Claude Opus 5.5 (Canary Checkpoint) vs TypeSafe AI Jev

A direct, empirical evaluation of Claude Opus 5.5 (Canary Checkpoint) (Anthropic) against TypeSafe AI Jev (TypeSafe AI (Diogo Almeida)).

Claude Opus 5.5 (Canary Checkpoint)

Developed by Anthropic · Frontier Mixture-of-Experts Architecture parameters

Autonomous repository issue resolution (81.4% SWE-bench Verified), native 3D glTF/OBJ mesh synthesis, and sub-300ms time-to-first-token.

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 Claude Opus 5.5 (Canary Checkpoint) TypeSafe AI Jev
SWE-bench Verified 81.4% 68.4%
MMLU-Pro 94.2% 84.6%
MATH-500 97.9% 91.2%
Context Window 1,000,000 tokens 32,000 tokens
Input Pricing (per 1M) $5.00 $0.06
Output Pricing (per 1M) $25.00 $0.12