695/image at 1K (97% less); higher maximum resolution: 4K vs 1K.

  • $0.1197/image

    6233% more at 1K

    Gemini 3 Pro Image — studio-grade generation and editing up to 4K

    • Edits with up to 14 input images (vs 10).

    Where FLUX 3 Image Klein is stronger: lower price: $0.0019/image vs $0.1197/image at 1K (98% less); more aspect ratios: 16 vs 10.

Side by side

FLUX 3 Image Klein and its alternatives

Starting price at each model's lowest tier, with the specs that matter most.

FLUX 3 Image Klein alternatives: price and specs
ModelFromMax res.Edit inputsTasks
FLUX 3 Image Klein
Black Forest Labs
$0.0011/image
768
4KUp to 10Text to Image, Image Edit
FLUX.2 [klein] 4B
Black Forest Labs
$0.001/image
1K
2KUp to 4Text to Image, Image Edit
Z-Image Turbo
Alibaba
$0.0048/image
1K
2K—Text to Image
GPT Image 2.5
OpenAI
$0.0061/image
1K · low
4KUp to 16Text to Image, Image Edit
GPT Image 2.5 Flare
OpenAI
$0.0061/image
1K · low
4KUp to 16Text to Image, Image Edit
Krea 2 Turbo
Krea
$0.0076/image
1K square
1k 16:9—Text to Image
Seedream 5.0 Flash
ByteDance
$0.0154/image
1K
2KUp to 10Text to Image, Image Edit
Qwen-Image 3.0
Alibaba
$0.0228/image
1K
2KUp to 3Text to Image, Image Edit
FLUX.2 [pro]
Black Forest Labs
$0.0276/image
1 MP
4 MPUp to 8Text to Image, Image Edit
Seedream 4.5
ByteDance
$0.0309/image
2K
4KUp to 10Text to Image, Image Edit
Seedream 5.0 Lite
ByteDance
$0.0317/image
1K
2KUp to 10Text to Image, Image Edit
FLUX 3
Black Forest Labs
$0.0317/image
1K
4KUp to 10Text to Image, Image Edit
Nano Banana 2.1
Google
$0.032/image
1K
4KUp to 14Text to Image, Image Edit
Grok Imagine Image 2.0
xAI
$0.0329/image
1K · low
2KUp to 3Text to Image, Image Edit
Seedream 5.0 Pro
ByteDance
$0.0333/image
1K
2KUp to 10Text to Image, Image Edit
FLUX.1 Kontext [pro]
Black Forest Labs
$0.0348/image
Image
1KUp to 4Text to Image, Image Edit
Qwen-Image 3.0 Pro
Alibaba
$0.0357/image
1K
2KUp to 3Text to Image, Image Edit
MOSS Image
OpenMOSS
$0.0384/image
1K
2K—Text to Image
FLUX.2 [flex]
Black Forest Labs
$0.046/image
1 MP
4 MP—Text to Image
FLUX.2 [max]
Black Forest Labs
$0.0644/image
1 MP
4 MP—Text to Image
FLUX.1 Kontext [max]
Black Forest Labs
$0.0695/image
Image
1KUp to 4Text to Image, Image Edit
Nano Banana Pro
Google
$0.1197/image
1K
4KUp to 14Text to Image, Image Edit

FAQ

FLUX 3 Image Klein alternatives questions

For a lower price, FLUX.2 [klein] 4B ($0.001/image vs $0.0019/image at 1K). It depends on the job; the cards above list where each one wins.

Yes — 1 of the 21 alternatives here cost less at a comparable tier, cheapest first: FLUX.2 [klein] 4B $0.001/image. FLUX 3 Image Klein itself is $0.0011/image at 768, 87% below its official price.

Yes. Every model here runs on the same CheaperGen API and key: change the endpoint in POST /v1/run/{endpoint} and adjust the input fields for that model. Your balance, webhooks and polling stay the same.

GPT Image 2.5, GPT Image 2.5 Flare, Seedream 5.0 Flash, Qwen-Image 3.0, FLUX.2 [pro], Seedream 4.5, Seedream 5.0 Lite, FLUX 3, Nano Banana 2.1, Grok Imagine Image 2.0, Seedream 5.0 Pro, FLUX.1 Kontext [pro], Qwen-Image 3.0 Pro, FLUX.2 [flex], FLUX.2 [max], FLUX.1 Kontext [max], Nano Banana Pro are the developers' official models. FLUX.2 [klein] 4B, Z-Image Turbo, Krea 2 Turbo, MOSS Image are open-weights models, run on GPU inference for open-source models. CheaperGen does not own any of them.