AI Video Generation Cost: Stop Paying $95/Month for Clips

Here is the short version: based on current public pricing, a 5-second clip costs about $0.48–$1.20 on Runway, Pika, and Kling credit plans. Running an open model such as Wan 2.2 or HunyuanVideo 1.5 on a rented NVIDIA GeForce RTX 4090 costs about $0.02–$0.08 in compute for the same duration. Even when we use the conservative estimate of $0.08 per GPU-generated clip, the compute cost is about 6x to 15x lower—before counting the clips that are generated and discarded.

The figures in this article come from public pricing pages and official model repositories. Runway pricing was reviewed in September 2026; review dates for the other platforms are noted in their respective sections. The calculations are shown in full so you can recompute them yourself.

This article covers:

• What Runway, Pika, and Kling actually charge per 5-second clip once you convert credits to dollars
• What the same clip costs on a rented RTX 4090 running open-source video models
• A full worksheet for a 150-clip month — including a retry buffer
• When a subscription is still the right call

What a 5-Second Clip Costs on Runway, Pika, and Kling

Credit systems make per-clip prices hard to see. All three major platforms sell monthly credit bundles, and all three expire unused subscription credits at the end of the billing month. Converting bundles to a cost per 5-second clip makes them comparable.

Runway pricing

Runway's annually billed plans (runwayml.com/pricing, reviewed September 2026) work out to $12 per month for Standard with 625 credits, $28 per month for Pro with 2,250 credits, and $76 per month for Max with 9,500 credits. Gen-4.5 uses 12 credits per second of generated video, so a 5-second clip requires 60 credits.

• Standard: 625 ÷ 60 = about 10 complete clips/month → approximately $1.20 per clip
• Pro: 2,250 ÷ 60 = about 37 complete clips/month → approximately $0.76 per clip
• Max: 9,500 ÷ 60 = about 158 complete clips/month → approximately $0.48 per clip

These calculations use the number of complete 5-second clips that can be generated. Any remaining credits that are insufficient for another complete clip are excluded. Actual credit usage may vary by model, duration, and selected features.

Pika pricing

Pika (pika.art/pricing, July 2026) charges roughly $10/month for Standard (700 credits), $35/month for Pro (2,300 credits), and $95/month for its top Fancy tier (6,000 credits) on monthly billing. A 1080p 5-second clip costs 40 credits.

• Standard: 700 ÷ 40 = 17 clips/month → ~$0.57 per clip
• Fancy: 6,000 ÷ 40 = 150 clips/month → ~$0.63 per clip

That $95/month Fancy tier is the subscription in this article's title: 150 five-second clips, then the meter stops.

Kling AI pricing

Kling's membership plans (kling.ai, July 2026) run from Standard at $10/month (660 credits) through Pro at $37 (3,000 credits), Premier at $92 (8,000 credits), and Ultra at $180 (26,000 credits). Kling 3.0 costs 6 credits per second at 720p without audio and 12 credits per second at 1080p with native audio — so a 5-second 1080p clip with audio is 60 credits.

• Pro: 3,000 ÷ 60 = 50 clips/month → $0.74 per clip
• Premier: 8,000 ÷ 60 = 133 clips/month → $0.69 per clip

Subscription cost per clip, side by side

Note: This comparison uses public prices for the specified models and resolutions. It is not a like-for-like comparison of model quality, resolution, audio support, or workflow features. Lower-cost Turbo variants generally use fewer credits, while generations that are not ultimately used may still consume credits.

The GPU Rental Route: Open Video Models by the Hour

The alternative path for AI video generation cost control is renting the GPU instead of buying credits: spin up a cloud RTX 4090, run an open-source video model, and pay only for the hours the instance runs. On Glows.ai, an RTX 4090 (24 GB VRAM) starts at $0.49/hour with per-second billing (July 2026). There is no credit meter — the only variable is how many clips the GPU produces per hour.

Two open models fit comfortably in 24 GB:

• Wan 2.2 TI2V-5B (Alibaba, Apache 2.0 license): text-to-video and image-to-video at 720p/24fps. The official repository states it generates a 5-second 720p clip in under 9 minutes on a single RTX 4090 (github.com/Wan-Video/Wan2.2). Community speed-up LoRAs with reduced step counts cut this further.
• HunyuanVideo 1.5 (Tencent, 8.3B parameters): runs on consumer 24 GB cards; Tencent's model card reports the distilled variant generating a video in as little as 75 seconds on a single RTX 4090 (huggingface.co/tencent/HunyuanVideo-1.5). Expect a few minutes at higher step counts and resolutions.

Generation time varies with resolution, step count, and sampler, so here is the per-clip compute cost across a conservative range at $0.49/hour:

Even at the slowest estimate—$0.074 per clip—the compute cost is about one-eighth of Pika's lowest per-clip price and about one-sixteenth of the Runway Gen-4.5 Standard annual plan's per-clip price. Glows.ai charges for GPU compute while the instance is running; once the instance is stopped, GPU compute charges stop as well.

Side by Side: A 150-Clip Month

Say you produce 150 five-second clips a month — exactly what Pika's $95 Fancy tier includes. Here is what that volume costs by route:

The last row doubles the estimated GPU time to account for retries and prompt iteration, making it the more conservative GPU estimate. Producing 150 selected clips would cost about $12–$22 in GPU compute. By comparison, Runway Max costs $76 per month on annual billing, while Pika Fancy costs about $95 per month. Looking only at compute or subscription spending, the GPU route costs about 3x to 8x less. This is not a like-for-like comparison of quality or features: Runway includes proprietary models and an integrated creative toolset, while the GPU route requires users to deploy models, manage workflows, and account for setup time. Whichever route you choose, unused generations increase the effective cost of each finished clip.

There is no hardware break-even to wait for, either. Self-hosting guides rightly point out that buying a GPU only pays off at thousands of clips per month; renting by the hour skips the capex entirely — no $1,800 card, no electricity bill, no idle depreciation.

When a Subscription Still Wins

The math above is one-sided on price, so here is the other side, stated plainly:

• Frontier quality and native audio. Runway Gen-4.5 and Kling 3.0 lead open models on prompt adherence and cinematic coherence, and Kling 3.0 generates synchronized audio natively. Wan 2.2 outputs silent video — you add sound in post.
• Zero setup. A subscription renders your first clip 2 minutes after checkout. The GPU route means loading a ComfyUI workflow and downloading 10–20 GB of model weights before your first frame (a one-time cost of perhaps 30–60 minutes).
• Very low volume. If you make 5–15 clips a month, a $10–$12 entry tier is simpler and the absolute dollar difference is small.
• Team features. Shared workspaces, review tools, and commercial-rights paperwork are bundled into paid tiers.

The crossover point is volume and iteration. The moment you generate daily, experiment with prompts, or batch-produce shorts, per-clip credit pricing punishes exactly the behavior that makes AI video useful.

How to Start on a Rented RTX 4090

We create an instance on demand — the flow mirrors our other tutorials:

1. Sign up at glows.ai and open Create New (see the instance creation guide).
2. Select Inference GPU — 4090 as the Workload Type and pick the preconfigured ComfyUI image. Instances typically start in 30–60 seconds.
3. Download the model weights — Wan 2.2 TI2V-5B or HunyuanVideo 1.5 from Hugging Face — into your instance, or keep them on Datadrive so future instances mount them without re-downloading.
4. Load a text-to-video workflow in ComfyUI, queue your prompts, and stop the instance when the batch finishes. Billing stops with it.

Our tutorial on running custom ComfyUI workflows on Glows.ai walks through importing workflow JSON files, and the same Datadrive setup applies to video models.

FAQ

Is renting a GPU cheaper than an AI video subscription?

At meaningful production volumes, renting a GPU can reduce the compute cost per clip. At $0.49 per hour, an RTX 4090 produces a 5-second clip for about $0.02–$0.08 in compute. Runway, Pika, and Kling credit plans cost about $0.48–$1.20 per 5-second clip based on the public prices used in this comparison. The cost gap generally remains even after doubling GPU time to account for retries. Subscription platforms, however, also provide simpler setup, proprietary models, and features such as native audio on selected models.

Which open-source video models run on an RTX 4090?

Wan 2.2 TI2V-5B (720p/24fps, Apache 2.0), HunyuanVideo 1.5 (8.3B parameters), and LTX-Video all run within 24 GB of VRAM. Quantized builds of the larger Wan 2.2 14B variants also fit with reduced precision.

Do open models match Runway Gen-4.5 or Kling 3.0 quality?

Not on every dimension. Closed frontier models still lead on prompt adherence and native audio generation. Open models counter with zero per-clip cost, no watermarks, full workflow control in ComfyUI, and permissive licenses — Wan 2.2 is Apache 2.0, so commercial use is allowed by default.

Do I keep paying when I'm not generating?

No. Glows.ai bills per second while the instance runs. Stop the instance after a batch and the cost is $0 until you start the next one — unlike subscription credits, which expire at the end of each billing month whether you used them or not.

Run the Numbers Yourself

Runway Max costs $76 per month when billed annually and includes enough credits for about 158 five-second Gen-4.5 clips. The same $76 buys approximately 155 hours of RTX 4090 time at $0.49 per hour. If an open-model generation takes five minutes, that is theoretically enough for about 1,860 generation attempts. This is not a comparison of identical models or output quality, but it shows the difference between the two pricing structures: a subscription pays for proprietary models, credits, and integrated tools, while GPU rental charges for actual compute time and gives users control over the model and workflow. Create a Glows.ai account to try the GPU rental route.