AI B-Roll vs Stock Footage vs Filming Your Own: The Real Cost and Time Math

Every video creator faces the same fork in the road. You need B-roll for a 10-minute video. You can generate it with AI, license it from a stock site, or shoot it yourself.

The right answer depends on your content, your audience, and your budget. But most creators pick based on habit, not math. They keep paying for Storyblocks because they always have. They shoot everything because they think AI looks fake. They generate everything with AI because it feels modern.

Let's actually do the math, then talk about when each one is right.

The three options laid out

Stock footage. You pay a subscription (Storyblocks, Envato Elements, Artgrid) or pay per clip (Pond5, Adobe Stock). You search a library, download what fits, edit it in.

Filming your own. You schedule, set up, light, and shoot the clips yourself or hire someone to do it. This includes phone footage you grab while traveling.

AI generation. You describe what you need in a prompt or upload audio and let a tool like Compledio generate matching clips. New in 2024, viable in 2025, mainstream in 2026.

These are not mutually exclusive. The right answer for most creators is a mix. But the per-clip math reveals which one to lean on for which use case.

Time per clip

This is the math nobody calculates and everybody loses on. Let's use the same scenario for all three: a 10-minute talking-head video that needs 25 B-roll clips.

Stock footage

Per clip:

Decide what you need: 30 seconds
Search the stock site: 1 to 3 minutes
Preview options: 1 to 2 minutes
Download and import: 30 seconds to 1 minute
Trim to fit: 30 seconds

Average per clip: 3.5 to 7 minutes.

For 25 clips: roughly 90 to 175 minutes, or 1.5 to 3 hours per video.

The big variable is how often you find the perfect clip on the first search. When you do not (most of the time), the search and preview steps balloon.

Filming your own

Per clip:

Plan the shot: 1 to 2 minutes
Set up location, lighting, framing: 5 to 15 minutes (front-loaded for the day)
Actually shoot: 30 seconds to 2 minutes per take
Review and select: 1 to 3 minutes
Import and color: 1 to 2 minutes

For 25 clips, if you shoot them all in one session: 2 to 5 hours including setup, plus an hour for import and selection.

If you shoot opportunistically over multiple days, the per-day overhead adds up fast. Most solo creators end up at 4 to 8 hours per video for original footage that actually matches the script.

AI generation

Per clip with a tool like Compledio:

Audio analysis (one time, not per clip): 30 to 90 seconds for the whole video
Generation runs in parallel: 2 to 5 minutes total for all 25 clips
Review each clip: 10 to 30 seconds
Regenerate any that miss: 30 to 90 seconds per regeneration (typically 3 to 5 clips)

For 25 clips: roughly 15 to 30 minutes total per video.

The time math is the most lopsided of the three by a wide margin.

Cost per clip

The dollar math looks different.

Stock footage

Subscription model: $30 to $100 per month for unlimited downloads (Storyblocks, Envato, Artgrid). Cost per clip approaches zero as you publish more.

Pay per clip: $20 to $80 per HD clip on Pond5 or Adobe Stock. Adds up fast.

For most creators on a subscription, the marginal cost per clip is effectively free. The cost is your time to find them.

Filming your own

The cost depends entirely on your gear and travel. A creator with an iPhone and natural light spends nothing per clip beyond their time. A creator who flies somewhere to capture specific footage might spend $500 per clip when you total it up.

If you treat your own time as a cost (it is), filming is almost always the most expensive per clip.

AI generation

Compledio's pricing in May 2026 is credit-based. A typical video uses around 25 to 50 credits depending on length and quality. Plans start at $20/month for the entry tier.

Per-clip cost: roughly $0.20 to $0.80 depending on plan and quality settings.

For a creator publishing two videos a week, the monthly cost lands around $40 to $80 for all generation, comparable to a stock subscription but with substantially less time spent.

Quality tradeoffs

Pure cost and time only gets you so far. The quality question matters too.

Stock footage

Strengths: Real human faces and expressions are usually more believable than AI-generated ones. Documentary or journalism content benefits from real footage. Specific recognizable locations only exist in real life.

Weaknesses: Stock looks like stock. The same "person typing at desk" clip appears in thousands of videos. Audiences are starting to recognize and resent overused footage. Stock is also frequently mismatched to the words being spoken because you are settling for "close enough."

Filming your own

Strengths: Maximum authenticity. Specific to your message. Builds your visual brand if you have a consistent aesthetic.

Weaknesses: You're limited to what you can physically reach and afford. Want a clip in a Tokyo subway? You're booking a flight. Quality varies wildly with experience and gear.

AI generation

Strengths: Specific to your script (you generate exactly what you need). With reference images, you can build a consistent visual identity that no stock library can match. Brand-aligned visuals at scale.

Weaknesses: Real human faces are still imperfect, especially in close-up. Multi-person interactions are hard. Anything that needs to feel obviously authentic (live event, candid documentary) reads wrong.

When each one is actually right

Stock footage is right when

You're producing high volume and need a deep library quickly
The visual context is generic enough that "any clip of this concept" works
You're on a tight subscription budget and have time to search
Your audience expects polished but not custom (corporate training, news segments)

Filming your own is right when

Authenticity is the brand (vlogs, documentary, journalism)
You're shooting a specific person, place, or product that needs to be real
You enjoy the production side and the time investment is itself the value
You have a recognizable aesthetic that AI cannot replicate yet

AI generation is right when

Script-to-visual fit matters more than authenticity
You're producing audio-first content (podcasts, voiceovers, faceless YouTube)
You need brand-consistent visuals across many videos with reference images
Your time is more expensive than $0.50 per clip

The hybrid approach (what most pros actually do in 2026)

Most working creators in May 2026 use a mix. The pattern looks like this:

Their own face on camera for the A-roll
AI-generated B-roll for the bulk of supporting visuals, with reference images locked to brand
Stock footage for specific real-world references (a recognized landmark, a real news event, a specific product shot)
Their own footage for moments that need authenticity (a clip of their actual workspace, their actual product, their travel)

This stack gives you script-matched visuals at scale while keeping the credibility of real footage where it matters.

The cost summary table

Numbers below are typical ranges for a 10-minute talking-head video with 25 B-roll clips. Your numbers will vary.

| Approach | Time per video | Hard cost | Best for | |----------|----------------|-----------|----------| | Stock subscription | 90 to 175 min | $30-100/mo flat | High volume, generic visuals | | Filming your own | 4 to 8 hours | $0 to $500+ | Authentic personal content | | AI generation | 15 to 30 min | $40-80/mo | Audio-first, branded, scale | | Hybrid (most pros) | 30 to 60 min | $50-130/mo | Real production work |

If you treat your time as worth $50 per hour, the time difference between filming and AI generation is roughly $200 to $400 of value per video. That's the actual delta hidden in your calendar.

TL;DR

AI generation wins on time per clip by a factor of 5 to 10 over both stock and filming.
Stock subscriptions are cheap on paper but expensive in time, and audiences increasingly recognize overused clips.
Filming your own is the most expensive option once you account for time, but authenticity in some niches is worth it.
Most working creators in 2026 use a hybrid: own A-roll, AI B-roll with reference images, stock for specific real-world references, own footage for authenticity moments.
Pick based on what your content actually needs, not on habit.

The right question is not "which is cheapest." It's "which gives me back the most hours to spend on the parts of my video that actually matter." For most creators in 2026, that answer is some version of the hybrid.