Compare AI models
| Specifications | ||
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality. | — | 9B |
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 200k | 128k |
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | May 16 2025 | Jun 5 2024 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
codex-mini-latestvsClaude Fable 5.2GLM-4-9BvsClaude Fable 5.2codex-mini-latestvsGemini 4 CarbonGLM-4-9BvsGemini 4 Carboncodex-mini-latestvsMuse EmberGLM-4-9BvsMuse Embercodex-mini-latestvsGrok 4.7GLM-4-9BvsGrok 4.7codex-mini-latestvsDeepSeek-V4.1-Flash-1017GLM-4-9BvsDeepSeek-V4.1-Flash-1017codex-mini-latestvsMistral Large 4GLM-4-9BvsMistral Large 4Frequently asked questions
codex-mini-latest and GLM-4-9B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-9B shipped 345 days before codex-mini-latest, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (codex-mini-latest) vs 128k (GLM-4-9B). codex-mini-latest is closed, while GLM-4-9B is open weight.
Direct benchmark comparisons are unavailable — codex-mini-latest and GLM-4-9B don't publish scores on any of the same benchmarks.