Muse Spark 1.3
The GoBench figure is for the separate 'Contributor' variant (meta/muse-spark-1.3-contributor on OpenRouter), shown outside the main ranking.
- Vendor
- Meta
- Kind
- llm
- Tier
- mid
- Weights
- closed
- Released
- 2026-09
- Context
- 1,049k tokens
Our Go rating
Not rated yet: ratings come from tournament games against bots of known strength. See the leaderboard.
Games here
No published game yet.
Benchmarks
| Measure | Value | Unit | As of | Source |
|---|---|---|---|---|
| LMArena text (Max) | 1,496 | Elo | 2026-11 | LMArena (arena.ai) Text leaderboard, page dated 2026-11-09 |
Other games
| Measure | Value | Unit | As of | Source |
|---|---|---|---|---|
| GoBench 9x9 Track 1, no tools (Muse Spark 1.3 Contributor variant, High), ±227 | 1,449 | Elo (GoBench scale) | 2026-11-03 | GoBench (Roland Gao): LLMs play full 9x9 games vs calibrated KataGo le |
How we run it
- needs-key
openrouter·meta/muse-spark-1.3— OPENROUTER_API_KEY not set