2026 Audit Report

Vidu 1.5 Max vs Spark 4.0

Is Vidu 1.5 Max worth the premium? Our automated audit reveals a 63% cost difference in production environments.

Last updated: Sep 22, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: HIGH

Axiom Verdict

"Major efficiency gain. Switching from Vidu 1.5 Max to Spark 4.0 cuts costs by half (63%). Recommended for high-volume batch processing."

Key Metrics

Axiom Snapshot
MetricVidu 1.5 MaxSpark 4.0
Input / 1M￥72.00￥27.00
Output / 1M￥0.00￥54.00
Cache Read-￥15.00
Context WindowN/A128K
Max Output1 Min4K
MultimodalYesNo
LatencyTBDTBD
Best FitContinuityEducation

Action Plan

  • Migrate high-volume workloads to Spark 4.0 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 MaxSpark 4.0
Input / 1M￥72.00￥27.00
Output / 1M￥0.00￥54.00
Cache Read￥0.00￥15.00

Use Case Analysis

Vidu 1.5 Max Wins
  • Continuity
Spark 4.0 Wins
  • Education

FAQ

Which model is cheaper: Vidu 1.5 Max or Spark 4.0?
Spark 4.0 shows a 63% 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 Spark 4.0 at 128K.
Which model is better for high-volume routing?
Spark 4.0 is the recommended L1/L2 router for cost efficiency.
Do cache discounts materially change costs?
Yes. Cache pricing can shift effective input costs by 10-90% depending on hit rate.
How often is this comparison updated?
This audit refreshes as model pricing changes. Last updated Sep 22, 2026.

Performance Radar

Vidu 1.5 Max
Spark 4.0

Cost Scaling (Monthly)

Vidu 1.5 Max vs Spark 4.0: 2026 Cost Audit | AxiomGrid