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Muse Spark 1.3 vs o3-mini

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

Muse Spark 1.3 Cost
$2.10
o3-mini Cost
$1.98
o3-mini is 6% cheaper
FeatureMuse Spark 1.3o3-mini
ProviderMetaOpenAI
Input Price (1M)$1.25$1.10
Output Price (1M)$4.25$4.40
Context Window1,048,576200,000

Verdict

Muse Spark 1.3 costs $1.25 per 1M input tokens and $4.25 per 1M output tokens. o3-mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens. o3-mini is 12% cheaper on input tokens than Muse Spark 1.3. For output tokens, Muse Spark 1.3 is the more affordable option at $4.25/1M vs $4.40.

On context window, Muse Spark 1.3 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 Muse Spark 1.3

  • ✓ Your workload is output-heavy — Muse Spark 1.3 generates text cheaper
  • ✓ You need a larger context window (1,048,576 tokens)
  • ✓ You are already integrated with Meta

When to choose o3-mini

  • ✓ You need the lowest input token cost ($ 1.10/1M)
  • ✓ You are already integrated with OpenAI

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 Muse Spark 1.3 cheaper than o3-mini?

o3-mini is cheaper on input tokens at $1.10/1M vs $1.25/1M for Muse Spark 1.3 — a 12% saving.

What is the context window of Muse Spark 1.3 vs o3-mini?

Muse Spark 1.3 has a 1,048,576-token context window. o3-mini has a 200,000-token context window. Muse Spark 1.3 supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Muse Spark 1.3 or o3-mini?

The best choice depends on your use case. For cost efficiency on input tokens, o3-mini is the cheaper option. For maximum context length, Muse Spark 1.3 supports 1,048,576 tokens. Use the comparison table above to find the right fit for your workload.