token.app › Compare › Gemini 3.1 Pro Preview Custom Tools vs Muse Spark 1.2

Gemini 3.1 Pro Preview Custom Tools vs Muse Spark 1.2

Muse Spark 1.2 is 2.3× cheaper per token on a blended 3:1 basis.

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3.1 Pro Preview Custom ToolsMuse Spark 1.2
ProviderGoogleMeta
Input $/1M$2.00$1.25
Output $/1M$12.00$4.25
Blended $/1M$4.50$2.00
Context window1.0M1.0M
Max output66K—
ReleasedFeb 2026Aug 2026
LicenceProprietaryProprietary
Choose Gemini 3.1 Pro Preview Custom Tools if…
  • No clear advantage on the data we hold.
Choose Muse Spark 1.2 if…
  • Costs less per token — $2.00 vs $4.50 blended
  • Newer model (released Aug 2026)
FAQ
Which is better, Gemini 3.1 Pro Preview Custom Tools or Muse Spark 1.2?
We do not hold independently-run benchmark scores covering both Gemini 3.1 Pro Preview Custom Tools and Muse Spark 1.2, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 3.1 Pro Preview Custom Tools cheaper than Muse Spark 1.2?
Muse Spark 1.2 is cheaper: $2.00 versus $4.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $1.25. Output alone: $12.00 vs $4.25.
What context windows do Gemini 3.1 Pro Preview Custom Tools and Muse Spark 1.2 have?
Gemini 3.1 Pro Preview Custom Tools: 1,048,576 tokens. Muse Spark 1.2: 1,048,576 tokens.
Who makes Gemini 3.1 Pro Preview Custom Tools and Muse Spark 1.2?
Gemini 3.1 Pro Preview Custom Tools is made by Google. Muse Spark 1.2 is made by Meta.
Related comparisons
Gemini 3.1 Pro Preview Custom Tools full details Muse Spark 1.2 full details Gemini 3.1 Pro Preview Custom Tools vs Ling 3.0 Tiny (free) Gemini 3.1 Pro Preview Custom Tools vs Qwen3.8 Max Gemini 3.1 Pro Preview Custom Tools vs DeepSeek V4 Flash Latest Gemini 3.1 Pro Preview Custom Tools vs DeepSeek V4 Flash 0731 Gemini 3.1 Pro Preview Custom Tools vs Inkling Small Gemini 3.1 Pro Preview Custom Tools vs Qwen3.7 Flash