Flux 3
The image engine- Text-to-image and instruction-following edits
- Up to 10 references, ratios 1:8–8:1, output to 4K
- Cheap 1K drafts for fast iteration
- Free starter credits, failed runs auto-refund
Flux 3 vs Kling 4
Flux 3 makes images; Kling 4 is Kuaishou’s newest directed video model. Not a rivalry — a workflow. This page compares what each is for and how they chain inside one studio.
Verdict
The short answer
Kling 4 is the current flagship for directed video — named camera moves, start-frame animation, steadier subjects. Flux 3 owns the still side — drafts, edits, references, 4K output.
Kling 4
The directed video engine- Text-to-video + image-to-video from an anchor frame
- Camera moves you can name — orbit, push-in, track
- Steadier subjects across takes
- Optional synced sound per take
Direct the still on Flux 3, direct the motion on Kling 4. The two-model chain gives you control over both the look and the move — that is the whole point of the comparison.
Specs
Spec sheet, side by side
Flux 3 values read live from the studio catalog; Kling 4 column lists its public specs.
 Flux 3 |  Kling 4 | |
|---|---|---|
| Output | Images (JPG/PNG) | Video clips (MP4) |
| Made by | Black Forest Labs | Kuaishou |
| Inputs | Up to 10 | Text · anchor frame · references |
| Formats | 1:1 · 4:3 · 3:4 · 16:9 · 9:16 · 3:2 · 2:3 · auto | 16:9 · 9:16 · 1:1 |
| Duration / size | 1K · 2K | Directed takes up to ~15s |
| Audio | — | Optional synced sound |
| Credit cost | from 6 credits | Via API / partner studios |
| Typical pick | Stills, product shots, edits | Directed clips, animated stills |
AI Model 6 credits
Prompt0/2000
Avoid copyrighted characters, logos, music and sensitive or explicit content — it may be blocked.
Resolution
Aspect Ratio
Batch generation1
Estimated cost: 6 credits
Your creation appears here
Pick a model, describe the shot, and hit Generate.
Test it yourself
The same-prompt test bench
These prompts read as shots — run each on Flux 3 for the still, then hand the same direction to Kling 4 and compare what the directed take adds.
Tip: the strongest pipeline is Flux 3 for the keyframe, then Kling 4 image-to-video for the move.
Directed camera
ShotA hero sneaker on concrete, orbit slowly around it, dust catching hard side light, cinematic product spot.
What to compare: Flux 3: framing and light. Kling 4: whether the named move lands.
Anchor-frame edit
EditKeep the lighthouse and sky identical — waves crash against the rocks below, spray catching the sunset.
What to compare: Keep the subject identical — still vs animated version of the same frame.
Mood piece
SceneA rain-soaked neon alley at night, a figure in a trench coat under an umbrella, reflections rippling in puddles.
What to compare: Flux 3: palette and detail. Kling 4: atmosphere in motion — steam, rain, flicker.
Deep dive
Flux 3 vs Kling 4 — an honest breakdown
Kling 4 is the newest flagship on the video side; Flux 3 is the newest flagship on the image side. Teams keep asking which is "better" — the honest answer is that they sit at different stages of the same pipeline.
Different stages, same pipeline
Flux 3 produces stills: text-to-image, conversational edits, up to ten references, output to 4K. Kling 4 produces takes: text-to-video and image-to-video with directed camera work — you name the move (orbit, push-in, track) and it composes the shot instead of improvising.
If the deliverable is a thumbnail, a product photo, or a poster, the video model is irrelevant. If the deliverable is a clip, the image model becomes your keyframe tool.
The chain that works
Draft the keyframe on Flux 3 — cheap iteration on composition, palette, and subject. Then anchor that still as Kling 4’s first frame and direct the motion: "slow push-in, steam rises". Splitting look-direction from motion-direction is how you keep control over both.
When to skip the still
For kinetic, improvised-feeling shots — sports energy, stylized action — going straight to Kling 4 text-to-video is faster and often livelier. Anchoring with a keyframe trades spontaneity for control; pick per shot.
Cost and credits
Flux 3 runs in this studio on shared credits — live estimate per render, free starter credits, automatic refunds on failure. Kling 4 bills per take through API partners; whichever pipeline you choose, draft cheap before rendering final.
FAQ
Flux 3 vs Kling 4 FAQ
Understand the model, prepare better references, and choose a practical approach to your next image.
01Is Flux 3 or Kling 4 better?
Different jobs — Flux 3 is the image model, Kling 4 the video model. For stills the answer is Flux 3; for clips, Kling 4.
02Can Kling 4 make images?
Kling 4 is a video model — it generates clips, not stills. Use Flux 3 for the image, then animate it with Kling 4’s image-to-video if it needs to move.
03Can Flux 3 make video?
Flux 3 is the image engine; the studio’s video lineup (Seedance 2.5, Veo 3.1, Kling 3.0, Wan 3.0, MiniMax H3) handles motion on the same credits.
04Kling 4 vs Kling 3.0?
Kling 4 is the newer directed tier — named camera moves, anchored start frames, steadier subjects. Kling 3.0 remains a faster everyday draft engine.
05Which is cheaper to try?
Flux 3 — image renders cost a fraction of a video take. Draft the still at 1K before spending on any clip.
Make the next idea visible
Start your next visual on Flux 3
Bring a product reference, a character, or a clear headline. Explore a composition, refine the details, and save a version that fits your project.