token.app › Compare › Muse Spark 1.2 vs Claude Opus 5 (Fast)
Muse Spark 1.2 vs Claude Opus 5 (Fast)
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
| Muse Spark 1.2 | Claude Opus 5 (Fast) | |
|---|---|---|
| Provider | Meta | Anthropic |
| Input $/1M | $1.25 | $10.00 |
| Output $/1M | $4.25 | $50.00 |
| Blended $/1M | $2.00 | $20.00 |
| Context window | 1.0M | 1M |
| Max output | — | 128K |
| Released | Aug 2026 | Jul 2026 |
| Licence | Proprietary | Proprietary |
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)
Choose Claude Opus 5 (Fast) if…
- No clear advantage on the data we hold.
FAQ
Which is better, Muse Spark 1.2 or Claude Opus 5 (Fast)?
We do not hold independently-run benchmark scores covering both Muse Spark 1.2 and Claude Opus 5 (Fast), so we make no quality claim. Their pricing and specifications are compared on this page.
Is Muse Spark 1.2 cheaper than Claude Opus 5 (Fast)?
Muse Spark 1.2 is cheaper: $2.00 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $10.00. Output alone: $4.25 vs $50.00.
What context windows do Muse Spark 1.2 and Claude Opus 5 (Fast) have?
Muse Spark 1.2: 1,048,576 tokens. Claude Opus 5 (Fast): 1,000,000 tokens.
Who makes Muse Spark 1.2 and Claude Opus 5 (Fast)?
Muse Spark 1.2 is made by Meta. Claude Opus 5 (Fast) is made by Anthropic.