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 | 253B |
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 |
| These models have no shared benchmark scores. | ||
LiveCodeBenchCompetitive coding — Coding problems published so recently the AI can't have seen them in training — a contamination-free test of raw programming skill. Higher is better. | — | 66.3% |
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 76% |
| Overview | ||
| Company | NVIDIA | |
| Release date | Oct 3 2024 | Apr 8 2025 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
Gemini 1.5 Flash-8BvsClaude Haiku 5.5Llama Nemotron Ultra 253BvsClaude Haiku 5.5Gemini 1.5 Flash-8BvsGPT-6.1 SolLlama Nemotron Ultra 253BvsGPT-6.1 SolGemini 1.5 Flash-8BvsMuse Spark OpenLlama Nemotron Ultra 253BvsMuse Spark OpenGemini 1.5 Flash-8BvsGrok 4.7Llama Nemotron Ultra 253BvsGrok 4.7Gemini 1.5 Flash-8BvsDeepSeek-V4.1-Flash-1017Llama Nemotron Ultra 253BvsDeepSeek-V4.1-Flash-1017Gemini 1.5 Flash-8BvsMistral Large 4Llama Nemotron Ultra 253BvsMistral Large 4Frequently asked questions
Gemini 1.5 Flash-8B and Llama Nemotron Ultra 253B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash-8B shipped 187 days before Llama Nemotron Ultra 253B, so benchmark comparisons should account for the intervening progress.
Gemini 1.5 Flash-8B has 8B parameters, while Llama Nemotron Ultra 253B has 253B. Context windows are 1M (Gemini 1.5 Flash-8B) vs 128k (Llama Nemotron Ultra 253B). Gemini 1.5 Flash-8B is closed, while Llama Nemotron Ultra 253B is open weight.
Direct benchmark comparisons are unavailable — Gemini 1.5 Flash-8B and Llama Nemotron Ultra 253B don't publish scores on any of the same benchmarks.