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

Runway API vs Stability AI API

AI Media APIs pricing comparison · 2026

Runway API pricing ranges from $0.01–$0.01/month, while Stability AI API ranges from $0.025–$0.08/per image. Runway API is typically 81% more affordable, though your actual cost depends on tier and team size.

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See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
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2 products · AI Media APIs
Side-by-side · live
R
Runway API
Runway API gives developers programmatic access to Runway's AI video, image, and audio gen
verified 7w ago
$820 $21K
View pricing →
Stability AI API
Stability AI API pricing operates on a credit-based model under the Developer (credit-base
verified 10d ago
$820 $21K
View pricing →
Verdict · Vendr median · year 1
Stability saves $20K vs Runway · 25 seats
Cheapest $820
Spread 96%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Pricing model unknown
Pricing model unknown
no public list price found
Usage-based
$0.08 per per image
see vendor pricing for volume tiers
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
Median annual
$21K/yr
Vendr · n=5 · limited data
↓ Lowest median
Median annual
$820/yr
Vendr · n=41
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 6 sourced facts
4 hidden-cost · Vendr median · 1 review platform
Last verified 1mo ago
Confidence Medium confidence
Sources 6 sourced facts
2 hidden-cost · 1 contract · Vendr median · 2 review platforms
Last verified 1w ago
Confidence Limited 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
4 documented
  • Credit Consumption Variability
    1 source
  • Separate Credit Systems
    1 source
  • Sales Tax
    1 source
  • Higher-End Model Costs
    1 source
2 documented
  • Developer Resources
    1 source
  • Rate Limit Management
    1 source
REF · 04

Contract terms

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

Runway
Stability
Auto-renewal
Yes
Cancellation
at any time; for Brand Studio, cancellation takes effect at the end of the billing cycle
Commitment
Implied for the discounted rate with annual billing for web application plans.
None for standard API usage; enterprise users may have annual volume commitments for discounted rates
Price escalation
Stability AI reserves the right to change fees with advance notice, with users agreeing to pay increased fees unless they cancel their subscription before the renewal term
Can downgrade
REF · 05

What users say

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

User reviews
TrustRadius · Trustpilot · G2
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
Trustpilot
3.8out of 5 (14)
G2
4.3out of 5 (30)
Best for
Developers using Stable Diffusion models
Watch out
resource-intensive
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

Runway API

$0.01–$0.01
/month
1 plan
Full pricing breakdown →
VS
AI Media APIs

Stability AI API

$0.025–$0.08
/per image
1 plan
Full pricing breakdown →

Plan-by-Plan Pricing

Plan Runway API Stability AI API
Pay-as-you-go (Credits) Custom Custom

Market Intelligence

Runway API

Median annual cost
$21,000
Based on
5 deals

Stability AI API

Median annual cost
$820
Based on
41 deals

What Users Say

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

Stability AI API

G2
4.3out of 5 (30)
Trustpilot
3.8out of 5 (14)
Top complaints
  • resource-intensive
  • requiring patience during image generation
  • buggy interfaces

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

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 →

Stability AI API 2 hidden costs

medium
Developer Resources
medium
Rate Limit Management
See all Stability AI API hidden costs →

Contract Terms

Term Runway API Stability AI API
Auto-renewal Yes
Cancellation at any time; for Brand Studio, cancellation takes effect at the end of the billing cycle
Minimum commitment Implied for the discounted rate with annual billing for web application plans. None for standard API usage; enterprise users may have annual volume commitments for discounted rates
Price escalation Stability AI reserves the right to change fees with advance notice, with users agreeing to pay increased fees unless they cancel their subscription before the renewal term

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