2026 Audit Report

Gamma Pro vs Yi Lightning

Is Gamma Pro worth the premium? Our automated audit reveals a 100% cost difference in production environments.

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

Axiom Verdict

"CRITICAL ARBITRAGE DETECTED. Yi Lightning offers a massive 99.6% cost reduction vs Gamma Pro. Unless you specifically require Gamma's ecosystem lock-in, migration is mandatory for solvency."

Key Metrics

Axiom Snapshot
MetricGamma ProYi Lightning
Input / 1M$20.00$0.08
Output / 1M$0.00$0.16
Cache Read-$0.02
Context WindowContext200K
Max OutputPPT4K
MultimodalYesNo
LatencyTBDTBD
Best FitSlidesInference

Action Plan

  • Migrate high-volume workloads to Yi Lightning for immediate cost relief.
  • Keep Gamma Pro 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

MetricGamma ProYi Lightning
Input / 1M$20.00$0.08
Output / 1M$0.00$0.16
Cache Read$0.00$0.02

Use Case Analysis

Gamma Pro Wins
  • Slides
Yi Lightning Wins
  • Inference

FAQ

Which model is cheaper: Gamma Pro or Yi Lightning?
Yi Lightning shows a 100% cost advantage based on current input pricing.
When should I choose Gamma Pro?
Gamma Pro is best for Slides.
How does the context window compare?
Gamma Pro supports Context context vs Yi Lightning at 200K.
Which model is better for high-volume routing?
Yi Lightning 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 21, 2026.

Performance Radar

Gamma Pro
Yi Lightning

Cost Scaling (Monthly)

Gamma Pro vs Yi Lightning: 2026 Cost Audit | AxiomGrid