FLUX 3 Image Klein API Pricing Per Image
FLUX 3 Image Klein costs $0.0011–$0.0342 per image, by size. That's up to 87% below the official price.
- Per image from
- $0.0011
- 768
- At 1K
- $0.0019/image
- official $0.009/image
- Per 1,000 from
- $1.07
- 768
- Below official
- up to 87%
Try it
Try FLUX 3 Image Klein — see the exact price first
Runs on your balance at the price on the button; failed runs are refunded. Results are saved to your account.
Per image
FLUX 3 Image Klein price per image by size
Our price with the official list price struck through, and what 1,000 images cost.
| Size | Per image | Per 1,000 |
|---|---|---|
768 768×768 | $0.0011 With a monthly plan: Max $0.001 | $1.07 |
1K 1024×1024 | $0.0019 With a monthly plan: Pro $0.0018Max $0.0017 | $1.89 |
1.5K 1536×1536 | $0.0043 With a monthly plan: Pro $0.004Max $0.0038 | $4.25 |
2K 2048×2048 | $0.0074 With a monthly plan: Pro $0.0069Max $0.0065 | $7.33 |
4K ≈16 MP | $0.0342 | $34.20 |
Edit 1K 1–10 reference images | $0.0085 | $8.50 |
Edit 2K 1–10 reference images | $0.0133 | $13.30 |
Edit 4K 1–10 reference images | $0.0342 | $34.20 |
Monthly plans lower prices on most models (shown under each price); you can still pay as you go. Pro $499/month · Max $4,999/month.
- Official price: BFL API list price for FLUX 3 Image Klein ($0.008 at 768², $0.009 at 1K, $0.011 at 1.5K, $0.014 at 2K, $0.036 at 4K; BFL charges the same for an edit) — https://docs.bfl.ai/quick_start/pricing#flux-3-image-klein. Verified October 18, 2026; our prices are live.
Calculator
What FLUX 3 Image Klein costs for your volume
Pick a size and a monthly volume. Every figure is a live quote, so per-image billing is exact.
Per month · 100 generations
0.11
$0.80 at the official price
- Per image
- 0.002
- Per kept image
- 0.002
- Saved per month
- $0.69
- Saved per year
- $8.33
Live prices · failed generations are free
At volume
From per image to per batch
Totals at 768, 1K, 1.5K and 4K.
| Images | 768 | 1K | 1.5K | 4K |
|---|---|---|---|---|
| 1 | $0.002 | $0.002 | $0.005 | $0.035 |
| 10 | $0.011 | $0.019 | $0.043 | $0.35 |
| 100 | $0.11 | $0.19 | $0.43 | $3.42 |
| 1,000 | $1.07 | $1.89 | $4.25 | $34.20 |
| 10,000 | $10.62 | $18.90 | $42.48 | $342.00 |
- Unit. One output image, at the size you pick.
- Edits. Edits are billed like generated images of the same size.
- Notes. Editing has its own price per output size (the Edit rows: 1K, 2K or 4K), the same however many reference images (up to 10). Served without BFL's prompt upsampler: your prompt reaches the model as written.
- Failed = free. Failed generations, and jobs cancelled while queued, are refunded in full.
- Price first. POST /v1/quote/bfl/flux-3-image-klein/text-to-image returns the exact price of any request, free.
Compare
FLUX 3 Image Klein per image vs other image APIs
Every image model we offer at 1K, cheapest first — each at its lowest price for that size. FLUX 3 Image Klein is number 2 of 20.
| # | Model | Tier | Per image | Official |
|---|---|---|---|---|
| 1 | FLUX.2 [klein] 4B Black Forest Labs | 1K | $0.001/image | |
| 2 | FLUX 3 Image Klein Black Forest Labs | 1K | $0.0019/image | |
| 3 | Z-Image Turbo Alibaba | 1K | $0.0048/image | |
| 4 | GPT Image 2.5 OpenAI | 1K · low | $0.0061/image | |
| 5 | GPT Image 2.5 Flare OpenAI | 1K · low | $0.0061/image | |
| 6 | Seedream 5.0 Flash ByteDance | 1K | $0.0154/image | |
| 7 | Qwen-Image 3.0 Alibaba | 1K | $0.0228/image | |
| 8 | FLUX.2 [pro] Black Forest Labs | 1 MP | $0.0276/image | |
| 9 | Seedream 5.0 Lite ByteDance | 1K | $0.0317/image | |
| 10 | FLUX 3 Black Forest Labs | 1K | $0.0317/image |
Price per image is one input; quality, speed and features differ. Quality levels differ between models; the tier column names each.
FAQ
FLUX 3 Image Klein price per image questions
FLUX 3 Image Klein is Black Forest Labs' open-weights model. CheaperGen provides API access to the open weights, run on GPU inference for open-source models, and does not own the model. Trademarks belong to their respective owners.