OpenAI GPT-5.6 Sol VS Z.ai (Zhipu AI) GLM-5
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, GLM-5 is the premium intelligence choice, scoring 13.2% higher on coding benchmarks. It also maintains strong cost efficiency. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GPT-5.6 Sol offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of GLM-5 fully justifies the cost.
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Model Specs
GPT-5.6 Sol
Benchmarks & Scores
Coding (swe-bench-pro)
64.6%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+8.6%)
94.6%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$11.25Input: $5.00 | Output: $30.00Context WindowLarger
1.05M tokensModel Specs
GLM-5
Benchmarks & Scores
Coding (swe-bench-verified)
77.8%good at editing existing code, cross-file updates, and multi-component systems
Reasoning (gpqa-diamond)
86%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)7.3x cheaper
$1.55Input: $1.00 | Output: $3.20Context Window
204.8k tokensFrequently Asked Questions about GPT-5.6 Sol vs GLM-5 comparison
GLM-5 is cheaper than GPT-5.6 Sol. GLM-5 has a blended cost of $1.55/1M tokens, which is about 7.3x cheaper than GPT-5.6 Sol at $11.25/1M tokens.
For coding tasks, GPT-5.6 Sol scores 64.6% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases), while GLM-5 scores 77.8% on swe-bench-verified (good at editing existing code, cross-file updates, and multi-component systems).
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