Muse Spark 1.3
A faster, cheaper creative model for everyday content work, trading some of Wonder's polish for throughput and lower cost.
At a glance
Released
Jul 30, 2026
Provider
Meta
Context window
200,000 tokens
Max output
16,000 tokens
Modalities
Text + image → text + image
Knowledge cutoff
March 2026
API model ID
muse-spark-1.3License
Proprietary (API-only)
Pricing
Standard
Input$1.25 / 1M
Output$4.25 / 1M
* Rates are from a third-party aggregator — verify before relying on them. A typical 1,500-token prompt with a 650-token answer costs ≈ $0.005 on the standard tier. Run your own prompt through the calculator →
What's new vs the previous model
Compared withMuse Spark 1.0 (February 2026)
- Better prompt adherence and image consistency
- Faster generation at lower price
- Narrower modality set than Wonder, no audio
Best use cases
Social content
Drafts posts and matching visuals at volume for marketing teams.
Product imagery
Produces quick variations of hero images and thumbnails.
Iterative drafting
Supports rapid creative iteration where cost per run matters.
Strengths & limitations
Strengths
- Good creative value
- Fast
- Image input and output
Limitations
- Less refined than Muse Wonder
- API-only
How to test it
- No-code: open meta.ai and pick Muse Spark 1.3 from the model switcher — no API key needed.
- API: Muse Spark 1.3 has no public API — it is available only inside Meta's apps.