2026 Audit Report

Vidu 1.5 Max vs HeyGen v4

Is Vidu 1.5 Max worth the premium? Our automated audit reveals a 100% cost difference in production environments.

Last updated: Oct 23, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: MEDIUM

Axiom Verdict

"CRITICAL ARBITRAGE DETECTED. Vidu 1.5 Max offers a massive 99.6% cost reduction vs HeyGen v4. Unless you specifically require HeyGen's ecosystem lock-in, migration is mandatory for solvency."

Key Metrics

Axiom Snapshot
MetricVidu 1.5 MaxHeyGen v4
Input / 1M￥72.00￥18,000.00
Output / 1M￥0.00￥0.00
Cache Read--
Context WindowN/AN/A
Max Output1 MinN/A
MultimodalYesYes
LatencyTBDTBD
Best FitContinuityAvatars

Action Plan

  • Migrate high-volume workloads to HeyGen v4 for immediate cost relief.
  • Keep Vidu 1.5 Max 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

MetricVidu 1.5 MaxHeyGen v4
Input / 1M￥72.00￥18,000.00
Output / 1M￥0.00￥0.00
Cache Read￥0.00￥0.00

Use Case Analysis

Vidu 1.5 Max Wins
  • Continuity
HeyGen v4 Wins
  • Avatars

FAQ

Which model is cheaper: Vidu 1.5 Max or HeyGen v4?
HeyGen v4 shows a 100% cost advantage based on current input pricing.
When should I choose Vidu 1.5 Max?
Vidu 1.5 Max is best for Continuity.
How does the context window compare?
Vidu 1.5 Max supports N/A context vs HeyGen v4 at N/A.
Which model is better for high-volume routing?
HeyGen v4 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 Oct 23, 2026.

Performance Radar

Vidu 1.5 Max
HeyGen v4

Cost Scaling (Monthly)

Vidu 1.5 Max vs HeyGen v4: 2026 Cost Audit | AxiomGrid