2026 Audit Report

Gemini 3 Ultra vs DeepSeek-V3

Is Gemini 3 Ultra worth the premium? Our automated audit reveals a 97% cost difference in production environments.

Last updated: Sep 6, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: HIGH

Axiom Verdict

"CRITICAL ARBITRAGE DETECTED. DeepSeek-V3 offers a massive 97.2% cost reduction vs Gemini 3 Ultra. Unless you specifically require Google's ecosystem lock-in, migration is mandatory for solvency."

Key Metrics

Axiom Snapshot
MetricGemini 3 UltraDeepSeek-V3
Input / 1M4,60 €0,13 €
Output / 1M23,00 €0,26 €
Cache Read2,30 €0,01 €
Context Window2M128K
Max Output8K8K
MultimodalYesNo
LatencyTBDTBD
Best FitVideo AnalysisRouting

Action Plan

  • Migrate high-volume workloads to DeepSeek-V3 for immediate cost relief.
  • Keep Gemini 3 Ultra 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 UltraDeepSeek-V3
Input / 1M4,60 €0,13 €
Output / 1M23,00 €0,26 €
Cache Read2,30 €0,01 €

Use Case Analysis

Gemini 3 Ultra Wins
  • Video Analysis
DeepSeek-V3 Wins
  • Routing

FAQ

Which model is cheaper: Gemini 3 Ultra or DeepSeek-V3?
DeepSeek-V3 shows a 97% cost advantage based on current input pricing.
When should I choose Gemini 3 Ultra?
Gemini 3 Ultra is best for Video Analysis.
How does the context window compare?
Gemini 3 Ultra supports 2M context vs DeepSeek-V3 at 128K.
Which model is better for high-volume routing?
DeepSeek-V3 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 6, 2026.

Performance Radar

Gemini 3 Ultra
DeepSeek-V3

Cost Scaling (Monthly)

Gemini 3 Ultra vs DeepSeek-V3: 2026 Cost Audit | AxiomGrid