Claude Opus 5.5 vs Ember-1

Claude Opus 5.5 against Ember-1
Claude Opus 5.5Ember-1
Coding index88.852.6
Benchmarks behind it Verified, 5 benchmarks Partial, 2 benchmarks
Output $/Mtok$20.00$15.00
Cost per solved taskNot computableNot computable
Context window1M1.05M