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Grok 3 Mini vs Ministral 3 8B

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

Grok 3 Mini Cost
$0.40
Ministral 3 8B Cost
$0.18
Ministral 3 8B is 55% cheaper
FeatureGrok 3 MiniMinistral 3 8B
ProviderxAIMistral
Input Price (1M)$0.30$0.15
Output Price (1M)$0.50$0.15
Context Window131,000262,000

Verdict

Grok 3 Mini costs $0.30 per 1M input tokens and $0.50 per 1M output tokens. Ministral 3 8B costs $0.15 per 1M input tokens and $0.15 per 1M output tokens. Ministral 3 8B is 50% cheaper on input tokens than Grok 3 Mini. For output tokens, Ministral 3 8B is the more affordable option at $0.15/1M vs $0.50.

On context window, Ministral 3 8B supports 262,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose Grok 3 Mini

  • ✓ You are already integrated with xAI

When to choose Ministral 3 8B

  • ✓ You need the lowest input token cost ($ 0.15/1M)
  • ✓ Your workload is output-heavy — Ministral 3 8B generates text cheaper
  • ✓ You need a larger context window (262,000 tokens)
  • ✓ You are already integrated with Mistral

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is Grok 3 Mini cheaper than Ministral 3 8B?

Ministral 3 8B is cheaper on input tokens at $0.15/1M vs $0.30/1M for Grok 3 Mini — a 50% saving.

What is the context window of Grok 3 Mini vs Ministral 3 8B?

Grok 3 Mini has a 131,000-token context window. Ministral 3 8B has a 262,000-token context window. Ministral 3 8B supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Grok 3 Mini or Ministral 3 8B?

The best choice depends on your use case. For cost efficiency on input tokens, Ministral 3 8B is the cheaper option. For maximum context length, Ministral 3 8B supports 262,000 tokens. Use the comparison table above to find the right fit for your workload.