Grok-4 vs Nova 2 Omni
Grok-4 leads the LLM Stats Score 33.5 to 25.3.
xAI · Amazon · Updated for 2026
Which is better?
Grok-4 leads the overall LLM Stats Score 33.5 to 25.3, ranking #119 overall.
In the 1 individual benchmarks reported for both models, Nova 2 Omni wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok-4
- overall performance matters — it scores 33.5 and ranks #119 on LLM Stats
Choose Nova 2 Omni
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Dec 2025
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
7 reported for Grok-4 · 18 for Nova 2 Omni
Grok-4 outperforms in 0 benchmarks, while Nova 2 Omni is better at 1 benchmark (AIME 2025).
Nova 2 Omni significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Grok-4 specifies input context (256,000 tokens). Only Grok-4 specifies output context (8,000 tokens).
Input capabilities
Documented input modalities across available providers
Both Grok-4 and Nova 2 Omni support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Grok-4
Nova 2 Omni
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Grok-4 was released on 2025-07-09, while Nova 2 Omni was released on 2025-12-02.
Nova 2 Omni is 5 months newer than Grok-4.
Jul 9, 2025
1.3 years ago
Dec 2, 2025
10 months ago
4mo newerKnowledge Cutoff
When training data ends
Grok-4 has a documented knowledge cutoff of 2024-12-31, while Nova 2 Omni's cutoff date is not specified.
We can confirm Grok-4's training data extends to 2024-12-31, but cannot make a direct comparison without Nova 2 Omni's cutoff date.
Dec 2024
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Outputs Comparison
Judge for yourself.
Run your own prompts against Grok-4 and Nova 2 Omni side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok-4 vs Nova 2 Omni.