Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
Benchmarks
| Benchmark | Category | Score | Variant | Provenance | Source | Observed |
|---|---|---|---|---|---|---|
| AA Agentic Index | agentic | 49.3 | — | independent | aa | Aug 7, 2026 |
| 49.3 | — | mirror | openrouter | Aug 18, 2026 | ||
| AA Coding Index | coding | 72.2 | — | independent | aa | Aug 6, 2026 |
| 72.2 | — | mirror | openrouter | Aug 18, 2026 | ||
| AA Intelligence Index | intelligence | 56.8 | — | independent | aa | Aug 7, 2026 |
| 56.8 | — | mirror | openrouter | Aug 18, 2026 | ||
| Design Arena — 3d | preference | 1337 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — agenticgamedev | preference | 1179 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — androidnative | preference | 1243 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — codecategories | preference | 1334 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — dataviz | preference | 1351 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — fullstack | preference | 1236 | — | mirror | openrouter | Sep 2, 2026 |
| Design Arena — gamedev | preference | 1345 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — htmlslides | preference | 1144 | — | mirror | openrouter | Sep 3, 2026 |
| Design Arena — mobileapps | preference | 1213 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — python-pptxslides | preference | 1223 | — | mirror | openrouter | Aug 21, 2026 |
| Design Arena — svg | preference | 1327 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — uicomponent | preference | 1349 | — | mirror | openrouter | Sep 4, 2026 |
| Design Arena — webapps | preference | 1256 | — | mirror | openrouter | Aug 31, 2026 |
| Design Arena — website | preference | 1327 | — | mirror | openrouter | Sep 3, 2026 |
| Median output speed | speed | 245 tok/s | — | independent | aa | Sep 4, 2026 |
| Median time to first token | speed | 15.58s | — | independent | aa | Sep 4, 2026 |
Includes index data from Artificial Analysis.
Providers
Live operational stats per hosting endpoint, via OpenRouter.
| Provider | Quant | Context | $/1M in · out | Uptime 24h | Latency | Throughput |
|---|---|---|---|---|---|---|
| Meta | — | 1.0M | $1.25 · $4.25 | 100.00% | — | — |