Kling API vs Runway API Pricing | Costbench
Compare / Kling API vs Runway API
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Team size
25 seats

Kling API vs Runway API

AI Media APIs pricing comparison · 2026

Kling API pricing ranges from $0.056–$0.42/per second of video, while Runway API uses custom pricing.

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2 products · AI Media APIs
Side-by-side · live
K
Kling API
Kling API pricing is entirely usage-based with no flat monthly fee — access is available t
verified 28d ago
View pricing →
R
Runway API
Runway API gives developers programmatic access to Runway's AI video, image, and audio gen
verified 22d ago
View pricing →
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Usage-based
$0.084 per per second
see vendor pricing for volume tiers
Pricing model unknown
Pricing model unknown
no public list price found
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
No Vendr data
Not in Vendr's deal flow
Median annual
$21K/yr
Vendr · n=5 · limited data
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 73 sourced facts
68 hidden-cost · 4 contract · 1 review platform
Last verified 4w ago
Confidence Medium confidence
Sources 6 sourced facts
4 hidden-cost · Vendr median · 1 review platform
Last verified 3w ago
Confidence Medium confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
5 documented
  • Credit Expiration on Daily Bonus Credits
    5-15% of license costs
    2 sources
  • Significant Pricing Volatility Across Model Versions
    40-60%
    3 sources
  • Multiple Regenerations Required for Acceptable Output
    $0.50-$3.00 per final 10-second clip
    3 sources
  • Opaque Credit System Causes Unintended Overspend
    5-10% of license costs
    3 sources
  • Inconsistent Content Moderation Consuming Credits
    5-20% of credit costs
    2 sources
4 documented
  • Credit Consumption Variability
    1 source
  • Separate Credit Systems
    1 source
  • Sales Tax
    1 source
  • Higher-End Model Costs
    1 source
REF · 04

Contract terms

The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.

Kling
Runway
Auto-renewal
Yes
Cancellation
Commitment
Monthly or annual depending on plan selected at signup
Implied for the discounted rate with annual billing for web application plans.
Price escalation
No published escalation schedule; annual plans auto-renew at current rate
Can downgrade
Yes
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
Trustpilot
1.1out of 5 (24)
Best for
Developers using standard 720P video generation
Watch out
Auto-renewal charges processed despite written cancellation requests, with no refunds issued
Trustpilot
1.2out of 5 (271)
Best for
Developers integrating Runway's AI video, image, and audio models on a usage basis
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
AI Media APIs

Kling API

$0.056–$0.42
/per second of video
6 plans
Full pricing breakdown →
VS
AI Media APIs

Runway API

Custom pricing
/month
1 plan
Full pricing breakdown →

Plan-by-Plan Pricing

Plan Kling API Runway API
Standard (720P, pay-per-unit) Custom Custom
Pro (1080P, pay-per-unit) Custom
4K (pay-per-unit) Custom
Avatar & Motion Control (pay-per-unit) Custom
Resource Packages (prepaid) Custom
Custom Resource Package Custom

What Users Say

Kling API

Trustpilot
1.1out of 5 (24)
Top complaints
  • Auto-renewal charges processed despite written cancellation requests, with no refunds issued
  • Credits reset to zero when switching to a lower-tier plan or cancelling
  • Failed and off-prompt generations consume credits with no refund or credit-back

Runway API

Trustpilot
1.2out of 5 (271)

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

Kling API 33 hidden costs

medium
Credit Expiration on Daily Bonus Credits 5-15% of license costs
high
Significant Pricing Volatility Across Model Versions 40-60%
high
Multiple Regenerations Required for Acceptable Output $0.50-$3.00 per final 10-second clip
medium
Opaque Credit System Causes Unintended Overspend 5-10% of license costs
medium
Inconsistent Content Moderation Consuming Credits 5-20% of credit costs
See all Kling API hidden costs →

Runway API 4 hidden costs

medium
Credit Consumption Variability
medium
Separate Credit Systems
low
Sales Tax
medium
Higher-End Model Costs
See all Runway API hidden costs →

Contract Terms

Term Kling API Runway API
Auto-renewal Yes
Cancellation
Minimum commitment Monthly or annual depending on plan selected at signup Implied for the discounted rate with annual billing for web application plans.
Price escalation No published escalation schedule; annual plans auto-renew at current rate
Can downgrade Yes

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