2026 Audit Report

Gemini 3 Pro vs Yi Lightning

Is Gemini 3 Pro worth the premium? Our automated audit reveals a 94% cost difference in production environments.

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

Axiom Verdict

"CRITICAL ARBITRAGE DETECTED. Yi Lightning offers a massive 93.6% cost reduction vs Gemini 3 Pro. Unless you specifically require Google's ecosystem lock-in, migration is mandatory for solvency."

Key Metrics

Axiom Snapshot
MetricGemini 3 ProYi Lightning
Input / 1M￥187.50￥12.00
Output / 1M￥750.00￥24.00
Cache Read￥18.75￥3.60
Context Window2M+200K
Max Output8K4K
MultimodalYesNo
LatencyTBDTBD
Best FitRepo AuditInference

Action Plan

  • Migrate high-volume workloads to Yi Lightning for immediate cost relief.
  • Keep Gemini 3 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

MetricGemini 3 ProYi Lightning
Input / 1M￥187.50￥12.00
Output / 1M￥750.00￥24.00
Cache Read￥18.75￥3.60

Use Case Analysis

Gemini 3 Pro Wins
  • Repo Audit
Yi Lightning Wins
  • Inference

FAQ

Which model is cheaper: Gemini 3 Pro or Yi Lightning?
Yi Lightning shows a 94% cost advantage based on current input pricing.
When should I choose Gemini 3 Pro?
Gemini 3 Pro is best for Repo Audit.
How does the context window compare?
Gemini 3 Pro supports 2M+ 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 20, 2026.

Performance Radar

Gemini 3 Pro
Yi Lightning

Cost Scaling (Monthly)

Gemini 3 Pro vs Yi Lightning: 2026 Cost Audit | AxiomGrid