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AI Image - FLUX.2 Flex

Utilisation commerciale OK 380+ modèles Pas de filigrane Pas besoin d'inscription
Modèle:
+ GPT-5, Claude, Gemini
Image model Premium
FLUX.2 Flex — FLUX.2 Flex is a image model by Black Forest Labs, available on Free.ai. Each image costs approximately 45,000 tokens. Compare against our self-hosted models which run free within your daily limit.
~5000 jetons/par image
0%
Starting generation...

What is FLUX.2 Flex?

FLUX.2 Flex is a image model by Black Forest Labs, available on Free.ai. Each image costs approximately 45,000 tokens. Compare against our self-hosted models which run free within your daily limit.

Why use FLUX.2 Flex for image generation?

Text-to-image

Type a description, get an image. Style, aspect ratio, and batch count are all controllable from the form above.

Aspect ratios

Square, landscape, portrait, 4:3, 3:4. Pick the ratio in the form so the model frames the shot for that shape.

Batch generate

Pick 1, 2, or 4 in the count field above. For larger fan-outs use /image/generate/ which sends one prompt to multiple models in parallel.

Commercial use OK

No watermark, outputs are yours. Commercial use is in scope across every model on Free.ai.

Sample prompts

A neon-drenched Tokyo alley in the rain, cinematic 35mm photo, ultra-detailed
Cozy cabin in the snowy woods at golden hour, warm window light, oil painting
Studio product shot of a matte-black ceramic mug on white seamless background
Watercolor portrait of a fox wearing tiny wire-rimmed glasses, soft pastel palette
Cyberpunk street vendor cooking ramen, steam, neon signage, low-angle shot
Minimal flat-design poster for a music festival, geometric shapes, 4 bold colors

Pricing

Premium image. Cost is per image — typically ~5000 tokens. $1 buys 750,000 tokens; a $5 token pack covers many images. Free signups get 10,000 tokens to try.

Compare to alternatives

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Depth Map Premium

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Face-to-Sticker Premium

Face-to-Sticker is a image model by Free.ai, available on Free.ai. Each image costs approximately 45,000 tokens. Compare...

Full model reference → · See all image models → · Comparer les modèles d'image →

Options avancées
Résultat
Les jetons sont bas. Get More Tokens
Want better results? Modèles premium (GPT-5, Claude, Gemini) deliver higher quality. View Plans

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Traitement de votre demande...

FLUX.2 Flex is a image model by Black Forest Labs, available on Free.ai. Each image costs approximately 45,000 tokens. Compare against our self-hosted mode...

Comment utiliser AI Image - FLUX.2 Flex

1
Saisissez votre entrée

Tapez du texte, téléchargez un fichier ou décrivez ce que vous voulez. Aucun compte n'est nécessaire.

2
Cliquez sur générer

Notre AI traite votre demande en quelques secondes à l'aide des meilleurs modèles open-source.

3
Télécharger et partager

Téléchargez, copiez ou partagez votre résultat. Gratuit pour un usage personnel et commercial.

Utilisez cet outil via l'API

Automatisez cet outil à partir de votre propre code. Endpoint REST compatible OpenAI, Auth-token auth, pas de SDK supplémentaire requis.

Documentation de l'API Obtenir la clé API 
curl -X POST https://api.free.ai/v1/image/generate/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"prompt": "A sunset over mountains", "model": "sdxl"}'

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AI Image - FLUX.2 Flex — FAQ

FLUX.2 Flex is a image model by Black Forest Labs, available on Free.ai. Each image costs approximately 45,000 tokens. Compare against our self-hosted models which run free within your daily limit.

FLUX.2 Flex works well for general-purpose image generation, illustration, and product visuals. Try the sample prompts above to see its strengths.

About 5,000 tokens per image. $1 buys 750,000 tokens, and a free Free.ai account includes 10,000 signup tokens plus a daily refill, so most users can try FLUX.2 Flex without spending anything.

It depends on the prompt. Free.ai lets you compare FLUX.2 Flex side-by-side with any other model at /image/compare/ — pick a sibling from the alternatives list to see how they differ on the same input.

Yes. Free.ai does not add watermarks and the outputs are yours to use commercially. See /apps/flux-2-flex/ for the full breakdown.

On Free.ai, FLUX.2 Flex supports 1:1 (square), 16:9 (landscape), 9:16 (portrait), 4:3, and 3:4. Pick the ratio in the form above before generating.

Most images come back in 5-25 seconds depending on the model and current GPU load. The result appears inline; signed-in users can also Add to queue to close the tab and get notified when it lands.

Yes — pick 1, 2, or 4 in the count field. Each image deducts about 5,000 tokens. For larger batches use /image/generate/ which fans out the same prompt across multiple models in parallel.

Free.ai does not train models on your prompts. Self-hosted models stay on our GPUs. Premium models route to the upstream provider for inference. Either way we never resell your data.

Yes. POST to /v1/image/generate/ with model="premium/flux-2/flex" and include your Bearer token. Full reference: /api/.

FLUX.2 Flex is a premium model served by an external provider, so self-hosting is not available. Free.ai exposes it with token-based pricing instead.

Free accounts get 10,000 signup tokens plus a daily pool. When that runs out, top up starting at $1 (750K tokens) — no subscription required.

Inscrivez-vous gratuitement pour 10 000 jetons

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