Kling 4.0 vs Flux1 AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Kling 4.0 compared with Flux1 AI
Detail	Kling 4.0	Flux1 AI
What it does	AI video generator for creating cinematic videos from text, images, and references with up to 30-second 4K output	Free AI image and video generator with FLUX models and 40+ other AI creation tools
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 50 daily credits for eligible accounts. Monthly subscriptions: Basic $16.00/month (800 credits), Standard $32.00/month (1,600 credits), Pro $80.00/month (4,000 credits). Yearly billing available at 20% discount: Basic $192.00 yearly, Standard $384.00 yearly, Pro $960.00 yearly. Credit packs av	Not given
Key features	Two-channel stereo audio with improved audiovisual synchronization Text-to-video and image-to-video generation Multimodal video editing for targeted changes Multiple aspect ratios including 21:9, 16:9, 1:1, and 9:16 Daily free credits for eligible accounts Watermark-free downloads with paid plans	FLUX.2 Pro image generation with 6 credits per image FLUX.1 Kontext Pro for one-sentence photo editing Flux 1.1 Pro Ultra for 4x higher resolution photos in 10 seconds 40+ AI image and video models included FLUX tools: Fill, Canny, Depth and Redux Commercial license on paid plans Private generation - images not shared publicly Fast Mode with watermark-free results from 1 credit Video Effects including Kissing, Hugging and more
What makes it different	Up to 10 flexible keyframes for precise visual direction across 30-second videos Multimodal reference system combining images, videos, subjects, and voice Professional-grade 10-bit HDR output at 1080p and 4K resolutions	Access to full FLUX model family from Black Forest Labs in one platform Browser-based with no GPU installation required 10 free credits to start with no credit card required Commercial rights for images on paid plans
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 no change since last check	61 no change since last check
Trust Flow (Majestic)	6	10
Citation Flow (Majestic)	23	41
Referring domains (Majestic)	11	741

4 details filled in for both companies.

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