Is Flux (FLUX 3 + FLUX 3 Image Klein) Down?

Quickest ways to check the current status of flux1.ai plus recent known issues and working alternatives if it's out.

Last editorial review: 2026-10-15

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Known issues we've tracked

FLUX 3 IMAGE KLEIN -- A 5.6B OPEN-WEIGHT IMAGE MODEL THAT REPLACES FLUX.2 [KLEIN] AS THE LOCAL PICK (2026-10-15, vendor-primary; Hugging Face repos created 2026-10-13/14): Black Forest Labs released 'FLUX 3 Image Klein, a 5.6B parameter open weights model for text-to-image generation, image editing and multi-reference generation with up to 10 reference images', sharing 'native 4K generation, pixel-perfect editing, and bounding boxes' with the full FLUX 3 Image model. **Builds:** a base model for fine-tuning and a step-distilled model, plus FP8, INT8 and NVFP4 builds made with NVIDIA. **Hardware:** generator weights 11.2 GB in BF16, 5.6 GB in FP8; the INT8 build runs on GeForce RTX GPUs 'with as little as 8GB of VRAM' via ComfyUI or Diffusers; under 0.6 s per 1MP image on GB300 in NVFP4. **Claims (BFL internal evaluations):** first in text-to-image, multi-reference and editing against larger open models (Qwen-Image 2.1 at 7B, Krea 2 at 12.9B) and above Ideogram V4.5 and FLUX.2 [pro]; **+91 Elo text-to-image and +70 editing over FLUX.2 [klein] 9B with 38% fewer parameters**. **API:** 'the distilled model is available as flux-3-image-klein ... Pricing starts at $0.009 per 1K image.' **Licence:** FLUX Kommunity License -- free commercial use 'for individuals and companies with annual revenue under $5M', plus research and non-commercial use; larger organisations need self-hosted licensing or the API. Day-one support in ComfyUI, Diffusers, TensorRT-LLM, SGLang Diffusion and vLLM-Omni; LoRA training via Ostris AI Toolkit and NVIDIA NeMo. Second open release of the FLUX 3 family after FLUX 3 Action; 'More will follow.'
2026-10-15•Black Forest Labs (bfl.ai/blog/flux-3-image-klein, JSON-LD datePublished 2026-10-15) + Hugging Face API (black-forest-labs/flux-3-image-klein, createdAt 2026-10-13) -- fetched 2026-10-15 via curl
THE FLUX FAMILY NOW GENERATES VIDEO WITH SOUND -- FLUX 3 (2026-07-23, Early Access) AND FLUX 3 VIDEO GA ON THE BFL API (2026-08-04), PLUS A 4K VIDEO UPSCALER (2026-08-20). This page had been reviewed last on 2026-04-17 and described FLUX.2 [klein] as the current release; four Black Forest Labs launches went unrecorded in between. **FLUX 3** is one model 'jointly trained across images, video and audio' on BFL's Self-Flow approach; the launch post says it generates 'images and video+audio jointly' from text or reference images and video, and that video prediction accounts for over 95% of training compute. **FLUX 3 Video** shipped to a general audience on 2026-08-04 'via the BFL API and select partners': clips up to 20 seconds at 720p or 1080p with native audio, text-to-video, image-to-video with keyframes, continuation of up to four seconds of your own video and audio, multi-shot scenes, dialogue with lip-sync in multiple languages. **Verified rate card (docs.bfl.ai, 2026-09-28): $0.17 / $0.29 / $0.40 / $0.80 per second at HD / FHD / QHD / UHD for text- or image-to-video; $0.41-$0.95 per second for video continuation; drafts $0.06/s; 24 fps, up to 3840 x 2176.** The docs still say 'FLUX 3 is a preview model' and that Omni Reference 'will be available soon'. **FLUX Video Upscale (2026-08-20)** regenerates any 480p+ video at up to 4K in two modes, Precise (4 steps, $0.07 per megapixel-second) and Creative (8 steps, $0.10), with 1.5x, 2x and 3x factors. Also unrecorded: **FLUX.2 [klein] 4B ships preloaded on ASUS ProArt RTX laptops (2026-06-04)** as the first FLUX model on consumer hardware, targeting sub-5-second generation on 8 GB of VRAM. Why it matters for this page: the 'Flux' entry is now a video vendor as much as an image one, and the video product has a public per-second price where Veo and Kling bill through app tiers or credits.
2026-08-04•Black Forest Labs blog: 'FLUX 3' (bfl.ai/blog/flux-3, JSON-LD datePublished 2026-07-23), 'FLUX 3 Video, Part 1: Generation' (bfl.ai/blog/flux-3-video, 2026-08-04), 'FLUX Video Upscale: 2K and 4K' (bfl.ai/blog/flux-video-upscale, 2026-08-20), 'FLUX.2 is now on device' (bfl.ai/blog/flux2-klein-on-device, 2026-06-04); docs.bfl.ai/flux_3/flux3_overview (rate table, fetched 2026-09-28)
FLUX 3 ACTION -- AN OPEN-WEIGHT 7B WORLD ACTION MODEL FOR ROBOTS, UNDER A LICENCE THAT IS NOT APACHE (2026-09-22, vendor-primary). BFL released FLUX 3 Action on Hugging Face (base weights for embodiment adaptation plus ready-to-run SO-101 and DROID policies, loadable through LeRobot): given camera frames, the robot state and a text instruction it 'returns the next chunk of actions, denoised together with the next video frames', about two seconds of predicted video per step. **Vendor claim, unreplicated:** 'a new state-of-the-art success rate' on the RoboLab-120 leaderboard 'at less than half the parameters of the previous best open model, while running up to 3.95x faster', against Cosmos 3 Nano (36.8%) and Pi0.5 (28.0%) as the cited baselines; BFL also argues hybrid fast-control plus frontier-reasoning systems deliver 'up to 53.64% more success per dollar'. The text encoder is an unmodified Qwen3-VL-4B-Instruct. **Licence: FLUX Kommunity License v1.0** -- free for 'non-commercial and non-production use', and for commercial use only by a 'Qualifying User' with under US$5,000,000 in gross annual revenue; anyone larger needs a paid licence from bfl.ai/licensing; military, surveillance and biometric uses are excluded. This continues the July FLUX-mimic collaboration (robots deployed at Audi) rather than replacing it. Not a change to the image models on this page, but it is the vendor's stated direction: 'models that perceive, predict, and act'.
2026-09-22•Black Forest Labs: 'Introducing FLUX 3 Action Models' (bfl.ai/blog/flux-3-action, JSON-LD 2026-09-22); Hugging Face black-forest-labs/flux-3-action-base README and LICENSE.md (fetched 2026-09-28); 'FLUX-mimic' (bfl.ai/blog/flux-3-mimic, 2026-07-23)
FLUX.2 [klein] 4B variant can produce hand/finger artifacts in ~5% of generations -- materially better than Flux.1 Dev's ~10-15%, but not solved
2026-02•Reddit r/StableDiffusion, Hugging Face discussions
Multi-reference mode in FLUX.2 [klein] occasionally blends stylistically-divergent sources inconsistently -- same class of issue Nano Banana 2 has
2026-03•Reddit r/StableDiffusion
BFL API rate limits and occasional downtime still frustrate developers building production applications -- the [klein] open-core release partially addresses this by enabling self-hosting
2026-03•GitHub Issues

Issues here are sourced from our editorial sweeps, not real-time telemetry. Newer issues may exist.

What to use if Flux (FLUX 3 + FLUX 3 Image Klein) is down

Top AIToolTier-ranked alternatives in the same category, ordered by our overall score.

A

Nano Banana 2.1 (Gemini Nano Banana 2.1, formerly Nano Banana 2)

8.9

**Nano Banana 2.1 went GA on the Gemini API on 2026-10-06 as the update to Nano Banana 2, with better visual quality, prompt adherence, multi-turn character consistency and text rendering, new 1:4 to 8:1 panoramic ratios, and a lower price -- $0.0336 per 1K image versus $0.067 -- while Google is retiring gemini-3.1-flash-image in its favour (no end date yet).** Google's Gemini 3.1 Flash Image model -- the best-in-class text-in-image renderer, now the default across the Gemini app

A

Meta Muse (Image + Video)

8.4

**Muse Image reached developers on the Meta Model API on 2026-08-25 at a flat $0.01 per image** (built-in web and image search included; failed or safety-filtered images are not billed), and Meta One's Core ($7.99/mo) and Premium ($19.99/mo) bundles (2026-09-15) add more Muse-powered image and video generation in Meta's apps. Meta Superintelligence Labs' first media-generation models (launched 2026-07-07) -- Muse Image is GA across the Meta AI app, Instagram, and WhatsApp (Arena #2 for text-to-image); Muse Video is in preview (Arena #3 for text-to-video). Instruction-faithful editing, multi-reference composition, tool use, and Content Seal provenance watermarking

A

Leonardo AI

8.3

Versatile AI image generator with fine-tuned models and a generous free tier

A

Stable Diffusion

8.0

Open-source AI image generation with unlimited free local use and full customization

B

Midjourney

7.8

**Midjourney's alpha site gained shared folders and a Thinking mode in its 10/7 changelog: collaborators can now generate into a shared folder, and 'Rerun (Thinking)' has V8.2 inspect its own image for missed prompt details -- wrong objects, layout, anatomy, text -- and generate again.** Industry-leading AI image generation with stunning artistic quality. **The V8.2 Edit Model opened to everyone on 2026-08-27** -- instruction-based edits, up to four image references (replacing omni-reference), inpainting and outpainting -- and the **2026-09-24 update** makes targeted edits change only the pixels you select, adds live style previews, and fixes --tile seams on V8.1/8.2. V8.2 itself launched 2026-07-24 as the default model. No price change

About Flux (FLUX 3 + FLUX 3 Image Klein)

Tier B (7.8/10). **FLUX 3 Image Klein (2026-10-15) is the new local pick: a 5.6B open-weight text-to-image and editing model with native 4K, bounding-box control and up to 10 reference images, runnable in 8GB of VRAM with the INT8 build, free for commercial use under $5M annual revenue, and $0.009 per 1K image on the BFL API.** Black Forest Labs' model family has moved past still images. **FLUX 3** is a single multimodal foundation model trained across images, video and audio (Early Access 2026-07-23); **FLUX 3 Video went GA on the BFL API on 2026-08-04** with clips up to 20 seconds, native audio, multi-shot scenes and 1080p output, priced per second of video ($0.17/s HD text-to-video). **FLUX 3 Action (2026-09-22)** is an open-weight 7B world action model for robots. The open-core FLUX.2 [klein] image models (Jan 2026, sub-0.5s generation) remain the local-inference workhorse

Read the full Flux (FLUX 3 + FLUX 3 Image Klein)review →