OmniHuman v1.5 vs HeyGen: AI Avatar Platform Comparison

HeyGen charges you $24 to $48 every month whether you make one video or twenty. OmniHuman v1.5 charges you $7.20 per 30-second video and zero in months you skip. If you create fewer than three avatar videos a month, the math is over before you read the rest of this post.

Two Very Different Business Models

HeyGen is a SaaS platform built around monthly seats. You subscribe, you get a minutes-per-month allowance, and you create within that allowance until the month resets. If you cancel, your access goes with it.

OmniHuman v1.5 on Arteza is a pay-per-generation model. You subscribe once, and a 30-second video costs 72 credits (~$7.20). Credits do not expire each month. You spend them when you create, and you pay nothing when you do not.

The philosophical difference matters more than any single feature. HeyGen wants you to commit. OmniHuman lets you dip in and out.

Head-to-Head Feature Comparison

Where HeyGen Is Genuinely Better

Let's be honest about what HeyGen does well. Pretending otherwise helps nobody.

Built-in TTS and voice cloning. HeyGen's integrated text-to-speech removes the need for a separate tool. Paste a script, pick a voice, done. With OmniHuman v1.5 you bring your own audio, whether from a TTS service, a recording, or a podcast export.

Template library. HeyGen offers hundreds of pre-built templates for common formats: product demos, social ads, training modules. If you want to look like an existing HeyGen-branded video, HeyGen gets you there faster.

Team features. Higher HeyGen tiers include seats, brand kits, shared assets, and approval workflows. A 10-person marketing team juggling dozens of videos a month will appreciate these.

Stock avatars. Not every project needs a custom face. HeyGen's pre-approved avatars come with usage rights baked in, which some legal teams prefer.

Where OmniHuman v1.5 Wins

Cost for low-to-mid volume. Below three videos per month, OmniHuman is cheaper. At one video a month, HeyGen's $24 is 2.5x the OmniHuman cost. At zero videos a month, HeyGen is infinitely more expensive.

Custom photo flexibility. You can feed OmniHuman any portrait photo - a founder's headshot, an actor your brand has licensed, a Seedream-generated persona. HeyGen's custom photo avatars are feature-gated and historically less flexible.

Lip sync accuracy. OmniHuman's phoneme-level lip sync is consistently tighter, especially on non-English audio. The model reads actual speech sounds, not approximated timing.

Audio-driven gestures. HeyGen's gestures tend to loop from templates. OmniHuman generates motion that correlates with the specific audio you provide, which reads as more natural on close viewing.

No commitment. Spin up an account, buy $10 of credits, make a video, walk away. No billing cycles, no "canceled subscription still has access until Nov 30" emails.

Real-World Cost Math

Let's run the numbers on different usage patterns.

Scenario 1: Occasional creator (1 video/month)

• HeyGen Creator ($24/mo): $288/year
• OmniHuman v1.5: $7.20 x 12 = $86.40/year
• Winner: OmniHuman, saves $172.80/year

Scenario 2: Regular creator (5 videos/month)

• HeyGen Creator ($24/mo): $288/year (within allowance)
• OmniHuman v1.5: $7.20 x 60 = $432/year
• Winner: HeyGen, saves $288/year

Scenario 3: Heavy creator (20 videos/month)

• HeyGen Team ($48/mo): $576/year (if within allowance)
• OmniHuman v1.5: $7.20 x 240 = $1,728/year at the base rate, less on a monthly plan
• Winner: HeyGen at scale, if you stay within minute limits

Scenario 4: Spiky usage (30 videos one month, 0 the next 11)

• HeyGen ($24/mo, held for access): $288/year
• OmniHuman v1.5: $7.20 x 30 = $216/year, then $0
• Winner: Roughly tied, but OmniHuman lets you walk away at any point

The pattern is clear. OmniHuman wins on low and spiky usage. HeyGen wins on steady high volume where the subscription amortizes well.

Ready to try OmniHuman v1.5? Start creating free →

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Video Quality: The Actual Output

Both tools produce professional-grade video. The differences live in details that matter for polish.

Identity consistency. OmniHuman's diffusion pipeline keeps the face stable across frames with minimal drift. HeyGen's photo avatars are generally stable but can show occasional texture shifts on longer clips.

Mouth shapes. OmniHuman's phoneme mapping produces cleaner plosives and fricatives. HeyGen is good, but audiences who watch closely may catch small mismatches on fast speech.

Gesture variety. OmniHuman's audio-driven motion produces more varied and less loop-like gestures. HeyGen templates do the job but tend to repeat on longer content.

Background realism. Both platforms render backgrounds well. HeyGen offers more one-click background swaps. OmniHuman relies on your prompt to set the scene.

Workflow Comparison

HeyGen Workflow

1. Pick a template or avatar
2. Write script directly in the editor
3. Select voice from built-in TTS
4. Preview, edit, render
5. Download or share

OmniHuman v1.5 Workflow

1. Prepare or pick a reference photo
2. Generate or record your audio separately
3. Open OmniHuman v1.5 on Arteza
4. Upload photo, upload audio, write scene prompt
5. Choose 720p or 1080p, toggle turbo, generate
6. Download MP4

HeyGen's workflow is more turnkey for people who want to stay inside one tool. OmniHuman's workflow gives you more control over each input but assumes you have a TTS or recording solution.

Which One Should You Pick?

Pick HeyGen if:

• You create five or more avatar videos every month
• You want built-in TTS and don't want to manage audio separately
• You need team collaboration, brand kits, and approval workflows
• You rely on templates and stock avatars

Pick OmniHuman v1.5 if:

• You create fewer than three or four videos a month
• Your volume is spiky (busy months and quiet months)
• You need custom photo avatars without subscription gates
• Lip sync accuracy on non-English audio matters
• You hate subscriptions on principle

Many creators use both: HeyGen for bulk templated content, OmniHuman v1.5 for hero videos where custom photos and high-fidelity lip sync matter.

Getting Started with OmniHuman v1.5

You can compare HeyGen and OmniHuman firsthand for less than the cost of a HeyGen monthly plan.

1. Sign up for Arteza and receive 10 free credits
2. Subscribe to the $5 Starter plan for 60 credits (enough for one thirty-second video)
3. Prepare a photo and audio file
4. Open OmniHuman v1.5
5. Generate and compare against any HeyGen video you have made

For deeper reading, see the OmniHuman v1.5 complete guide and the pricing breakdown. For other comparisons, check OmniHuman v1.5 vs Synthesia and OmniHuman v1.5 vs D-ID.

Ready to try OmniHuman v1.5? Start creating free →