token.app › Compare › GPT-5 Pro vs Muse Spark 1.2
GPT-5 Pro vs Muse Spark 1.2
Muse Spark 1.2 is 21× 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
| GPT-5 Pro | Muse Spark 1.2 | |
|---|---|---|
| Provider | OpenAI | Meta |
| Input $/1M | $15.00 | $1.25 |
| Output $/1M | $120.00 | $4.25 |
| Blended $/1M | $41.25 | $2.00 |
| Context window | 400K | 1.0M |
| Max output | 128K | — |
| Released | Oct 2025 | Aug 2026 |
| Licence | Proprietary | Proprietary |
Choose GPT-5 Pro if…
- No clear advantage on the data we hold.
Choose Muse Spark 1.2 if…
- Costs less per token — $2.00 vs $41.25 blended
- Larger context window (1.0M)
- Newer model (released Aug 2026)
FAQ
Which is better, GPT-5 Pro or Muse Spark 1.2?
We do not hold independently-run benchmark scores covering both GPT-5 Pro and Muse Spark 1.2, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5 Pro cheaper than Muse Spark 1.2?
Muse Spark 1.2 is cheaper: $2.00 versus $41.25 per million tokens blended at 3:1 input:output. Input alone: $15.00 vs $1.25. Output alone: $120.00 vs $4.25.
What context windows do GPT-5 Pro and Muse Spark 1.2 have?
GPT-5 Pro: 400,000 tokens. Muse Spark 1.2: 1,048,576 tokens.
Who makes GPT-5 Pro and Muse Spark 1.2?
GPT-5 Pro is made by OpenAI. Muse Spark 1.2 is made by Meta.