2026 Audit Report

GPT-5.2 Instant vs Vidu 1.5 Max

Is GPT-5.2 Instant worth the premium? Our automated audit reveals a 36% cost difference in production environments.

Last updated: Sep 20, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: HIGH

Axiom Verdict

"Vidu 1.5 Max provides a solid 36.0% arbitrage opportunity. We recommend routing L1/L2 traffic here, while keeping GPT-5.2 Instant for complex arbitration (L3)."

Key Metrics

Axiom Snapshot
MetricGPT-5.2 InstantVidu 1.5 Max
Input / 1M￥112.50￥72.00
Output / 1M￥450.00￥0.00
Cache Read￥56.25-
Context Window128KN/A
Max Output4K1 Min
MultimodalYesYes
LatencyTBDTBD
Best FitGeneral ChatContinuity

Action Plan

  • Route L1/L2 traffic to Vidu 1.5 Max and reserve GPT-5.2 Instant for complex tasks.
  • Pilot a two-week A/B traffic split to validate latency and quality.
  • Lock a fallback plan for peak load periods.

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

MetricGPT-5.2 InstantVidu 1.5 Max
Input / 1M￥112.50￥72.00
Output / 1M￥450.00￥0.00
Cache Read￥56.25￥0.00

Use Case Analysis

GPT-5.2 Instant Wins
  • General Chat
Vidu 1.5 Max Wins
  • Continuity

FAQ

Which model is cheaper: GPT-5.2 Instant or Vidu 1.5 Max?
Vidu 1.5 Max shows a 36% cost advantage based on current input pricing.
When should I choose GPT-5.2 Instant?
GPT-5.2 Instant is best for General Chat.
How does the context window compare?
GPT-5.2 Instant supports 128K 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?
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 20, 2026.

Performance Radar

GPT-5.2 Instant
Vidu 1.5 Max

Cost Scaling (Monthly)

GPT-5.2 Instant vs Vidu 1.5 Max: 2026 Cost Audit | AxiomGrid