Meta Muse Spark 1.3 Contributor now live in Command Code. Most capable lowest cost model yet. Opus 5 & GPT 5.6 Sol class benchmark results.
Available in GOAT, Pro, Max, & API.
Check out @alexandr_wang's thread on this. Muse spark is one of the top five models in Command Code. 6T tokens already. And it's going open source next week! 🐐
Muse Spark 1.3 Contributor at a glance
Muse Spark 1.3 at up to 95% off.
| Spec | Muse Spark 1.3 Contributor |
|---|---|
| Model ID | meta/muse-spark-1.3-contributor |
| Context window | 1.05M tokens |
| Released | September 2, 2026 |
| Intelligence Index | 48.1 |
| Coding Index | 75.8 |
| Input | $0.10 per 1M tokens |
| Output | $0.20 per 1M tokens |
| Cache read | $0.002 per 1M tokens |
| Effective input in an agent loop | $0.03 per 1M tokens |
| Plans | Go and above |
Specs, pricing and plans are from the Muse Spark 1.3 Contributor model page as of September 28, 2026, including any deal running that day, so they can differ from the launch pricing above. Intelligence and Coding Index scores are from Artificial Analysis.
Use Muse Spark 1.3 Contributor
1cmd --model meta/muse-spark-1.3-contributorOr type /model in a session and pick it. You can switch mid-session without losing context.
What real work costs on Muse Spark 1.3 Contributor
| Task | Tokens (in · out) | Cost |
|---|---|---|
| Quick lookup / one-liner | 8K · 1K | $0.0003 |
| Review a 500-line PR | 60K · 4K | $0.0027 |
| Fix a bug (agent loop) | 180K · 12K | $0.0072 |
| Refactor a module | 320K · 20K | $0.01 |
| Full-repo agent run | 900K · 45K | $0.03 |
Try Command Code
The best coding agent for open models, in your terminal or on your desktop.
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