GPT-5.4 nano
GLM-5.1
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, GLM-5.1 is the premium intelligence choice, scoring 6.0% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: GPT-5.4 nano is 3.3x 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 nano offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of GLM-5.1 fully justifies the cost.
GPT-5.4 nano
Benchmarks & Scores
Cost & Performance
GLM-5.1
Benchmarks & Scores
Cost & Performance
Frequently Asked Questions
GPT-5.4 nano is cheaper than GLM-5.1. GPT-5.4 nano has a blended cost of $0.46/1M tokens, which is about 3.3x cheaper than GLM-5.1 at $1.50/1M tokens.
Speed data is not available for GLM-5.1, while GPT-5.4 nano generates 191 tokens per second.
GLM-5.1 is better for coding tasks. It scores 58.4% on coding evaluations (swe-bench-pro) compared to GPT-5.4 nano which scores 52.4%.
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