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Gemma 3 1B vs Gemma 3 4B

Gemma 3 4B leads the LLM Stats Score -1.9 to -10.5.

Google · Google · Updated for 2026

Which is better?

Gemma 3 4B leads the overall LLM Stats Score -1.9 to -10.5, ranking #337 overall.

In the 18 individual benchmarks reported for both models, Gemma 3 4B wins 18; 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 3 1B

  • you are already invested in the Google ecosystem

Choose Gemma 3 4B

  • overall performance matters — it scores -1.9 and ranks #337 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 18 of 18 exact shared results

At a glance

The differences that matter most.

Core performance indexes
-10.5
#367
-1.9
#337
-12.2
#361
-2.9
#334
-10.2
#264
-4.4
#255
Cost, coverage & limits
Benchmark wins
0 of 18
18 of 18
Input price
— / M
$0.02 / M
Output price
— / M
$0.04 / M
Context window
131,072

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemma 3 1B
Gemma 3 4B
-9.2#325
5.0#275
-4.1#52
6.5#44
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for Gemma 3 1B · 26 for Gemma 3 4B

18 shared

Gemma 3 1B outperforms in 0 benchmarks, while Gemma 3 4B is better at 18 benchmarks (BIG-Bench Extra Hard, BIG-Bench Hard, Bird-SQL (dev), ECLeKTic, FACTS Grounding, Global-MMLU-Lite, GPQA, GSM8k, HiddenMath, HumanEval, IFEval, LiveCodeBench, MATH, MBPP, MMLU-Pro, Natural2Code, SimpleQA, WMT24++).

Gemma 3 4B significantly outperforms across most benchmarks.

Wed Sep 16 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

3.0B diff

Gemma 3 4B has 3.0B more parameters than Gemma 3 1B, making it 300.0% larger.

Google
Gemma 3 1B
1.0Bparameters
Google
Gemma 3 4B
4.0Bparameters
1.0B
Gemma 3 1B
4.0B
Gemma 3 4B

Context Window

Maximum input and output token capacity

Only Gemma 3 4B specifies input context (131,072 tokens). Only Gemma 3 4B specifies output context (131,072 tokens).

Google
Gemma 3 1B
Input- tokens
Output- tokens
Google
Gemma 3 4B
Input131,072 tokens
Output131,072 tokens
Wed Sep 16 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemma 3 4B supports multimodal inputs, whereas Gemma 3 1B does not.

Gemma 3 4B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 3 1B

Text
Images
Audio
Video

Gemma 3 4B

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under Gemma.

Both models share the same licensing terms, providing consistent usage rights.

Gemma 3 1B

Gemma

Open weights

Gemma 3 4B

Gemma

Open weights

Release Timeline

When each model was launched

Both models were released on 2025-03-12.

They likely represent similar generations of model development.

Gemma 3 1B

Mar 12, 2025

1.5 years ago

Gemma 3 4B

Mar 12, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Gemma 3 4B has a documented knowledge cutoff of 2024-08-01, while Gemma 3 1B's cutoff date is not specified.

We can confirm Gemma 3 4B's training data extends to 2024-08-01, but cannot make a direct comparison without Gemma 3 1B's cutoff date.

Gemma 3 1B

Gemma 3 4B

Aug 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemma 3 1B and Gemma 3 4B side-by-side, then vote on the output you prefer.

Gemma 3 1B
✓ Preferred
Gemma 3 4B
Open in Playground

FAQ

Common questions about Gemma 3 1B vs Gemma 3 4B.

Which is better, Gemma 3 1B or Gemma 3 4B?

Gemma 3 4B leads the LLM Stats Score -1.9 to -10.5. Gemma 3 1B is made by Google and Gemma 3 4B is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemma 3 1B compare to Gemma 3 4B in benchmarks?

Gemma 3 1B scores IFEval: 80.2%, GSM8k: 62.8%, Natural2Code: 56.0%, MATH: 48.0%, HumanEval: 41.5%. Gemma 3 4B scores IFEval: 90.2%, GSM8k: 89.2%, DocVQA: 75.8%, MATH: 75.6%, AI2D: 74.8%.

What are the context window sizes for Gemma 3 1B and Gemma 3 4B?

Gemma 3 1B supports an unknown number of tokens and Gemma 3 4B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 3 1B and Gemma 3 4B?

Key differences include LLM Stats Score (-10.5 vs -1.9), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.