FLUX.2 [flex] costs between $0.012 and $0.05 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 [flex] pricing
The tunable FLUX.2 tier — trade inference steps and quality against cost, billed per megapixel.
How much does FLUX.2 [flex] cost per image?
| Provider | Price /image (1024²) | Provider's own unit | vs official | Status | Source |
|---|---|---|---|---|---|
| Black Forest Labs | $0.05 | $0.05 per megapixelUSD per megapixel | — | Verified2026-09-07 | source |
| fal.aicheapest | $0.012 | $0.012 per image (default settings)USD per image | -76% | Derived2026-09-07 | source |
How these numbers were computed
- fal.ai: fal.ai flex text-to-image rate captured in the FairStack operational cost audit, 2026-03-23 (price-audit-full.json); endpoint flux-2-flex-t2i-fal. Flex pricing varies with step count — fal's default configuration bills below BFL's list per-MP rate.
BFL lists [flex] at a flat $0.05 per megapixel. fal.ai's flex endpoint was audited far cheaper ($0.012) — the spread is real and flagged below until the next scrape re-verifies both.
What would FLUX.2 [flex] cost you?
| Model · provider | $/image (1024²) | Total | Status |
|---|---|---|---|
| FLUX.2 [flex] · fal.ai | $0.012 | — | derived |
| FLUX.2 [flex] · Black Forest Labs | $0.050 | — | 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 [flex] price lands in the public change log.
Frequently asked
How much does FLUX.2 [flex] cost per image?
FLUX.2 [flex] costs between $0.012 and $0.05 per 1024×1024 image depending on the provider and tier (stamped 2026-09-07).
What do 1,000 images cost with FLUX.2 [flex]?
Between $12 and $50 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 [flex]?
The lowest derived price in the index is $0.012/image via fal-ai. Check the label — only live-verified prices are guaranteed current.
Why is FLUX.2 [flex] so much cheaper on fal.ai than on BFL's API?
Flex pricing scales with inference steps. fal.ai's default-settings endpoint was audited at $0.012 per image (2026-03-23), while BFL lists a flat $0.05 per megapixel. Both numbers are shown with their labels; the weekly scrape re-verifies the spread.
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.