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Grok 3 Mini vs Muse Spark 1.2

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

Grok 3 Mini Cost
$0.40
Muse Spark 1.2 Cost
$2.10
Grok 3 Mini is 81% cheaper
FeatureGrok 3 MiniMuse Spark 1.2
ProviderxAIMeta
Input Price (1M)$0.30$1.25
Output Price (1M)$0.50$4.25
Context Window131,0001,048,576

Verdict

Grok 3 Mini costs $0.30 per 1M input tokens and $0.50 per 1M output tokens. Muse Spark 1.2 costs $1.25 per 1M input tokens and $4.25 per 1M output tokens. Grok 3 Mini is 76% cheaper on input tokens than Muse Spark 1.2. For output tokens, Grok 3 Mini is the more affordable option at $0.50/1M vs $4.25.

On context window, Muse Spark 1.2 supports 1,048,576 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 need the lowest input token cost ($ 0.30/1M)
  • ✓ Your workload is output-heavy — Grok 3 Mini generates text cheaper
  • ✓ You are already integrated with xAI

When to choose Muse Spark 1.2

  • ✓ You need a larger context window (1,048,576 tokens)
  • ✓ You are already integrated with Meta

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 Muse Spark 1.2?

Grok 3 Mini is cheaper on input tokens at $0.30/1M vs $1.25/1M for Muse Spark 1.2 — a 76% saving.

What is the context window of Grok 3 Mini vs Muse Spark 1.2?

Grok 3 Mini has a 131,000-token context window. Muse Spark 1.2 has a 1,048,576-token context window. Muse Spark 1.2 supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Grok 3 Mini or Muse Spark 1.2?

The best choice depends on your use case. For cost efficiency on input tokens, Grok 3 Mini is the cheaper option. For maximum context length, Muse Spark 1.2 supports 1,048,576 tokens. Use the comparison table above to find the right fit for your workload.