xAI Grok 4.5 VS Z.ai (Zhipu AI) GLM-5.1
⚖️Our Take
If your budget allows, Grok 4.5 is the superior choice here, offering a clear benchmark advantage while carrying only a slight price premium (1.4x). We recommend choosing GLM-5.1 only if you need to optimize costs for very high-volume pipelines.
Was this recommendation helpful?
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+6.3%)
64.7%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+6.8%)
93%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$3.00Input: $2.00 | Output: $6.00Context WindowLarger
500k tokensBenchmarks & Scores
Coding (swe-bench-pro)
58.4%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
86.2%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)1.4x cheaper
$2.15Input: $1.40 | Output: $4.40Context Window
202.75k tokensFrequently Asked Questions about Grok 4.5 vs GLM-5.1 comparison
GLM-5.1 is cheaper than Grok 4.5. GLM-5.1 has a blended cost of $2.15/1M tokens, which is about 1.4x cheaper than Grok 4.5 at $3.00/1M tokens.
Grok 4.5 is better for coding tasks on this benchmark. It scores 64.7% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to GLM-5.1 which scores 58.4%.
Related Matchups
Explore similar comparisons for Grok 4.5 and GLM-5.1.