2026 Audit Report

HeyGen v4 vs Gamma Pro

Is HeyGen v4 worth the premium? Our automated audit reveals a 83% cost difference in production environments.

Last updated: Sep 21, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: MEDIUM

Axiom Verdict

"Major efficiency gain. Switching from HeyGen v4 to Gamma Pro cuts costs by half (83%). Recommended for high-volume batch processing."

Key Metrics

Axiom Snapshot
MetricHeyGen v4Gamma Pro
Input / 1M110,40 €18,40 €
Output / 1M0,00 €0,00 €
Cache Read--
Context WindowN/AContext
Max OutputN/APPT
MultimodalYesYes
LatencyTBDTBD
Best FitAvatarsSlides

Action Plan

  • Migrate high-volume workloads to Gamma Pro for immediate cost relief.
  • Keep HeyGen v4 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

MetricHeyGen v4Gamma Pro
Input / 1M110,40 €18,40 €
Output / 1M0,00 €0,00 €
Cache Read0,00 €0,00 €

Use Case Analysis

HeyGen v4 Wins
  • Avatars
Gamma Pro Wins
  • Slides

FAQ

Which model is cheaper: HeyGen v4 or Gamma Pro?
Gamma Pro shows a 83% cost advantage based on current input pricing.
When should I choose HeyGen v4?
HeyGen v4 is best for Avatars.
How does the context window compare?
HeyGen v4 supports N/A context vs Gamma Pro at Context.
Which model is better for high-volume routing?
Gamma Pro 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 21, 2026.

Performance Radar

HeyGen v4
Gamma Pro

Cost Scaling (Monthly)

HeyGen v4 vs Gamma Pro: 2026 Cost Audit | AxiomGrid