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. | 8B | — |
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. | 64k | 128k |
| Overview | ||
| Company | NVIDIA | OpenAI |
| Release date | Oct 23 2026 | Feb 27 2025 |
| Access | Open Weight | Closed |
| Model details | View model | View model |
Other comparisons
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Nemotron 3.5 Bolt E4B 4GB and GPT-4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4.5 shipped 603 days before Nemotron 3.5 Bolt E4B 4GB, so benchmark comparisons should account for the intervening progress.
Context windows are 64k (Nemotron 3.5 Bolt E4B 4GB) vs 128k (GPT-4.5). Nemotron 3.5 Bolt E4B 4GB is open weight, while GPT-4.5 is closed.
Direct benchmark comparisons are unavailable — Nemotron 3.5 Bolt E4B 4GB and GPT-4.5 don't publish scores on any of the same benchmarks.