Comprehensive side-by-side LLM comparison
GLM-4.5-Air leads with 18.8% higher average benchmark score. Claude 3 Opus supports multimodal inputs. Claude 3 Opus is available on 3 providers. Overall, GLM-4.5-Air is the stronger choice for coding tasks.
Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
Zhipu AI
GLM-4.5 Air was created as a lightweight variant of GLM-4.5, designed to provide strong bilingual capabilities with improved efficiency. Built to serve applications requiring practical deployment with reduced resource requirements, it extends GLM-4.5's multilingual strengths to resource-conscious scenarios.
1 year newer

Claude 3 Opus
Anthropic
2024-02-29
GLM-4.5-Air
Zhipu AI
2025-07-28
Context window and performance specifications
Average performance across 2 common benchmarks

Claude 3 Opus
GLM-4.5-Air
Available providers and their performance metrics

Claude 3 Opus
Anthropic
Bedrock

Claude 3 Opus
GLM-4.5-Air

Claude 3 Opus
GLM-4.5-Air
GLM-4.5-Air