AI avatar video tool reviews, each scored the same way

Six AI avatar video tools, each reviewed on the same five weighted criteria and the same dated evidence, so two reviews can be read side by side. The score is a formula; the formula is public.

HeyGen

$0.19

per finished minute, entry plan billed monthly

Dearest documented engine
$1.50 a minute
Entry plan
Creator, $29.00/mo, 150 min
Training license over uploads
Yes, HeyGen Terms of Service
Humva score
6.6 / 10
Captured from heygen.com/pricing HeyGen review

Every review prints this card: the same rows, captured the same way, for every tool. Top of the ranking on Humva Scorecard v1.

The reviews

Each card uses the same picture its review opens with.

Every indexed tool, priced at your volume

Pick the engine and your minutes a month; the cards re-price and re-sort from the Cost Index.

Avatar engine
60 min

Sorted by real cost per finished minute at 60 minutes a month on the standard engine, billed monthly. Sorted by documented cost, not by quality.

Vidnoz

#1

$0.45

per finished minute at 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
Starter 450 credits, $26.99/mo, covers 105 min
Training license over uploads
Not yet checked
Humva score
Not yet scored
Captured from vidnoz.com/pricing.html

HeyGen

#2

$0.48

per finished minute at 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
Creator, $29.00/mo, covers 150 min
Training license over uploads
Yes, HeyGen Terms of Service
Humva score
6.6 / 10
Captured from heygen.com/pricing HeyGen review

Synthesia

#3

$1.48

per finished minute at 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
Pro 6,000 credits, $89.00/mo, covers 75 min
Training license over uploads
Not yet checked
Humva score
6.4 / 10
Captured from synthesia.io/pricing Synthesia review

InVideo AI

#4

$2.50

per finished minute at 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
Max (1 seat), $150.00/mo, covers 69 min
Training license over uploads
Not yet checked
Humva score
4.5 / 10
Captured from invideo.io/pricing InVideo AI review

D-ID

#5

$3.27

per finished minute at 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
Advanced, $196.00/mo, covers 100 min
Training license over uploads
Not yet checked
Humva score
5.0 / 10
Captured from d-id.com/pricing/studio D-ID pricing

Akool

#6

$4.15

per finished minute at 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
Business (1 seat), $249.00/mo, covers 200 min
Training license over uploads
Not yet checked
Humva score
Not yet scored
Captured from akool.com/pricing

Captions

No plan

no documented plan covers 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
None documented
Training license over uploads
Not yet checked
Humva score
3.6 / 10
Captured from captions.ai/pricing Captions review

Colossyan

No plan

no documented plan covers 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
None documented
Training license over uploads
Not yet checked
Humva score
Not yet scored
Captured from colossyan.com/pricing

Elai

No plan

no documented plan covers 60 min a month

Dearest documented engine
Switch the dial to price it
Plan that covers it
None documented
Training license over uploads
Not yet checked
Humva score
Not yet scored
Captured from elai.io/pricing

Hedra

No rate

the vendor does not publish a minute rate

Dearest documented engine
Switch the dial to price it
Plan that covers it
None documented
Training license over uploads
Not yet checked
Humva score
Not yet scored
Captured from hedra.com/pricing

Prices from 90 plan rows across 10 tools, captured 2026-10-14. A plan's price divided by the minutes you use: an unused allowance still costs money.

Where the reviewed tools sit on cost

Entry plan, cost per finished minute, billed monthly

Cost per finished minute across 9 AI avatar video tools HeyGen $0.19, Vidnoz $0.26, D-ID $0.59, Synthesia $1.05, Akool $1.80, Elai $1.93, Colossyan $2.23, InVideo AI $3.60, Captions $8.00. Index minimum $0.14, maximum $8.00. $0.10 $0.25 $1 $4 HeyGen $0.19 Vidnoz $0.26 D-ID $0.59 Synthesia $1.05 Akool $1.80 Elai $1.93 Colossyan $2.23 InVideo AI $3.60 Captions $8.00
Cost per finished minute, one row per tool HeyGen $0.19, Vidnoz $0.26, D-ID $0.59, Synthesia $1.05, Akool $1.80, Elai $1.93, Colossyan $2.23, InVideo AI $3.60, Captions $8.00. HeyGen $0.19 Vidnoz $0.26 D-ID $0.59 Synthesia $1.05 Akool $1.80 Elai $1.93 Colossyan $2.23 InVideo AI $3.60 Captions $8.00 $0.10 $10
Log scale. Each tick is one tool's entry paid plan billed monthly, on its documented best-case engine. Index range $0.14 (Vidnoz, annual) to $8.00 (Captions). Source: Humva AI Avatar Video Cost Index, captured .

Questions about these reviews

  • A score is published only after the formula has been applied to dated evidence for that tool. Until then the page shows the evidence, never a guessed number.
  • No. Every score is the published Humva Scorecard over documented evidence: pricing, plan limits, terms and independent user sentiment.
  • No. The formula is identical for tools with and without a partner program, and its weights are public.
  • Every price carries its capture date; the Cost Index was last captured 2026-10-14.

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Humva Scorecard, v1

total = sum(criterion score 0-10 x weight) / 100, shown to one decimal

  • 30% Cost per finished minute
  • 20% Plan limits and output rights
  • 20% Terms, likeness and data
  • 15% Pricing transparency and stability
  • 15% Independent user sentiment
Read how every score is computed

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