Gemma 2 27B vs Gemma 2 9B
Gemma 2 27B and Gemma 2 9B are closely matched at -0.7 and -4.9 on the LLM Stats Score.
Google · Google · Updated for 2026
Which is better?
Gemma 2 27B and Gemma 2 9B are closely matched on the overall LLM Stats Score at -0.7 and -4.9.
In the 16 individual benchmarks reported for both models, Gemma 2 27B wins 16; 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 value its reported benchmark strengths — it wins 16 of 16 exact shared results
Choose Gemma 2 9B
- you are already invested in the Google ecosystem
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 · 16 for Gemma 2 9B
Gemma 2 27B outperforms in 16 benchmarks (AGIEval, ARC-C, ARC-E, BIG-Bench, BoolQ, GSM8k, HellaSwag, HumanEval, MATH, MBPP, MMLU, Natural Questions, PIQA, Social IQa, TriviaQA, Winogrande), while Gemma 2 9B is better at 0 benchmarks.
Gemma 2 27B significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
Gemma 2 27B has 18.0B more parameters than Gemma 2 9B, making it 194.4% larger.
License
Usage and distribution terms
Both models are licensed under Gemma.
Both models share the same licensing terms, providing consistent usage rights.
Gemma
Open weights
Gemma
Open weights
Release Timeline
When each model was launched
Both models were released on 2024-06-27.
They likely represent similar generations of model development.
Jun 27, 2024
2.2 years ago
Jun 27, 2024
2.2 years ago
Knowledge 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 Gemma 2 9B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemma 2 27B vs Gemma 2 9B.