Gemma 2 27B vs Grok-2
Grok-2 leads the LLM Stats Score 11.6 to -0.5.
Google · xAI · Updated for 2026
Which is better?
Grok-2 leads the overall LLM Stats Score 11.6 to -0.5, ranking #246 overall.
In the 3 individual benchmarks reported for both models, Grok-2 wins 3; 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 Gemma 2 27B
- you need open weights you can self-host or fine-tune
Choose Grok-2
- overall performance matters — it scores 11.6 and ranks #246 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 3 of 3 exact shared results
- you want the most recent training data — it shipped Aug 2024
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
16 reported for Gemma 2 27B · 8 for Grok-2
Gemma 2 27B outperforms in 0 benchmarks, while Grok-2 is better at 3 benchmarks (HumanEval, MATH, MMLU).
Grok-2 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-2 specifies input context (128,000 tokens). Only Grok-2 specifies output context (8,000 tokens).
Input capabilities
Documented input modalities across available providers
Grok-2 supports multimodal inputs, whereas Gemma 2 27B does not.
Grok-2 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemma 2 27B
Grok-2
License
Usage and distribution terms
Gemma 2 27B is licensed under Gemma, while Grok-2 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Gemma
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Gemma 2 27B was released on 2024-06-27, while Grok-2 was released on 2024-08-13.
Grok-2 is 2 months newer than Gemma 2 27B.
Jun 27, 2024
2.2 years ago
Aug 13, 2024
2.1 years ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemma 2 27B and Grok-2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemma 2 27B vs Grok-2.