Claude Sonnet 5.5
Anthropic
Input / 1M$2.00Output / 1M$10.00Arena1473Value1241,000 coding edits$12.00
Face-off
Claude Sonnet 5.5 versus GLM-5.2 on list price and published Arena rating. Claude Sonnet 5.5 Arena 1473 · GLM-5.2 Arena 1470 Blended list price Claude Sonnet 5.5 $8.00 and GLM-5.2 $3.65 per 1M tokens.
Anthropic
Alibaba
Claude Sonnet 5.5 leads by 2 Arena points. Claude Sonnet 5.5 costs 2.2x more, moving from Claude Sonnet 5.5 to GLM-5.2. The 1,000-edit cost uses a planning assumption of 2,000 input and 800 output tokens, not a measured trace. Share this face-off. The link renders an Open Graph image of the two models.