2026 Audit Report

GPT-5.2 Pro vs Gamma Pro

Is GPT-5.2 Pro worth the premium? Our automated audit reveals a 5% cost difference in production environments.

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

Axiom Verdict

"The price gap is minimal (4.8%). Choice should depend on latency requirements, regional availability, and your existing data gravity with OpenAI."

Key Metrics

Axiom Snapshot
MetricGPT-5.2 ProGamma Pro
Input / 1M$21.00$20.00
Output / 1M$168.00$0.00
Cache Read--
Context Window512KContext
Max Output16KPPT
MultimodalYesYes
LatencyTBDTBD
Best FitArbitrationSlides

Action Plan

  • Use performance benchmarks to decide based on latency and availability.
  • Negotiate volume discounts with OpenAI or Gamma.
  • Re-evaluate pricing monthly and update routing thresholds.

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 ProGamma Pro
Input / 1M$21.00$20.00
Output / 1M$168.00$0.00
Cache Read$0.00$0.00

Use Case Analysis

GPT-5.2 Pro Wins
  • Arbitration
Gamma Pro Wins
  • Slides

FAQ

Which model is cheaper: GPT-5.2 Pro or Gamma Pro?
Gamma Pro shows a 5% cost advantage based on current input pricing.
When should I choose GPT-5.2 Pro?
GPT-5.2 Pro is best for Arbitration.
How does the context window compare?
GPT-5.2 Pro supports 512K context vs Gamma Pro at Context.
Which model is better for high-volume routing?
Both models are close in price; choose based on latency and availability.
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

GPT-5.2 Pro
Gamma Pro

Cost Scaling (Monthly)

GPT-5.2 Pro vs Gamma Pro: 2026 Cost Audit | AxiomGrid