2026 Audit Report

Runway Gen-4 vs Vidu 1.5 Max

Is Runway Gen-4 worth the premium? Our automated audit reveals a 99% cost difference in production environments.

Last updated: Sep 8, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: MEDIUM

Axiom Verdict

"CRITICAL ARBITRAGE DETECTED. Vidu 1.5 Max offers a massive 98.9% cost reduction vs Runway Gen-4. Unless you specifically require Runway's ecosystem lock-in, migration is mandatory for solvency."

Key Metrics

Axiom Snapshot
MetricRunway Gen-4Vidu 1.5 Max
Input / 1M$45.00$0.48
Output / 1M$0.00$0.00
Cache Read--
Context WindowN/AN/A
Max Output1 Min1 Min
MultimodalYesYes
LatencyTBDTBD
Best FitAdsContinuity

Action Plan

  • Migrate high-volume workloads to Vidu 1.5 Max for immediate cost relief.
  • Keep Runway Gen-4 only for edge-case arbitration and premium reasoning.
  • Set a weekly cost audit to prevent pricing drift.

Methodology

  • Pricing is normalized to cost per 1M input/output tokens for direct comparison.
  • Arbitrage gap compares current input pricing against the higher-priced model.
  • Quality tier reflects pricing completeness, context window, and use-case coverage.

Pricing Matrix

MetricRunway Gen-4Vidu 1.5 Max
Input / 1M$45.00$0.48
Output / 1M$0.00$0.00
Cache Read$0.00$0.00

Use Case Analysis

Runway Gen-4 Wins
  • Ads
Vidu 1.5 Max Wins
  • Continuity

FAQ

Which model is cheaper: Runway Gen-4 or Vidu 1.5 Max?
Vidu 1.5 Max shows a 99% cost advantage based on current input pricing.
When should I choose Runway Gen-4?
Runway Gen-4 is best for Ads.
How does the context window compare?
Runway Gen-4 supports N/A context vs Vidu 1.5 Max at N/A.
Which model is better for high-volume routing?
Vidu 1.5 Max is the recommended L1/L2 router for cost efficiency.
Do cache discounts materially change costs?
Cache pricing is not published for at least one model; treat cache savings as unknown.
How often is this comparison updated?
This audit refreshes as model pricing changes. Last updated Sep 8, 2026.

Performance Radar

Runway Gen-4
Vidu 1.5 Max

Cost Scaling (Monthly)

Runway Gen-4 vs Vidu 1.5 Max: 2026 Cost Audit | AxiomGrid