FLUX.2 [klein] 9B costs between $0.012 and $0.015 per image at 1024×1024 depending on the provider. Cheapest derived path: fal.ai at $0.012. Prices stamped 2026-09-07; labels below state how each number was obtained.
FLUX.2 [klein] 9B pricing
The small open-weights FLUX.2 variant — near-flagship output at budget per-image rates, also self-hostable.
How much does FLUX.2 [klein] 9B cost per image?
| Provider | Price /image (1024²) | Provider's own unit | vs official | Status | Source |
|---|---|---|---|---|---|
| Black Forest Labs | $0.015 | $0.015 first megapixel + $0.002 each additional MPUSD per megapixel | — | Verified2026-09-07 | source |
| fal.aicheapest | $0.012 | $0.012 per megapixelUSD per megapixel (1024×1024 ≈ 1 MP) | -20% | Derived2026-09-07 | source |
How these numbers were computed
- fal.ai: fal.ai per-megapixel rate captured in the FairStack operational cost audit, 2026-03-23 (price-audit-full.json) (listed $0.011/MP); endpoint flux-2-klein-9b. 1024×1024 bills as 1 MP.
Billed $0.015 for the first megapixel plus $0.002 per additional MP; a 1024×1024 output is one billed megapixel. Open weights — self-hosting is always an estimate.
What would FLUX.2 [klein] 9B cost you?
| Model · provider | $/image (1024²) | Total | Status |
|---|---|---|---|
| FLUX.2 [klein] 9B · fal.ai | $0.012 | — | derived |
| FLUX.2 [klein] 9B · Black Forest Labs | $0.015 | — | verified |
Totals use the normalized canonical rate (USD per image at 1024×1024, default quality). Resolution multipliers, minimum charges, and tier effects can change real invoices — check each model page.
Price history
- 2026-09-07 — Added to the index: official prices read live from the provider's public pricing page (verified), aggregator rates carried from the operator's cost audit (2026-03-23).
Every future change to a FLUX.2 [klein] 9B price lands in the public change log.
Frequently asked
How much does FLUX.2 [klein] 9B cost per image?
FLUX.2 [klein] 9B costs between $0.012 and $0.015 per 1024×1024 image depending on the provider and tier (stamped 2026-09-07).
What do 1,000 images cost with FLUX.2 [klein] 9B?
Between $12 and $15 for 1,000 images at 1024×1024, using the normalized canonical rate. Real invoices vary with resolution, quality tier, and input-token charges.
What is the cheapest way to run FLUX.2 [klein] 9B?
The lowest derived price in the index is $0.012/image via fal-ai. Check the label — only live-verified prices are guaranteed current.
Compare
Data provenance: Official prices read live from the provider's public pricing page on 2026-09-07; aggregator rates carried from the FairStack operational cost audit, 2026-03-23 (price-audit-full.json). For quality benchmarks (not pricing), seeArtificial Analysis — we index cost, they index quality.