Claude Opus 4 vs GLM-4-Plus

Performance benchmarks + pricing comparison — updated April 2026

Claude Opus 4

Anthropic

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForComplex architecture decisions, debugging hard bugs, research
Benchmark86/100

GLM-4-Plus

Zhipu AI

Zhipu AI's balanced model. Strong Chinese language understanding with competitive coding ability.

Input$0.700/M
Output$0.700/M
Context128K tokens
Best ForChinese applications, code generation, function calling

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioClaude Opus 4GLM-4-PlusSavings
Small Script (1K lines) $3.08 $0.05 GLM-4-Plus saves $3.03 (99%)
Medium Feature (10K lines) $23.29 $0.38 GLM-4-Plus saves $22.90 (98%)
Large Project (50K lines) $116.44 $1.92 GLM-4-Plus saves $114.51 (98%)
Code Review (5K lines) $6.02 $0.14 GLM-4-Plus saves $5.88 (98%)

Verdict

GLM-4-Plus wins on both price and performance — $0.700/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models