OpenAIGPT-5.5 ProVSZ.ai (Zhipu AI)GLM-5
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing GPT-5.5 Pro and GLM-5 directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Benchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+10.2%)
96.2%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$67.50Input: $30.00 | Output: $180.00Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-verified)
77.8%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)
86%graduate-level science QA
Cost & Context
Cost (per 1M tokens)43.5x cheaper
$1.55Input: $1.00 | Output: $3.20Context Window
202.75k tokensFrequently Asked Questions about GPT-5.5 Pro vs GLM-5
GLM-5 is cheaper than GPT-5.5 Pro. GLM-5 has a blended cost of $1.55/1M tokens, which is about 43.5x cheaper than GPT-5.5 Pro at $67.50/1M tokens.
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