Claude Opus 4.5 vs Ember-1

Claude Opus 4.5 against Ember-1
Claude Opus 4.5Ember-1
Coding index44.052.6
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$25.00$15.00
Cost per solved task$1.37Not computable
Context window200K1.05M