Model
Muse Spark 1.3 evaluated on the hub's 2 benchmarks
Released on 2 September 2026, Muse Spark 1.3 (Meta) joins the hub's rankings: its place on the Business Index, its strongest and weakest business functions, its cost and its hallucination rate.
Report written by the hub from the published rankings: every sentence is computed, none is an opinion.
- 8th of 27 on the Business Index, at 99.2% (95% margin of error: ± 1.5 points).
- 17.3 index points above Llama 4 Maverick, its predecessor at Meta, released on 5 April 2025.
- Mean cost per test: $0.0094, the 18th cheapest of the 27 models with a known price.
- Mean hallucination rate: 0.0%, the share of items missing from the source for which it invented a value.
- It took all 2 of the hub's benchmarks.
Scores by business function
| Business function | Score |
|---|---|
| Finance | 98.4% |
| Accounting | 100.0% |
| Human resources | Not tested |
| Legal | Not tested |
| Sales | Not tested |
| Marketing | Not tested |
| Customer service | Not tested |
| Procurement & logistics | Not tested |
| IT | Not tested |
| Management | Not tested |
| Business Index | 99.2% |