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. | 2.8T | 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. | 1M | 128k |
| Overview | ||
| Company | Moonshot AI | Z.ai |
| Release date | Oct 23 2026 | Jun 5 2024 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
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Kimi K3.1 Pro Highspeed 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 870 days before Kimi K3.1 Pro Highspeed, so benchmark comparisons should account for the intervening progress.
Kimi K3.1 Pro Highspeed has 2.8T parameters, while GLM-4-9B has 9B. Context windows are 1M (Kimi K3.1 Pro Highspeed) vs 128k (GLM-4-9B). Kimi K3.1 Pro Highspeed is closed, while GLM-4-9B is open weight.
Direct benchmark comparisons are unavailable — Kimi K3.1 Pro Highspeed and GLM-4-9B don't publish scores on any of the same benchmarks.