GPT-5.5
GLM-5.2
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, GLM-5.2 is the premium intelligence choice, scoring 3.5% higher on coding benchmarks. However, GPT-5.5 compensates by delivering 1.0x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GPT-5.5 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of GLM-5.2 fully justifies the cost.
GPT-5.5
Benchmarks & Scores
Cost & Performance
GLM-5.2
Benchmarks & Scores
Cost & Performance
Frequently Asked Questions
GLM-5.2 is cheaper than GPT-5.5. GLM-5.2 has a blended cost of $2.15/1M tokens, which is about 5.2x cheaper than GPT-5.5 at $11.25/1M tokens.
Speed data is not available for GLM-5.2, while GPT-5.5 generates 72.7 tokens per second.
GLM-5.2 is better for coding tasks. It scores 62.1% on coding evaluations (swe-bench-pro) compared to GPT-5.5 which scores 58.6%.
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