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

Kling API vs Runway API

AI Media APIs pricing comparison · 2026

Kling API pricing ranges from $0.084–$0.42/per second of video, while Runway API ranges from $0.01–$0.01/month. Runway API is typically 96% more affordable, though your actual cost depends on tier and team size.

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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 9w ago
View pricing →
R
Runway API
Runway API gives developers programmatic access to Runway's AI video, image, and audio gen
verified 7w 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 37 sourced facts
34 hidden-cost · 2 contract · 1 review platform
Last verified 2mo ago
Confidence Medium confidence
Sources 6 sourced facts
4 hidden-cost · Vendr median · 1 review platform
Last verified 1mo 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
—
Implied for the discounted rate with annual billing for web application plans.
Price escalation
No published schedule; users report no mid-contract increases but encounter difficulty cancelling before renewal
—
Can downgrade
—
—
Based on 2 verified sources (Vendr · TrustRadius · BBB)
REF · 05

What users say

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

User reviews
TrustRadius · Trustpilot · G2
Trustpilot
1.08out of 5 (25)
Best for
Developers using standard-quality Kling video generation
Watch out
Credits consumed by failed, stuck, or moderation-rejected generations with no refund
Trustpilot
1.2out of 5 (271)
Best for
Developers integrating Runway's AI video, image, and audio models on a usage basis
Watch out
perceived high cost compared to alternatives
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Kling pricing
Discount programs →
Visit Runway pricing
Discount programs →
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

$0.084–$0.42
/per second of video
5 plans
Full pricing breakdown →
VS
AI Media APIs

Runway API

$0.01–$0.01
/month
1 plan
Full pricing breakdown →

Plan-by-Plan Pricing

Plan Kling API Runway API
Standard mode (pay-per-unit) Custom Custom
Pro mode (pay-per-unit) Custom —
4K mode (pay-per-unit) Custom —
Resource Packages (prepaid) Custom —
Custom Resource Package Custom —

What Users Say

Kling API

Trustpilot
1.08out of 5 (25)
Top complaints
  • Credits consumed by failed, stuck, or moderation-rejected generations with no refund
  • Unused credits expire monthly and do not roll over, even on annual plans
  • Subscription required on top of prepaid credits to remove watermarks or access 1080p output

Runway API

Trustpilot
1.2out of 5 (271)
Top complaints
  • perceived high cost compared to alternatives
  • Disappointing and inaccurate results
  • limited credits provided with paid subscriptions

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

Kling API 16 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 — Implied for the discounted rate with annual billing for web application plans.
Price escalation No published schedule; users report no mid-contract increases but encounter difficulty cancelling before renewal —

Continue researching

Kling API

Runway API

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