Muse Spark 1.3 (xhigh) vs TypeSafe AI Jev

A direct, empirical evaluation of Muse Spark 1.3 (xhigh) (Meta AI) against TypeSafe AI Jev (TypeSafe AI (Diogo Almeida)).

Muse Spark 1.3 (xhigh)

Developed by Meta AI · Proprietary Multimodal parameters

Autonomous codebase refactoring, terminal execution, million-token long context retrieval, and agentic workflows.

TypeSafe AI Jev

Developed by TypeSafe AI (Diogo Almeida) · Non-Autoregressive System 1 Transformer parameters

Sub-15ms operational tasks, 100% schema-valid JSON extraction, deterministic tool dispatch, and high-throughput agent routing.

Metric Muse Spark 1.3 (xhigh) TypeSafe AI Jev
SWE-bench Verified 75.4% 68.4%
MMLU-Pro 88.4% 84.6%
MATH-500 94.8% 91.2%
Context Window 1,000,000 tokens 32,000 tokens
Input Pricing (per 1M) $1.25 $0.06
Output Pricing (per 1M) $5.00 $0.12