GLM 5.1 vs GPT-4.1 Nano

GPT-4.1 Nano saves $14.2/mo vs GLM 5.1

Which one should I pick?

• Pick GPT-4.1 Nano if cost is the priority: it's 90% cheaper than GLM 5.1 on an average prompt.
• Pick GPT-4.1 Nano if you need to process long documents: its context window is 5× larger.
• Pick GLM 5.1 if answer quality is the priority: it's better positioned for your use case.
• Pick GPT-4.1 Nano if latency matters: it's noticeably faster.