2026 Audit Report

DeepSeek-V3 vs Baichuan 4

Is DeepSeek-V3 worth the premium? Our automated audit reveals a 33% cost difference in production environments.

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

Axiom Verdict

"DeepSeek-V3 provides a solid 33.3% arbitrage opportunity. We recommend routing L1/L2 traffic here, while keeping Baichuan 4 for complex arbitration (L3)."

Key Metrics

Axiom Snapshot
MetricDeepSeek-V3Baichuan 4
Input / 1M¥1.01¥1.51
Output / 1M¥2.02¥3.02
Cache Read¥0.10¥0.86
Context Window128K128K
Max Output8K4K
MultimodalNoNo
LatencyTBDTBD
Best FitRoutingMedical

Action Plan

  • Route L1/L2 traffic to Baichuan 4 and reserve DeepSeek-V3 for complex tasks.
  • Pilot a two-week A/B traffic split to validate latency and quality.
  • Lock a fallback plan for peak load periods.

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

MetricDeepSeek-V3Baichuan 4
Input / 1M¥1.01¥1.51
Output / 1M¥2.02¥3.02
Cache Read¥0.10¥0.86

Use Case Analysis

DeepSeek-V3 Wins
  • Routing
Baichuan 4 Wins
  • Medical

FAQ

Which model is cheaper: DeepSeek-V3 or Baichuan 4?
Baichuan 4 shows a 33% cost advantage based on current input pricing.
When should I choose DeepSeek-V3?
DeepSeek-V3 is best for Routing.
How does the context window compare?
DeepSeek-V3 supports 128K context vs Baichuan 4 at 128K.
Which model is better for high-volume routing?
Baichuan 4 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

DeepSeek-V3
Baichuan 4

Cost Scaling (Monthly)

DeepSeek-V3 vs Baichuan 4: 2026 Cost Audit | AxiomGrid