2026 Audit Report

Spark 4.0 vs Consensus

Is Spark 4.0 worth the premium? Our automated audit reveals a 98% cost difference in production environments.

Last updated: Oct 24, 2026Sources: AxiomGrid Model Wiki · Provider pricing pagesQuality: HIGH

Axiom Verdict

"CRITICAL ARBITRAGE DETECTED. Spark 4.0 offers a massive 98.0% cost reduction vs Consensus. Unless you specifically require Consensus's ecosystem lock-in, migration is mandatory for solvency."

Key Metrics

Axiom Snapshot
MetricSpark 4.0Consensus
Input / 1M0,17 €8,28 €
Output / 1M0,33 €0,00 €
Cache Read0,09 €-
Context Window128KContext
Max Output4KText
MultimodalNoNo
LatencyTBDTBD
Best FitEducationScience

Action Plan

  • Migrate high-volume workloads to Consensus for immediate cost relief.
  • Keep Spark 4.0 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

MetricSpark 4.0Consensus
Input / 1M0,17 €8,28 €
Output / 1M0,33 €0,00 €
Cache Read0,09 €0,00 €

Use Case Analysis

Spark 4.0 Wins
  • Education
Consensus Wins
  • Science

FAQ

Which model is cheaper: Spark 4.0 or Consensus?
Consensus shows a 98% cost advantage based on current input pricing.
When should I choose Spark 4.0?
Spark 4.0 is best for Education.
How does the context window compare?
Spark 4.0 supports 128K context vs Consensus at Context.
Which model is better for high-volume routing?
Consensus 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 Oct 24, 2026.

Performance Radar

Spark 4.0
Consensus

Cost Scaling (Monthly)

Spark 4.0 vs Consensus: 2026 Cost Audit | AxiomGrid