FLUX.2 [klein] 4B Alternatives
18 official alternatives to Black Forest Labs' FLUX.2 [klein] 4B, compared on price per image at the same tier, resolution and editing — all callable with the same API key.
- Alternatives
- 18
- 7 developers
- Cheaper
- 0
- none
- FLUX.2 [klein] 4B from
- $0.0007/image
- 1K
- Higher resolution
- 5
- up to 4K
18 models
Pricier, with something extra
Z-Image Turbo
Alibaba
$0.0017/image
143% more at 1K
Alibaba's 6B open model — photoreal images in 8 steps for a fraction of a cent
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0017/image at 1K (59% less); edits with up to 4 input images.
Krea 2 Turbo
Krea
$0.0055/image
686% more at lowest tier
Krea's photographic image model in 8 steps — under a cent an image
- More aspect ratios: 8 vs 7.
- Newer model (released June 22, 2026).
Where FLUX.2 [klein] 4B is stronger: lower starting price: $0.0007/image vs $0.0055/image; higher maximum resolution: 2K vs 1k 16:9.
GPT Image 2.5
OpenAI
$0.0066/image
843% more at 1K
OpenAI's top image model — precise edits, perfect text, up to 4K
- Higher maximum resolution: 4K vs 2K.
- Edits with up to 16 input images (vs 4).
- More aspect ratios: 11 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0066/image at 1K (89% less).
GPT Image 2.5 Flare
OpenAI
$0.0066/image
843% more at 1K
The faster GPT Image 2.5 for everyday images and volume
- Higher maximum resolution: 4K vs 2K.
- Edits with up to 16 input images (vs 4).
- More aspect ratios: 11 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0066/image at 1K (89% less).
Seedream 5.0 Flash
ByteDance
$0.0151/image
2057% more at 1K
The fastest, lowest-cost Seedream
- Edits with up to 10 input images (vs 4).
- More aspect ratios: 8 vs 7.
- Newer model (released September 10, 2026).
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0151/image at 1K (95% less).
Nano Banana 2.1
Google
$0.022/image
3043% more at 1K
Google's newest Nano Banana — top-ranked quality at a quarter of Pro's price
- Higher maximum resolution: 4K vs 2K.
- Edits with up to 14 input images (vs 4).
- More aspect ratios: 14 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.022/image at 1K (97% less).
$0.022/image
3043% more at 1K
xAI's top-ranked image model — photoreal, bold, fast
- More aspect ratios: 13 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.022/image at 1K (97% less); edits with up to 4 input images (vs 3).
Qwen-Image 3.0
Alibaba
$0.0227/image
3143% more at 1K
Clear instruction following and stable text, at about 2 cents an image
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0227/image at 1K (97% less); edits with up to 4 input images (vs 3).
FLUX.2 [pro]
Black Forest Labs · same family
$0.0264/image
3671% more at 1K
Black Forest Labs' production image model — photoreal, fast, up to 4 MP
- Edits with up to 8 input images (vs 4).
- More aspect ratios: 10 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0264/image at 1K (97% less); higher maximum resolution: 2K vs 4 MP.
FLUX.1 Kontext [pro]
Black Forest Labs · same family
$0.0275/image
3829% more at 1K
Instruction-based image editing that keeps characters consistent (legacy)
- More aspect ratios: 9 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0275/image at 1K (97% less); higher maximum resolution: 2K vs 1K.
Seedream 5.0 Lite
ByteDance
$0.0303/image
4229% more at 1K
High-quality Seedream images at a lower price
- Edits with up to 10 input images (vs 4).
- More aspect ratios: 8 vs 7.
- Newer model (released June 28, 2026).
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0303/image at 1K (98% less).
Qwen-Image 3.0 Pro
Alibaba
$0.0315/image
4400% more at 1K
Alibaba's image model for dense text and layouts — menus, posters, infographics
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0315/image at 1K (98% less); edits with up to 4 input images (vs 3).
Seedream 5.0 Pro
ByteDance
$0.0322/image
4500% more at 1K
Production-grade image generation and precise editing
- Edits with up to 10 input images (vs 4).
- More aspect ratios: 8 vs 7.
- Newer model (released July 8, 2026).
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0322/image at 1K (98% less).
FLUX 3
Black Forest Labs · same family
$0.0423/image
5943% more at 1K
Black Forest Labs' newest image model — grounded, layout-aware, up to 4K
- Higher maximum resolution: 4K vs 2K.
- Edits with up to 10 input images (vs 4).
- More aspect ratios: 15 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0423/image at 1K (98% less).
FLUX.2 [flex]
Black Forest Labs · same family
$0.044/image
6186% more at 1K
FLUX.2 with adjustable steps and guidance — best for text and fine detail
- More aspect ratios: 9 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.044/image at 1K (98% less); higher maximum resolution: 2K vs 4 MP.
FLUX.1 Kontext [max]
Black Forest Labs · same family
$0.055/image
7757% more at 1K
Kontext with stronger prompt following and typography
- More aspect ratios: 9 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.055/image at 1K (99% less); higher maximum resolution: 2K vs 1K.
FLUX.2 [max]
Black Forest Labs · same family
$0.0616/image
8700% more at 1K
The highest-quality FLUX.2 for hero images
- More aspect ratios: 9 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.0616/image at 1K (99% less); higher maximum resolution: 2K vs 4 MP.
Nano Banana Pro
Google
$0.099/image
14043% more at 1K
Gemini 3 Pro Image — studio-grade generation and editing up to 4K
- Higher maximum resolution: 4K vs 2K.
- Edits with up to 14 input images (vs 4).
- More aspect ratios: 10 vs 7.
Where FLUX.2 [klein] 4B is stronger: lower price: $0.0007/image vs $0.099/image at 1K (99% less); newer model (released January 15, 2026).
Side by side
FLUX.2 [klein] 4B and its alternatives
Starting price at each model's lowest tier, with the specs that matter most.
| Model | From | Max res. | Edit inputs | Tasks |
|---|---|---|---|---|
| FLUX.2 [klein] 4B Black Forest Labs | $0.0007/image 1K | 2K | Up to 4 | Text to Image, Image Edit |
| Z-Image Turbo Alibaba | $0.0017/image 1K | 2K | — | Text to Image |
| Krea 2 Turbo Krea | $0.0055/image 1K square | 1k 16:9 | — | Text to Image |
| GPT Image 2.5 OpenAI | $0.0066/image 1K · low | 4K | Up to 16 | Text to Image, Image Edit |
| GPT Image 2.5 Flare OpenAI | $0.0066/image 1K · low | 4K | Up to 16 | Text to Image, Image Edit |
| Seedream 5.0 Flash ByteDance | $0.0151/image 1K | 2K | Up to 10 | Text to Image, Image Edit |
| Nano Banana 2.1 Google | $0.022/image 1K | 4K | Up to 14 | Text to Image, Image Edit |
| Grok Imagine Image 2.0 xAI | $0.022/image 1K · low | 2K | Up to 3 | Text to Image, Image Edit |
| Qwen-Image 3.0 Alibaba | $0.0227/image 1K | 2K | Up to 3 | Text to Image, Image Edit |
| FLUX.2 [pro] Black Forest Labs | $0.0264/image 1 MP | 4 MP | Up to 8 | Text to Image, Image Edit |
| FLUX.1 Kontext [pro] Black Forest Labs | $0.0275/image Image | 1K | Up to 4 | Text to Image, Image Edit |
| Seedream 5.0 Lite ByteDance | $0.0303/image 1K | 2K | Up to 10 | Text to Image, Image Edit |
| Qwen-Image 3.0 Pro Alibaba | $0.0315/image 1K | 2K | Up to 3 | Text to Image, Image Edit |
| Seedream 5.0 Pro ByteDance | $0.0322/image 1K | 2K | Up to 10 | Text to Image, Image Edit |
| FLUX 3 Black Forest Labs | $0.0423/image 1K | 4K | Up to 10 | Text to Image, Image Edit |
| FLUX.2 [flex] Black Forest Labs | $0.044/image 1 MP | 4 MP | — | Text to Image |
| FLUX.1 Kontext [max] Black Forest Labs | $0.055/image Image | 1K | Up to 4 | Text to Image, Image Edit |
| FLUX.2 [max] Black Forest Labs | $0.0616/image 1 MP | 4 MP | — | Text to Image |
| Nano Banana Pro Google | $0.099/image 1K | 4K | Up to 14 | Text to Image, Image Edit |
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