token.app › Compare › Claude Opus 4.8 (Fast) vs Muse Spark 1.2

Claude Opus 4.8 (Fast) vs Muse Spark 1.2

Muse Spark 1.2 is 10× cheaper per token on a blended 3:1 basis. Muse Spark 1.2 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 4.8 (Fast)Muse Spark 1.2
ProviderAnthropicMeta
Input $/1M$10.00$1.25
Output $/1M$50.00$4.25
Blended $/1M$20.00$2.00
Context window1M1.0M
Max output128K—
ReleasedMay 2026Aug 2026
LicenceProprietaryProprietary
Choose Claude Opus 4.8 (Fast) if…
  • No clear advantage on the data we hold.
Choose Muse Spark 1.2 if…
  • Costs less per token — $2.00 vs $20.00 blended
  • Larger context window (1.0M)
  • Newer model (released Aug 2026)
FAQ
Which is better, Claude Opus 4.8 (Fast) or Muse Spark 1.2?
We do not hold independently-run benchmark scores covering both Claude Opus 4.8 (Fast) and Muse Spark 1.2, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 4.8 (Fast) cheaper than Muse Spark 1.2?
Muse Spark 1.2 is cheaper: $2.00 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $10.00 vs $1.25. Output alone: $50.00 vs $4.25.
What context windows do Claude Opus 4.8 (Fast) and Muse Spark 1.2 have?
Claude Opus 4.8 (Fast): 1,000,000 tokens. Muse Spark 1.2: 1,048,576 tokens.
Who makes Claude Opus 4.8 (Fast) and Muse Spark 1.2?
Claude Opus 4.8 (Fast) is made by Anthropic. Muse Spark 1.2 is made by Meta.
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