Flux 2 Flex vs Flux 2 Max
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Flux 2 Flex costs 1.5 credits at its 1 megapixel default and returned our test edit in about 25 seconds. Flux 2 Max costs 2 credits at the same default and took about 41 seconds on the identical prompt. Flex is the cheaper, faster pick at default and mid resolution. Push both up to a 4 megapixel output and that flips, because Max's price barely moves with resolution while Flex's climbs fast. We placed the same character into the same rainy street scene with both on August 26, 2026 and kept the first result from each.
Same character, same street, two Flux 2 tiers
Every example below was produced on PixelDojo. Hover to see the prompt.
Place this exact woman on a bicycle crossing a rainy city crosswalk at dusk, neon shop signs reflecting in puddles, cinematic wide shot, keep her face, glasses, red curly hair, denim jacket and yellow shirt identical
Flux 2 Flex
Place this exact woman on a bicycle crossing a rainy city crosswalk at dusk, neon shop signs reflecting in puddles, cinematic wide shot, keep her face, glasses, red curly hair, denim jacket and yellow shirt identical
Flux 2 Max
Price, speed, and what each one actually rendered
Price at the default resolution
Flux 2 Flex is 1.5 credits at its 1 megapixel default. Flux 2 Max is 2 credits at the same default. Flex is 25 percent cheaper for a same-size image.
The price gap flips at high resolution
Both models are priced per resolution tier: 0.5, 1, 2, and 4 megapixels. Flex runs 1, 1.5, 3, and 5 credits across those tiers. Max runs 2, 2, 3, and 4 credits. Flex is cheaper at 0.5 and 1 megapixel, ties Max at 2 megapixels, and costs more than Max at the 4 megapixel ceiling. Pick Flex for quick, smaller output and Max when you actually need the largest size.
Measured speed
Flex finished in about 25 seconds. Max took about 41 seconds on the same reference edit, roughly 64 percent longer. Both numbers move with queue load.
What Flux 2 Flex's output looked like
The woman kept her face, round glasses, red curly hair, denim jacket, and yellow shirt while riding a bicycle through the crosswalk. The scene came back with saturated neon signage on both sides of the street, two cars with headlights visible in frame, and a wider view of the crosswalk and sidewalk. The rain read as sharp reflective streaks in the neon light.
What Flux 2 Max's output looked like
The same identity markers carried through: face, glasses, red curly hair, denim jacket, yellow shirt. The framing sat tighter on the subject, no cars in view, and the palette pulled back to a more muted, overcast tone with the background signage pushed into soft blur. It read as a calmer, more atmospheric take on the same brief.
Both take up to 10 reference images
Flex and Max share the same multi-image edit path: send 1 to 10 reference image URLs alongside the prompt and either model composes from them instead of generating blank. Neither charges extra for using references.
One reference edit, two Flux 2 tiers, same day. Flex: 1.5 credits, about 25 seconds. Max: 2 credits, about 41 seconds.
How It Works
How we ran the comparison, so you can repeat it:
Send the same reference and prompt to both
We used the same character reference sheet and the identical bicycle crosswalk edit prompt on Flux 2 Flex and Flux 2 Max at their 1 megapixel defaults, on August 26, 2026.
Keep the first result from each
No retries, no reroll. Flex returned in about 25 seconds for 1.5 credits. Max returned in about 41 seconds for 2 credits.
Check the resolution tier before picking one on price alone
Flex is cheaper through 2 megapixels. If the job needs the 4 megapixel tier, Max actually costs less at that size, 4 credits against Flex's 5.
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Common Questions
Everything you need to know about Flux 2 Flex vs Flux 2 Max
Which is cheaper, Flux 2 Flex or Flux 2 Max?
Flex, at the default and lower resolution tiers: 1 credit at 0.5 megapixels and 1.5 at 1 megapixel against Max's flat 2 credits at both. They tie at 2 megapixels, 3 credits each. At the 4 megapixel ceiling Max is actually cheaper, 4 credits against Flex's 5.
Which one is faster?
Flex. Our run finished in about 25 seconds against about 41 seconds for Max on the identical reference edit, timed the same day.
Does the price gap change with resolution?
Yes, and it reverses. Flex is cheaper through 2 megapixels, then Max becomes the cheaper option at the 4 megapixel tier. If you always render at the largest size, check both prices before assuming Flex is the budget pick.
What's the visual difference between them?
On our rainy street edit, Flex kept a wider, busier frame with two cars and brighter neon reflections. Max cropped in tighter on the subject with a calmer, more muted palette and a softer background. Both preserved the character's face, glasses, hair, jacket, and shirt correctly.
Can both edit an existing image?
Yes. Flex and Max share the same multi-image edit input: up to 10 reference image URLs alongside the prompt, at no extra credit cost for using them.
How do I call these from the API?
POST to /api/v1/models/flux-2-flex/run or /api/v1/models/flux-2-max/run with the same API key and the same request shape, just a different apiId in the path.