xAI: Grok 4.20 vs NVIDIA: Nemotron 3 Super
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- xAI: Grok 4.20 has a 2000K-token context window — 2.0× larger than NVIDIA: Nemotron 3 Super's 1000K.
- NVIDIA: Nemotron 3 Super is 93% cheaper per 1K input tokens than xAI: Grok 4.20 ($0.0001 vs $0.0013).
- xAI: Grok 4.20 is built by xAI; NVIDIA: Nemotron 3 Super is built by NVIDIA.
- xAI: Grok 4.20 supports vision (image inputs); the other does not.
Specifications
| xAI: Grok 4.20 | NVIDIA: Nemotron 3 Super | |
|---|---|---|
| Provider | xAI | NVIDIA |
| Context window | 2000K | 1000K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0013 | $0.0001 |
| Output price / 1K tokens | $0.0025 | $0.0004 |
| Vision support | Yes | No |
| Function calling | No | No |
| License | Proprietary | Proprietary |
About xAI: Grok 4.20
US·ClosedGrok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
View xAI: Grok 4.20 reliability and benchmark history →About NVIDIA: Nemotron 3 Super
US·ClosedNVIDIA Nemotron 3 Super is a 120B-parameter open hybrid MoE model, activating just 12B parameters for maximum compute efficiency and accuracy in complex multi-agent applications. Built on a hybrid Mamba-Transformer...
View NVIDIA: Nemotron 3 Super reliability and benchmark history →Try them yourself
Run the same prompt against xAI: Grok 4.20 and NVIDIA: Nemotron 3 Super side-by-side on PromptPit.
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