GPT-5.4 mini
GLM-5.2
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, GLM-5.2 is the premium intelligence choice, scoring 7.7% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: GPT-5.4 mini is 1.3x cheaper to run and delivers 1.0x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GPT-5.4 mini 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-5.4 mini
Benchmarks & Scores
Cost & Performance
GLM-5.2
Benchmarks & Scores
Cost & Performance
Frequently Asked Questions
GPT-5.4 mini is cheaper than GLM-5.2. GPT-5.4 mini has a blended cost of $1.69/1M tokens, which is about 1.3x cheaper than GLM-5.2 at $2.15/1M tokens.
Speed data is not available for GLM-5.2, while GPT-5.4 mini generates 201 tokens per second.
GLM-5.2 is better for coding tasks. It scores 62.1% on coding evaluations (swe-bench-pro) compared to GPT-5.4 mini which scores 54.4%.
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