GPT-5.4 nano vs GLM-4-Plus
OpenAI GPT-5.4 nano | Z.ai GLM-4-Plus | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Mar 17 2026 | Aug 29 2024 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 14% | — |
| Timeline | ||
| Release gap | GLM-4-Plus shipped 565 days before GPT-5.4 nano | |
Which is better: GPT-5.4 nano or GLM-4-Plus?
GPT-5.4 nano and GLM-4-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-Plus shipped 565 days before GPT-5.4 nano, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — GPT-5.4 nano and GLM-4-Plus don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-5.4 nano was released by OpenAI on Mar 17 2026.
GLM-4-Plus was released by Z.ai on Aug 29 2024.
Other comparisons
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