token.app › Compare › Claude Sonnet 4 vs Muse Spark 1.2
Claude Sonnet 4 vs Muse Spark 1.2
Muse Spark 1.2 is 3.0× 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 Sonnet 4 | Muse Spark 1.2 | |
|---|---|---|
| Provider | Anthropic | Meta |
| Input $/1M | $3.00 | $1.25 |
| Output $/1M | $15.00 | $4.25 |
| Blended $/1M | $6.00 | $2.00 |
| Context window | 1M | 1.0M |
| Max output | 64K | — |
| Released | May 2025 | Aug 2026 |
| Licence | Proprietary | Proprietary |
Choose Claude Sonnet 4 if…
- No clear advantage on the data we hold.
Choose Muse Spark 1.2 if…
- Costs less per token — $2.00 vs $6.00 blended
- Larger context window (1.0M)
- Newer model (released Aug 2026)
FAQ
Which is better, Claude Sonnet 4 or Muse Spark 1.2?
We do not hold independently-run benchmark scores covering both Claude Sonnet 4 and Muse Spark 1.2, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Sonnet 4 cheaper than Muse Spark 1.2?
Muse Spark 1.2 is cheaper: $2.00 versus $6.00 per million tokens blended at 3:1 input:output. Input alone: $3.00 vs $1.25. Output alone: $15.00 vs $4.25.
What context windows do Claude Sonnet 4 and Muse Spark 1.2 have?
Claude Sonnet 4: 1,000,000 tokens. Muse Spark 1.2: 1,048,576 tokens.
Who makes Claude Sonnet 4 and Muse Spark 1.2?
Claude Sonnet 4 is made by Anthropic. Muse Spark 1.2 is made by Meta.