FLUX 3 Klein
Black Forest Labs' compact image model, included in every NeverNo plan, even Free: about five seconds a picture, with the best arena rating of the included models.
Updated November 9, 2026
At a glance
| Maker | Black Forest Labs |
|---|---|
| Strengths in the app | Fast, Text in images |
| Arena Elo (Artificial Analysis) | 1,043 |
| Typical wait | about 5 s |
| Who can use it | Everyone, Free plan included |
| How it’s paid | Included in the plan’s daily allowance, then credits |
| Privacy | Anonymized: NeverNo sends the request to its maker without your name, account or IP address. The maker still reads the text, applies its own rules and may keep it for a while under its own policy. |
Price
What the app charges, read from the same table the servers bill with. 1 credit = $0.01.
| Image | 0.6 credits ($0.006) |
|---|
Included in the plan’s daily allowance first; these prices apply beyond it.
What it is
FLUX 3 Klein is the small, quick member of the FLUX family from Black Forest Labs, and one of the two image models included in every NeverNo plan, the Free plan among them. The Studio tags it fast and text. A typical 1-megapixel image takes about 5 seconds, measured on Runware, our image provider, and it draws on the daily image quota rather than on credits. Whatever you choose, the routine stays simple: write the description, pick a proportion and a style preset, then press once and read the four variants in a row. Keep the rest of the description plain and let the preset do the styling.
On the Artificial Analysis text-to-image arena, read on November 8, 2026, it holds an Elo of 1043. That is higher than the other included model, Z-Image Turbo (936), and it also sits above Qwen Image 2.1 Turbo (1027). Only the premium models rank above it, such as FLUX 3 at 1117 and GPT Image 2.6 at 1259. For an included image, that makes it the Studio's usual pick when you leave the model on Auto, and the sensible first stop when your picture needs written words.
It is anonymized. NeverNo sends the request to Black Forest Labs without your name, account or IP address. The lab still reads the prompt and applies its own content rules, so a request it declines may be drawn by an included model instead. The pictures themselves are stored in your browser, not in a gallery on our servers.
The Studio works as usual with it: a description of up to 1,500 characters, fifteen style presets, eight aspect ratios and up to four variants per request. At five seconds a picture, a set of four variants arrives in the time other models need for one, which makes comparing wordings cheap. Where does it fit in a working session? Think of it as the default lane. Most requests, a cover idea, a thumbnail, a product sketch, never need more than an included picture, so you open the Studio, leave the model on Auto or choose this one, and spend nothing from your balance. When a result is nearly right but lacks richness, that is the moment to step up to FLUX 3 or a model from another lab, carrying the same wording across so the comparison stays fair.
Strengths
Included in the Free plan, on the daily image quota, with no credits to spend.
About 5 seconds for a typical 1-megapixel image (measured on Runware).
Tagged for text, so signs, titles and labels have a fair chance of coming out legible.
The highest Elo of the two included image models: 1043 on the Artificial Analysis arena, read November 8, 2026.
Anonymized access: Black Forest Labs does not receive your name, NeverNo account or IP address.
Limits
Anonymized, not private: the lab reads the prompt and applies its own rules, and some requests it declines are drawn by an included model instead.
Its Elo of 1043 is well under FLUX 3 (1117) and the OpenAI models; very busy scenes and fine detail show the gap.
About twice as slow as Z-Image Turbo, which takes around 3 seconds.
The daily image quota of your plan caps how many you can make.
When to choose it
Posters and headers with a few words
A title over a landscape, a shop sign in a street scene, a menu board: put the exact words in quotes and let the model place them. It suits community notices, club flyers, newsletter headers and slide covers where a short phrase must read correctly.
Daily free image work
Blog illustrations, social posts, thumbnails and mood boards that need a decent picture on a zero-credit budget. Choose among eight aspect ratios, from 9:16 for stories to 16:9 for video thumbnails, and ask for up to four variants to pick the best.
Drafting before a premium render
Settle composition and wording here, then send the same description to FLUX 3 or GPT Image 2.6 when you want more detail for the final version. Credits are spent only on the idea that survived.
Prompt tips
Write the words you want to see between quotation marks and say where they go, for example "a wooden sign above the door reading 'Bakery'". Keep them short; one or two words render most reliably.
Name the subject first, then the framing, light and mood. Style presets such as cinematic or watercolor add a tested description, which is shorter than a pile of adjectives.
Ask for four variants when a wording is new to you. At around five seconds an image, you see four readings of the same sentence quickly and can keep the closest one.
Frequently asked questions
Is FLUX 3 Klein free on NeverNo?
Yes. It is included in every plan, the Free plan too, and runs on the daily image quota instead of credits.
How fast is FLUX 3 Klein?
A typical 1-megapixel image takes about 5 seconds, measured on Runware, our image provider.
Does Black Forest Labs know who I am?
No name, account or IP address is sent; the request is anonymized. The lab still reads the prompt and applies its own rules, and your images are stored in your browser.
FLUX 3 Klein or Z-Image Turbo?
Both are included. FLUX 3 Klein scores higher on the arena (1043 versus 936, Artificial Analysis, read November 8, 2026) and is tagged for text; Z-Image Turbo is quicker, about 3 seconds, and is served by NeverNo's own image provider.
FLUX 3 Klein or FLUX 3?
FLUX 3 has the higher Elo (1117) and more detail, but it is paid in credits and takes about 20 seconds. FLUX 3 Klein is included and takes about 5.