The cheapest AI video models of 2026, compared. HeyGen Video delivers top-tier visuals with native sound for $0.03 a second, a fraction of what rivals charge.
AI video has never been cheaper. A 10-second clip with synced sound can now cost less than 50 cents, and a few models are free to use if you know where to look.
The catch is that headline prices rarely match the real bill. Resolution tiers can triple the rate, launch discounts expire, and most clips take more than one attempt.
This guide covers the 8 cheapest video models worth using in October 2026, with real per-second prices, what you get for the money, and the trade-offs to watch.
The headline finding: HeyGen Video, HeyGen's general-purpose video model, delivers top-tier visuals with native sound at a fraction of the cost per second of comparable models.
Each model below is scored out of 10 on five factors: visual quality, motion and camera control, native audio, consistency and control, and value for money. The overall score is the average of the five.
The 8 Cheapest Video Models, Ranked
- HeyGen Video: Top-tier visuals at the lowest price per second (9.3/10)
- Veo 3.1 Lite: Cheapest at 1080p (8.1/10)
- MiniMax H3: Best quality for the price (8.3/10)
- Gemini Omni Flash: Best free option for YouTube Shorts (8.4/10)
- Wan 3.0: Cheap drafts from the top-rated model (8.8/10)
- LTX-2.5: Best free open-source model (8.1/10)
- FLUX 3: Cheapest draft mode (8.6/10)
- Kling 3.0: Best free daily credits (8.0/10)
Cheapest Video Models Compared
List prices as of October 2026, per second of video with sound.
What 100 Clips a Month Costs
Here is what 100 eight-second clips with sound at 720p-class resolution cost on each model, at list price. Budget extra for retries, since many clips take more than one attempt.
1. HeyGen Video
Best for: Top-tier, cinematic video with native sound at the lowest price per second
Scores (out of 10): Visual quality 9.0 | Motion and camera control 9.2 | Native audio 9.2 | Consistency and control 9.3 | Value for money 9.8 | Overall 9.3
HeyGen Video is HeyGen's general-purpose video model, launched on September 30, 2026. It sits in the same category as the frontier models on this list: a prompt, a first-frame image or up to 12 reference files goes in, and a complete 5 to 15 second scene comes out, with subject, setting, light, camera movement and a matching soundtrack of dialogue, ambience and sound effects generated in one pass.
The reason it tops a cheapest list is that the low price does not come with a step down in output. The picture is photorealistic and cinematic: name a camera body, lens and aperture in the prompt and the model sets depth of field, grain and motion to match, and ask for a push-in, a locked-off tripod shot or an overhead drone pass and it delivers that move.
Scenes hold together, with objects keeping their size and shape and obeying physics, so dramatic effects read as filmed rather than generated. Image-to-video treats your still as the literal first frame, so a product shot starts moving exactly as it looks, and sound comes from the same prompt as the picture, from a horn blast to two speakers in dialogue.
At $0.03 per second for 768p with audio it is the cheapest model here, about 40% below the next option with sound, and the gap holds at 480p and 2K.
Two controls keep real-world costs down further: fixed seeds return the identical clip for the same prompt, so refining a shot means changing one clause rather than paying for another random roll, and the 480p tier at $0.02 per second lets you lock a shot in cheaply before rendering it once at full quality.
In HeyGen's own blind testing it ranked first for image-to-video.
Key features:
- Text-to-video, image-to-video and reference-to-video in one model
- Native audio: dialogue, ambience and sound effects generated with the picture
- Cinematic camera control from the prompt: lens, aperture, dolly, orbit and drone moves
- Up to 12 reference images, videos and audio clips to keep subjects consistent
- Fixed seeds for repeatable shots, and a 480p tier for cheap drafts
- Available through the HeyGen Video API, OpenRouter, Runware, ComfyUI and Vercel's AI Gateway
Pricing: $0.02 per second at 480p and $0.03 at 768p with audio, with 1080p and 2K at three times the 768p rate. Launch pricing is half off through October 31, 2026. The API runs on a prepaid wallet starting at $5.
Pros:
- Lowest list price with sound on this list, with no step down in quality
- Photorealistic, cinematic motion with camera moves you can direct from the prompt
- Cheap 480p drafts and fixed seeds cut the cost of retries
- Native dialogue, ambience and sound effects in every clip
Cons:
- Clips top out at 15 seconds, so longer scenes take more than one generation
- 1080p and 2K bill at three times the 768p rate, so finish at 768p unless you need Full HD
2. Veo 3.1 Lite
Best for: The cheapest 1080p clips with sound
Scores (out of 10): Visual quality 7.6 | Motion and camera control 7.8 | Native audio 8.6 | Consistency and control 7.4 | Value for money 9.0 | Overall 8.1
Veo 3.1 Lite is the budget tier of Google DeepMind's Veo 3.1 family, which also includes the Standard and Fast tiers. It exists for one reason: volume. Google says Lite matches the speed of Veo 3.1 Fast at less than half the price, and it keeps the family's defining feature, audio generated in the same pass as the picture, so dialogue, ambience and effects arrive synced without a separate step.
It generates clips of 4, 6 or 8 seconds from a text prompt or a starting image, at 720p or 1080p, in 16:9 or 9:16.
At $0.05 per second for 720p and $0.08 for 1080p it is the cheapest Full HD with sound on this list, and because an 8-second clip is a natural unit for ads and social cuts, the fixed durations are less limiting than they sound.
Billing runs through the Gemini API on standard Google Cloud invoicing, with the same key as Google's other models, and every clip carries a SynthID provenance watermark.
What you give up is control and quality. The Lite tier does not get the family's Ingredients to Video references, first-and-last-frame control or scene extension, which stay with Standard and Fast, so a shot that needs a consistent character across several generations is harder to pull off.
On the Artificial Analysis blind-vote leaderboard it scores below the other Veo tiers and below most of the models here, and there is no 4K option.
Early on, Google AI Studio also displayed its rate as per video rather than per second, which confused developers budgeting against it; the per-second figures above are the ones to plan with.
Key features:
- 720p and 1080p output with native audio
- 4, 6 or 8-second clips
- Same Gemini API as Google's other models
Pricing: $0.05 per second at 720p and $0.08 at 1080p.
Pros:
- Cheapest 1080p with sound
- Fast generation
- Simple per-second billing on Google Cloud
Cons:
- Lower picture quality than the other Veo tiers and most rivals
- No 4K and a short 8-second ceiling
3. MiniMax H3
Best for: Near-top quality at a mid-range price
Scores (out of 10): Visual quality 9.2 | Motion and camera control 8.2 | Native audio 8.6 | Consistency and control 8.0 | Value for money 7.5 | Overall 8.3
MiniMax H3, also known as Hailuo 3.0, launched on July 31, 2026, and it is the model on this list that most bends the quality-for-price curve. It sits in the top five of the Artificial Analysis text-to-video leaderboard, one Elo point behind Seedance 2.5, while costing a fraction of what that model charges per second through US-facing routes.
It generates 4 to 15 second clips at 24 fps with native stereo audio and dialogue in 11 languages, and a single request can carry up to 12 reference files, images, video and audio, to keep a character, product or performance consistent.
Output reaches native 2K: instead of a separate upscaler, the model regenerates its own 768p render in context, which is why small text and fine detail hold up.
Instruction-based editing changes a character, object, scene or line of dialogue on an existing clip without a full rerun, and several shots can sit inside one generation.
On price, the hosted 768p tier runs about $0.08 per second through MiniMax's own API and resellers such as fal and OpenRouter, and fal offers a limited number of free generations a day on its site.
The weights are open, which in principle means free self-hosting, but the open release is partial: the 33-billion-parameter base model is public while the instruction-understanding and 2K modules remain API-only, so local runs stop at 768p.
More importantly for most readers, the weights are not licensed for use in the US, EU, UK or South Korea, so for Western teams the per-second API is the realistic route.
Key features:
- Stereo audio and multilingual dialogue
- Up to 2K output
- Open weights for self-hosting outside restricted regions
Pricing: About $0.08 per second at 768p through hosted APIs. fal offers a limited number of free generations a day on its site.
Pros:
- Excellent quality for the price
- Highest-ranked open-weights video model
- Widely available through fal and OpenRouter
Cons:
- The open weights are not licensed in the US, EU, UK or South Korea
- More than twice HeyGen Video's price per second
4. Gemini Omni Flash
Best for: Free video for YouTube Shorts
Scores (out of 10): Visual quality 8.9 | Motion and camera control 8.2 | Native audio 8.6 | Consistency and control 8.5 | Value for money 7.8 | Overall 8.4
Gemini Omni Flash is Google's conversational video model, and for one group of people it is the cheapest option on this list by a wide margin: it is free to use inside YouTube Shorts and YouTube Create. If your clips are headed to YouTube, that route costs nothing and needs no API key.
The current version, Gemini Omni 1.1 Flash, became generally available through the Gemini API on August 27, 2026, and it is also available in Google Flow, AI Studio and the Gemini app.
Its defining feature is editing by conversation: the model holds the scene between turns, so you can ask it to change a jacket's color, rewrite a sign or extend the shot, and the parts you did not mention stay put.
That matters for cost because an edit replaces what would otherwise be a full paid regeneration.
Version 1.1 added first-and-last-frame control, scene extension to about 40 seconds, video references, a 360p draft tier for cheap iteration and 4K output through upscaling. Clips run 3 to 10 seconds with synced dialogue, music and effects generated by default.
Outside YouTube, the API bills in tokens, which works out to about $0.10 per second at 720p. That is competitive, though harder to forecast than a flat rate, and there is no free API tier. Other limits are the 10-second ceiling, output in 16:9 and 9:16 only, and reference videos capped at three clips of three seconds each with their audio ignored. Every clip also carries Google's SynthID watermark.
Key features:
- Free inside YouTube Create
- Edit clips by instruction
- Native audio
Pricing: About $0.10 per second at 720p through the Gemini API, billed in tokens.
Pros:
- Free route for YouTube creators
- Strong picture quality
- Edits cost less than starting over
Cons:
- The free route only works for YouTube
- Clips stop at 10 seconds
5. Wan 3.0
Best for: Cheap drafts from the highest-rated model
Scores (out of 10): Visual quality 9.6 | Motion and camera control 8.6 | Native audio 8.8 | Consistency and control 9.0 | Value for money 8.0 | Overall 8.8
Wan 3.0 is Alibaba's flagship video model, in public beta since August 6, 2026, and as of October it holds #1 on the Artificial Analysis text-to-video leaderboard.
It is on a cheapest-models list for two reasons: a 480p tier at $0.05 per second, which makes it the most affordable way to draft on the best-rated model available, and single generations of up to 30 seconds, so one pass covers what other models need two or three for.
Beyond length, the control set is deep. One prompt can be split into a multi-shot sequence with consistent characters across cuts, camera directions such as push in, orbit and follow produce distinct moves, and first-and-last-frame control is a particular strength.
It accepts up to 20 reference assets and, unusually, PDFs, slide decks and web pages as inputs, and it generates dialogue, ambience and music alongside the picture.
The savings come with conditions. The 720p tier costs $0.10 per second and 1080p $0.20, so draft cheap and finish expensive is the pattern.
Generation is slow, with third-party measurements putting a 5-second clip at 100 to 170 seconds, which matters if you pay for queue time in staff hours rather than dollars.
Access is API-only through Alibaba Cloud Model Studio, Qwen Cloud and partners like fal, your key must match the endpoint's region, and there are no open weights, so there is no self-hosting route to push the price lower.
Independent testing also found physics and camera motion to be its weakest area.
Key features:
- 30-second clips in one pass
- PDFs and slide decks accepted as inputs
- 480p, 720p and 1080p output
Pricing: $0.05 per second at 480p, $0.10 at 720p and $0.20 at 1080p.
Pros:
- Top-rated picture quality
- Cheap 480p tier
- Long clips mean fewer generations
Cons:
- Generation is slow, often minutes per clip
- API-only, with no open weights
6. LTX-2.5
Best for: Free video generation on your own hardware
Scores (out of 10): Visual quality 7.6 | Motion and camera control 7.8 | Native audio 8.2 | Consistency and control 8.0 | Value for money 9.0 | Overall 8.1
LTX-2.5 is an open-weights video model from LTX, the company spun out of Lightricks, released on August 11, 2026. Its claim to a cheapest list is the license: organizations with under $10 million in annual revenue can use it commercially for free, and it generates video with native audio, which most open models still do not.
The model has 22 billion parameters, runs on a 16 GB GPU, and worked in ComfyUI from day one. LoRAs trained for the earlier 2.3 release mostly carry over, so fine-tuning for a house style or a recurring character is practical, and LTX reports very fast generation, with a 10-second image-to-video clip rendering in under seven seconds on its own hardware.
If you do not want to run it yourself, the hosted LTX API offers a Fast tier at $0.09 per second for 720p, $0.13 for 1080p and up to $0.30 for 4K, with a Pro tier priced slightly higher.
The trade-offs are quality and the fine print. On the Artificial Analysis leaderboard the Fast tier scores below the 1000 Elo anchor and well behind the top hosted models, so it suits volume work more than hero shots.
The free license ends at $10 million in revenue, measured across the whole corporate group, and transferring a fine-tune to another party may need a paid license. Self-hosting is only free if you already own the GPU; rented GPU time is a real cost that has to be weighed against a per-second API.
Key features:
- Free open weights for most small companies
- Native audio
- Fine-tunable with LoRAs
- Hosted API up to 4K
Pricing: Free to self-host under the revenue threshold. The hosted API costs $0.09 per second at 720p and $0.13 at 1080p on the Fast tier.
Pros:
- No per-second bill when self-hosted
- Native audio in an open model
- Easy ComfyUI setup
Cons:
- Picture quality trails the top hosted models
- Companies above $10 million in revenue need a paid license
7. FLUX 3
Best for: Cheap drafts before a final render
Scores (out of 10): Visual quality 9.2 | Motion and camera control 8.8 | Native audio 9.0 | Consistency and control 8.8 | Value for money 7.2 | Overall 8.6
FLUX 3 is Black Forest Labs' first video model, generally available since August 5, 2026. Its full-quality output is not cheap, at $0.17 per second for HD and $0.29 for Full HD, so it earns a place here for a different reason: a draft mode at $0.06 per second that is the cheapest serious way to rough out shots before committing to a final render.
That draft-then-finish pattern suits what FLUX 3 is good at. The model was trained jointly on images, video and audio, and it generates 5 to 20 second clips at 24 fps with native sound, including lip-synced dialogue in more than 14 languages, with multiple scenes and camera angles possible in one generation.
Keyframes are the main control: pin a start frame, an end frame or up to ten stills at timestamps and the model interpolates through them. Video continuation extends a clip from its final frames, and typography rendered inside the scene is a particular strength. Independently, it ranks alongside the top models on the Artificial Analysis board.
fal's FLUX 3 Max version, built with Black Forest Labs, is also on a launch promotion at $0.0425 per second through November 7, 2026, and it returns a 10-second clip in about 12 seconds. After that date the rate reverts to $0.17, so budget on list price. An open-weight Dev version is promised but not yet released, which would be the real cost-cutter if and when it ships.
Key features:
- Draft mode at $0.06 per second
- Up to 20-second clips with audio
- Fast generation on FLUX 3 Max
Pricing: Draft costs $0.06 per second, HD $0.17 and Full HD $0.29. FLUX 3 Max on fal returns to $0.17 per second after November 7.
Pros:
- Cheap draft mode
- High picture quality at full settings
- Very fast on FLUX 3 Max
Cons:
- Full-quality output is the most expensive on this list
- The best price is a short-term promotion
8. Kling 3.0
Best for: Free daily credits for occasional use
Scores (out of 10): Visual quality 8.2 | Motion and camera control 8.6 | Native audio 8.4 | Consistency and control 8.2 | Value for money 6.6 | Overall 8.0
Kling 3.0, from Kuaishou, launched on February 4, 2026, and it is popular with creators largely because of its free tier: credits refill every day, enough for roughly one short clip with audio at no cost. For occasional use, that is hard to beat.
The model itself is capable. Its AI Director plans up to six shots inside a single 15-second clip from one structured prompt, keeping characters in the right spatial relationship across cuts.
Omni Native Audio generates dialogue, effects and ambience in the same pass, with speech in English, Spanish, Chinese, Japanese and Korean, and Voice Binding ties a specific voice to a character so they sound the same across scenes. The app offers native 4K, and Kling 4.0 launched there on October 15, 2026, with 30-second clips, though its official API was not yet live at the time of writing.
Past the free credits, Kling is no longer the budget pick it once was. Through the API it costs $0.084 per second at 720p without audio, $0.126 with audio and $0.168 at 1080p with audio, and app credits cost $1 for 66, so audio alone raises the price by half.
Its picture quality now ranks mid-pack on the Artificial Analysis board against newer models, free credits expire after 24 hours, and free output carries a watermark. Paid plans start under $10 a month if you want more than a clip a day.
Key features:
- Free daily credits
- Up to six shots per request
- Native 4K in the app
Pricing: $0.084 per second at 720p without audio, $0.126 with audio and $0.168 at 1080p with audio through the API. App credits cost $1 for 66.
Pros:
- Free credits every day
- Multi-shot sequences in one request
- 4K option
Cons:
- Expensive with audio at higher volumes
- Free credits expire daily and free output is watermarked
How to Keep AI Video Costs Down
Budget on list prices, not promotions. Several models on this list have launch discounts that end in late October or early November 2026. Use promotions for one-off batches, but plan monthly budgets on the regular rate.
Draft at 480p. HeyGen Video and Wan 3.0 both offer 480p tiers that cost far less than 720p or 1080p. Lock in the shot at low resolution, then render the final version once.
Watch resolution multipliers. 1080p often costs two to four times the 720p rate. Only render in Full HD when the video will be shown that large.
Use fixed seeds. Models that support seeds, like HeyGen Video, let you change one detail without paying for a completely new random clip.
Count the retries. Many generated clips get thrown away. A cheaper model that needs twice as many attempts can end up costing more than a pricier one.
FAQ
What is the cheapest AI video model?
HeyGen Video, at $0.02 per second for 480p and $0.03 per second for 768p clips with sound. For 1080p, Veo 3.1 Lite is cheapest at $0.08 per second.
Is there a free AI video generator?
Yes. Gemini Omni Flash is free inside YouTube Create, Kling 3.0 gives free daily credits, and LTX-2.5 is free to self-host for companies under $10 million in revenue.
How much does a 10-second AI video cost?
Anywhere from $0.30 on HeyGen Video at 768p to $4.00 on Google's Veo 3.1 Standard. Most popular models fall between $0.50 and $2.00 for 10 seconds.
What is the cheapest open-source video model?
LTX-2.5, which is free for commercial use under $10 million in annual revenue and generates native audio. Wan 2.2 is fully open under Apache 2.0 but produces silent clips.
Is Sora still available?
No. OpenAI shut down the Sora app on April 26, 2026 and the Sora 2 API on September 24, 2026.
Can I use HeyGen Video without coding?
Yes. HeyGen Video runs as a node in ComfyUI and is hosted on OpenRouter and Runware, none of which need code. The HeyGen API is the direct route, and HeyGen has announced web app access.
Final Thoughts
The cheapest video model depends on your resolution and where the video is going. For most clips with sound at 720p-class resolution, HeyGen Video is the lowest-cost option at $0.03 per second, and the only one at that price with top-tier visuals. Veo 3.1 Lite wins at 1080p, MiniMax H3 gives the best quality for the money, and LTX-2.5 is free if you have your own GPU.
If you publish to YouTube Shorts, start with Gemini Omni Flash for free. For everything else, HeyGen Video's $5 prepaid API wallet is enough to try a first batch.
Greetings! My name is Ayesha Shaheryar. My words have helped millions over the past two years. As a HeyGen expert and a writer, I am here to introduce tips and tricks to edit your next video in no time.
