Kavel Blog
Kavel guides, prompts, and video tutorials
Practical Kavel guides: prompt structure, image-to-video setup, model and pricing comparisons, and workflows that save credits. Copy a pattern, adapt it to your scene, and generate.
Sora Alternatives 2026: The API Shuts Down Sept 24
The Sora API is discontinued on 24 September 2026. We priced every replacement per 5-second clip and called each model id — most cost less than Sora did.
Nano Banana Alternatives 2026: 16 Models, Priced
The cheapest Nano Banana alternative renders a 1K image for half a cent; Pro charges 27x that. Sixteen models priced, plus the two things none of them do.
Best Free AI Photo Editors 2026: What Each Edit Costs
We priced the 18 AI editing endpoints behind the free photo editor lists: $0.004 to $0.41 per image. That spread is what sets every free tier's daily cap.
Nano Banana 2 vs GPT Image 2: Which to Use When
GPT Image 2 costs half as much at every size, but Nano Banana 2 takes 14 reference photos in one run. The credit costs, and the job each one is built for.
Seedance 2.5 vs Veo 3.1: One Take or Four Cuts
Veo 3.1 stops at 8 seconds; Seedance 2.5 runs 30 in one generation. What that continuity costs in credits, and which of the two your deliverable really needs.
Kling 3.0 vs Veo 3.1: What Sound Actually Costs
Kling 3.0 prices audio separately and it roughly doubles the rate; Veo 3.1 Lite includes it in a flat per-clip price. Full credit costs for both, side by side.
MiniMax H3 vs Veo 3.1: What a Clip Actually Costs
MiniMax H3 bills per second at a fixed 2K; Veo 3.1 Lite bills per clip. See what each costs at 5, 8 and 10 seconds, and which one your shot actually needs.
How to Use Grok Bot: Access, Price and Setup (2026)
Grok Bot is xAI's new AI teammate, launched Aug 11 2026. Here's who can access it, which plans it needs, what it costs, and the five steps to your first Bot.
LTX 2.5 vs MiniMax H3: Specs, Real Costs, Hardware
LTX-2.5 ships open weights but wants 32GB+ VRAM; MiniMax H3 runs 2K clips at $0.105/sec with nothing to install. Official specs, costs and limits compared.
Wan 3.0: What's Actually Released (and What's Rumor)
Wan 3.0 has not been released. We checked every official Alibaba channel on 6 August 2026 — here is what actually shipped, and what the rumours get wrong.
What Is SeedRealtime? ByteDance's Full-Duplex AI
SeedRealtime is ByteDance's audio-visual full-duplex model, released 5 August 2026. What it does, the one number they published, which app it is actually in, and whether you can use it.
PopVid AI Review 2026: Free Credits, Real Limits
PopVid AI review after reading its own docs: how daily, monthly and extra credits actually work, what the creator program pays, the 18+ content rules, and who it suits.
Nano Banana 2 vs Pro: Same Prompt, Both Outputs
Nano Banana 2 vs Pro, tested on one identical prompt with both images shown. Real per-image costs, the 14-vs-8 reference image limit, and which one your project actually needs.
Vidiofy Review 2026: Read the Trial Terms First
Vidiofy review: the 1-day trial rolls into a full monthly charge, the homepage testimonials repeat word for word, and refunds are limited. What we found before you subscribe.
PopVid AI Alternatives 2026: Honest Picks by Use Case
Looking for PopVid AI alternatives? Here is what each option actually does — roleplay video, meme twists, or plain image-to-video — with real pricing and no fake unlimited claims.
FacelessReels Review 2026: Pricing They Don't Show You
FacelessReels review with the numbers its site hides: $19-$69 plans and A/B price tests read from its own code, the 0-credit free plan, and no refunds.
DomoAI Review 2026: Strong Tools, No Refunds
DomoAI review with live pricing: $6.99-$48.99 yearly plans, unlimited Relax Mode from $19.59, the one-sentence no-refund policy, and its 2.4 Trustpilot score.
LitMedia Review 2026: The 'Unlimited' Fine Print
LitMedia (LitVideo) review: what a Seedance 2.0 video really costs on each plan, what Unlimited actually covers, and the conditional money-back guarantee.
Grok Imagine Alternatives 2026: Do the Division First
Grok Imagine's free tier ended 19 March 2026. At $0.060 an image, a $10/month plan needs 167 images to break even — here is what the alternatives actually cost.
Best Free AI Image to Video Tools 2026: What Free Actually Gets You
Free image to video tools compared honestly: credits, watermarks, queues and sign-up walls — with the real per-month numbers, tested.
Chinese AI Video Generators Free: Kling, Hailuo, Seedance, Wan
The Chinese AI video generators winning the benchmarks, and the free ways to use them without a +86 phone number — access lanes compared.
Creative Product Images: 12 AI Staging Ideas From One Snapshot
Creative product images that get listings clicked: 12 AI staging styles from a single phone snapshot, plus the faithfulness rule that keeps them honest.
Best AI Generated Birthday Memes: 14 Real Runs
We generated 14 AI birthday memes on nano-banana-2 and published every prompt, including the three runs that failed. Long captions did not break the lettering.
Best Face Swapper 2026: Who Hides Their Watermark Policy
We ranked face swappers by real brand search volume, then checked each vendor pricing page. Only one of six states what its free tier does to your file.
Nano Banana Face Swap Prompt That Keeps the Hair (Tested)
We ran the same face swap on Nano Banana 2 twice: "swap the face" also swapped the hair. The four-slot prompt that fixed it, with both results side by side.
AdpexAI Face Swap Review: What the Free Tier Doesn't Say
AdpexAI face swap says no login, no watermark. Its pricing page returned 72 characters. What we verified, what we could not, and two formats it beats us on.
OpenArt Review 2026: What "Up To 24,000 Images" Really Buys
OpenArt review with every tier read off its own pricing page: the credit ratio, the 100+ models with no published per-model cost, and the commercial-use checkmark missing from the $12.60 plan.
DeepSwap Review 2026: The Best Credit Table, The Smallest Allowance
DeepSwap review: the most transparent per-feature credit pricing in the category, attached to a plan that includes 20 credits — about 40 seconds of 1080p video. Plus the consent terms most reviews skip.
VidMuse Review 2026: "99% Cheaper" vs Its Own Credit Table
VidMuse review: an AI music-video tool whose pricing page promises 99% cost savings and, three inches lower, 2-3 finished minutes for $33. Plus a Pro tier that reads differently in Chinese.
Best Free AI Video Generators in 2026 (Real Limits Tested)
Free AI video generators in 2026, checked on each vendor pricing page: real credits, resolution caps, watermarks, and the three tools that are no longer free.
Kavel Blog FAQ
Answers for using the guides to get better prompts, references, and video drafts.
Start with the guide that matches your current problem: writing prompts, planning references, product clips, campaign concepts, motion control, or credit planning.
They help you plan the prompt, references, and output before you generate.
Use an example as a starting structure. Replace the subject, use case, audience, and visual references so the prompt gives you your own result.
Guides help you decide the goal, inputs, aspect ratio, camera direction, and quality level before you spend credits.
No. The guides are written around creation jobs like product clips, video references, concept previews, image references, and motion transfer.
Look for prompt patterns that define the hook, product moment, audience, platform format, and motion style. Then generate a few draft directions.
Focus on subject clarity, product shape, lighting, camera movement, and the page or campaign where the clip will run.
They help you write clearer prompts and choose the right settings before you generate, so there are usually fewer blind retries.
Yes. Kavel guides tie expectations to the options currently available, focusing on planning prompts, references, model choice, and credit use.
Use the closest guide and adapt the result, subject, references, and platform details to your own project.