SIDE BY SIDE
Muse Spark 1.3 Contributor vs Muse Spark Open
Both are Llama models. Muse Spark Open was added to OpenRouter on 2026-10-15, Muse Spark 1.3 Contributor on 2026-09-02.
| Field | Muse Spark 1.3 Contributor | Muse Spark Open |
|---|---|---|
| Provider | Meta | Meta |
| Family | Llama | Llama |
| Province | Snow Country | Snow Country |
| Context window | 1.05M tokens | 1.05M tokens |
| Maximum output | 944K tokens | 944K tokens |
| Input / 1M tokens | $0.100 | $1.25 |
| Output / 1M tokens | $0.200 | $4.25 |
| Accepts | text, files, images, video | text, audio, files, images, video |
| Produces | text | text |
| Reasoning | Yes | Yes |
| Tool use | Yes | Yes |
| Added to OpenRouter | 2026-09-02 | 2026-10-15 |
| Model ID | meta/muse-spark-1.3-contributor | meta/muse-spark-open |
Questions and answers
Which is cheaper, Muse Spark 1.3 Contributor or Muse Spark Open?
Muse Spark 1.3 Contributor costs less for both input ($0.100 vs $1.25) and output ($0.200 vs $4.25) per million tokens. On input, Muse Spark 1.3 Contributor is 92% cheaper.
Which has the larger context window?
Both have a 1.05M-token context window.
What can one do that the other cannot?
Nothing among reasoning, tool use and image input: both support reasoning, tool use and image input.
Answers are computed from the 2026-10-24 catalog snapshot.
See Muse Spark 1.3 Contributor in 3DSee Muse Spark Open in 3D