Kling 4 vs Flux3Max.io

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

Kling 4 compared with Flux3Max.io
Detail	Kling 4	Flux3Max.io
What it does	AI video generator for text-to-video and image-to-video with native audio	AI video generator that creates 5-20 second videos with sound from text, photos, or keyframes
Stage	MVP	Startup
Founded	Not given	2026
Based in	Not given	US
Pricing model	Freemium	Paid
Pricing	Free credits to start; Basic $15.00/mo (400 credits/month); Pro $39.00/mo (1200 credits/month); Max $160.00/mo (5500 credits/month); one-time credit packs available	Pay per second with one-time credit packs: Starter $9.90 (1,000 credits, ~5 clips at 720p), Basic $19.90 (2,100 credits, ~11 clips), Plus $39.90 (4,400 credits, ~24 clips), Pro $79.90 (9,200 credits, ~51 clips), Studio $149.90 (18,000 credits, ~100 clips). A 5-second 720p video costs 180 credits; 10
Key features	Text-to-video generation from prompts up to 8,000 tokens Image-to-video animation keeping composition locked Multi-keyframe storyboards with up to 10 keyframes Omni reference supporting up to 15 items including images, videos and voice Native stereo audio with lip sync in nine languages Video generation up to 30 seconds at 4K with 10-bit HDR On-screen text and emoji rendering Multiple aspect ratios from 21:9 to 9:16 Automatic refunds for failed renders	Text-to-video generation Image-to-video with optional last frame Up to 10 keyframes per video Generated audio synthesis 5-20 second video length 720p and 1080p resolution Multiple aspect ratios Fast generation under one minute No subscription, pay-per-second pricing Failed videos are free
What makes it different	Independent platform tracking official Kling 4.0 news while providing access through third-party video engines Free credits to start with no waitlist required Works in any browser with no app installation needed Commercial rights included for generated videos	Speeds up video generation to 12 seconds for a 10-second 720p clip Keyframes mode for precise story control Sound generation included with video No subscription or credit expiration Free first clip and refundable credits
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)	28 −1 (down) since last check	8 +5 (up) since last check
Trust Flow (Majestic)	5	1
Citation Flow (Majestic)	18	13
Referring domains (Majestic)	51	1

6 details filled in for both companies.

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