Google’s Gemma family now covers cloud servers, laptops, and small edge devices.
Many developers feel unsure which version fits their first or next project.

Each generation adds more context length, multimodal input, and smarter reasoning, but also new trade-offs.

This guide compares Gemma 4 vs Gemma 3 vs Gemma 3n so you can make a calm, sensible choice.

What Is Gemma 4, Gemma 3, and Gemma 3n?

Gemma is Google’s family of open models for text, code, and multimodal tasks.

The models use transformer architectures, which are networks that process sequences like text tokens in parallel.

Recent Gemma versions add vision, audio, long context, and strong reasoning, while still running on modest hardware.

What Is Gemma 4?

Gemma 4 is the newest Gemma generation and the most capable open family from Google so far.

It ships in four main sizes: Effective 2B (E2B), Effective 4B (E4B), 26B Mixture of Experts (A4B), and 31B dense.

Small models focus on phones and laptops, while the 31B dense model targets workstations and servers. All variants support text and images, and the smaller E2B and E4B models also accept audio input.

What Is Gemma 3?

Gemma 3 is the previous major Gemma generation, based on Gemini 2.0 research.
It ranges from 270M to 27B parameters and supports a context window up to 128K tokens.

The models support over 140 languages and handle both text and images.
Instruction-tuned variants focus on chat, question answering, coding, and long-form reasoning.

What Is Gemma 3n?

Gemma 3n is an edge-first branch of the Gemma 3 family.

It is designed for everyday devices like phones, laptops, tablets, and small boards.
Two main sizes exist: E2B (about 5B raw parameters) and E4B (about 8B raw parameters).

Thanks to its MatFormer architecture and per-layer embeddings, these models run with memory use close to classic 2B and 4B models.

Key Features of Each Model Family

• Multimodal input: Gemma 4, Gemma 3, and Gemma 3n all handle text and images; Gemma 4 and Gemma 3n also support audio, and Gemma 4 supports video in some variants.
• Long context: Gemma 3 supports up to 128K tokens, while Gemma 4 extends context length up to 256K in the 31B model.
• Edge-friendly sizes: Gemma 4 E2B and E4B, plus Gemma 3n E2B and E4B, target phones, laptops, and small boards.
• High reasoning quality: Gemma 4 31B scores around 85 percent on the MMLU Pro benchmark, well above Gemma 3 27B.
• Coding strength: Gemma 4 31B reaches about 80 percent on LiveCodeBench v6, while Gemma 3 27B scores around 29 percent.
• Multilingual reach: Gemma 3 and Gemma 4 support over 140 languages and strong performance on Global-MMLU-Lite and translation benchmarks.
• On-device focus: Gemma 3n runs on 2GB to 3GB of memory and still handles visual question answering and real-time video analysis on edge devices.

How to Install or Set Up Gemma Models

Option 1: Use Google AI Studio and the Gemini API

1. Create or sign in to a Google account and open Google AI Studio at aistudio.google.com.
2. On the Chat page, open the Run settings panel and choose a Gemma 3 or Gemma 4 model from the model list.
3. Type a prompt in the chat box and click Run to test the model in your browser.
4. To use the API, click Get API key in AI Studio and generate a server key for your project.
5. Install the Google generative AI client library in Python and configure it with your API key.
6. In your code, create a GenerativeModel or client with the Gemma model name, such as "gemma-3-27b-it" or "gemma-4-31b-it".
7. Call the generate_content or similar method with your prompt and handle the response text in your application.

Option 2: Run Gemma 3 or Gemma 3n Locally with Ollama

1. Download and install Ollama for Windows, macOS, or Linux from the official site.
2. Open a terminal and use ollama pull gemma3:4b or another Gemma 3 tag to download the model weights.
3. Run ollama run gemma3:4b to start an interactive chat session with the model.
4. To use Gemma 3n, install Ollama and llama.cpp from source, then pull the Gemma 3n E2B or E4B GGUF model from Hugging Face and run it through llama-server.
5. Optionally connect Ollama to tools like LangChain so your application can send prompts over HTTP and receive responses programmatically.

Option 3: Deploy Gemma 3 or Gemma 4 to Cloud Run

1. In Google AI Studio, select a Gemma 3 or Gemma 4 model in Run settings.
2. Design a basic prompt flow for your app, then open the View more actions menu and choose Deploy to Cloud Run.
3. AI Studio creates a GPU-enabled Cloud Run service that runs the selected Gemma model.
4. Use the Google GenAI SDK with an HttpOptions base_url that points to your Cloud Run endpoint, and send generate_content requests to that service.
5. Scale the service using Cloud Run settings for CPU, GPU, and max instances if your traffic grows.

How to Run or Use Gemma 4, Gemma 3, and Gemma 3n

For quick experiments, AI Studio is the easiest entry point.

Select a Gemma model, type a question, and inspect the response quality for your domain. You can then move to the API or local deployment when the behaviour matches your needs.

For programmatic use with Google’s API, a simple Python snippet looks like this:

pythonfrom google import genai
client = genai.Client(api_key="YOUR_API_KEY")
model = "gemma-4-31b-it" # or "gemma-3-4b-it", "gemma-3n-e4b-it"
response = client.models.generate_content(
model=model,
contents=["Explain the pros and cons of Gemma 4 compared to Gemma 3n."]
)
print(response.text)

To run Gemma 3 locally with Ollama, the basic flow is straightforward.

bash# Pull a Gemma 3 model
ollama pull gemma3:4b

# Start an interactive chat session
ollama run gemma3:4b

For Gemma 3n on constrained hardware, you can use llama.cpp or related tools.
You download a quantized GGUF file, start a local server, and connect through HTTP.

This setup suits edge devices where you must keep data on device and control latency.

In real projects, many teams chain Gemma with tools.

Gemma 4 and Gemma 3 support function calling and structured JSON output, which helps connect the model to databases, search APIs, or business logic.

Gemma 3n brings similar patterns to low-power hardware, so you can build offline assistants or on-device copilots.

Benchmark Results

The table below highlights representative benchmark scores for popular variants.
Scores come from official model cards, provider dashboards, and independent evaluation sites.

Model (IT variant)	Parameters (approx)	Key Benchmark	Score	Source
Gemma 4 31B	31B dense	MMLU Pro	85.2%	Google model card / LM Studio
Gemma 4 31B	31B dense	LiveCodeBench v6	80.0%	Google model card
Gemma 4 31B	31B dense	AIME 2026 (no tools)	89.2%	Google model card
Gemma 4 E4B	~4.5B effective	MMLU Pro	69.4%	Google model card
Gemma 3 27B	27B dense	MMLU (5-shot)	78.6%	Gemma 3 benchmarks
Gemma 3 27B	27B dense	GSM8K (5-shot)	82.6%	Gemma 3 benchmarks
Gemma 3 4B	4B dense	GSM8K	89.2%	LLM Stats
Gemma 3 4B	4B dense	IFEval	90.2%	LLM Stats
Gemma 3n E4B	~8B raw	ARC-E	81.6%	LLM Stats
Gemma 3n E4B	~8B raw	HellaSwag	78.6%	LLM Stats

These results show a clear pattern:

• Gemma 4 31B leads in complex reasoning and coding benchmarks, while Gemma 3 27B and 4B still perform very well on many academic and math tests.
• Gemma 3n E4B lands below Gemma 3 4B in raw scores but offers far lower memory use, which matters for phones and small boards.

Testing Details

Most public benchmarks run on instruction-tuned variants with standard decoding settings.

Typical tests use temperature around 0.2 to 0.7 and top-p sampling, which balances diversity and accuracy. Evaluation suites like MMLU Pro, GSM8K, and LiveCodeBench cover knowledge, math, and code tasks.

For Gemma 4, Google and partners evaluated models on long-context tasks up to 128K or 256K tokens, multi-step reasoning, and multimodal sets like MMMU Pro.

These runs usually use bf16 precision on high-end GPUs such as NVIDIA B200 or AMD MI355X. Independent providers confirm very strong performance at reasonable latency for the 31B model.

For Gemma 3, the technical report and model cards detail tests across MMLU, MATH, GSM8K, and multilingual evaluations like Global-MMLU-Lite and WMT24++.

Benchmarks show that Gemma 3 4B and 12B beat earlier Gemma 2 models and often rival much larger closed models in math and coding. Gemma 3 27B in particular reaches near-Gemini levels on several reasoning benchmarks.

Gemma 3n benchmarks focus more on edge-friendly tasks. These include visual question answering, video frame analysis, common sense reasoning, and standard multiple-choice tasks like ARC-E and HellaSwag.

Google and third parties tested Gemma 3n with only 2GB to 3GB of VRAM on devices such as smartphones, Jetson boards, and small GPUs.

Comparison Table: Gemma 4 vs Gemma 3 vs Gemma 3n

The table below compares the families at a high level. It focuses on typical mid-to-large instruction-tuned variants that developers tend to use.

Criteria	Gemma 4 (E4B / 31B)	Gemma 3 (4B / 27B)	Gemma 3n (E2B / E4B)
Release window	2026	2025	2025
Main target	Cloud and high-end GPUs with long context and strong reasoning	General-purpose cloud and local runs on single GPUs	Edge devices, laptops, and embedded systems
Context length	Up to 256K tokens for 31B, 128K for small models	Up to 128K tokens across 4B, 12B, 27B	Shorter context, tuned for speed and memory on device
Modalities	Text, image, audio, and video support in many variants	Text and image; some tools add audio support around the model	Text, image, and audio, including real-time edge vision
Typical hardware	NVIDIA B200, A100, RTX 4090, or similar high-end GPUs	Single data center GPU or consumer GPU; some sizes run on laptop GPUs	Phones, Raspberry Pi, Jetson Orin Nano, and small GPUs with 2–3GB VRAM
Reasoning strength	Best overall, with state-of-the-art scores per parameter	Very strong, near frontier levels at 27B and high for 4B	Moderate but impressive for edge-scale models
Ecosystem support	AI Studio, Vertex AI, Hugging Face, LM Studio, cloud providers	AI Studio, Vertex AI, Hugging Face, Ollama, llama.cpp, Cloud Run templates	Hugging Face, MLX, llama.cpp, Ollama, Transformers.js, Google AI Edge

Pricing Table: API and Hosting Costs

Pricing changes across providers, but current public numbers show useful ranges for planning.

The values below are typical costs per one million tokens for common hosted options.

Model family and example	Input price per 1M tokens (USD)	Output price per 1M tokens (USD)	Notes
Gemma 4 31B (Novita AI)	0.14	0.40	Context up to 262K tokens, multimodal support
Gemma 3 4B (Google and multiple providers)	0.04	0.08	Around 131K context, popular general-purpose size
Gemma 3n E4B (Together.ai)	0.02	0.04	Edge-focused model with low price and moderate quality

For self-hosting, the model weights are open, which means there is no license fee for inference.

You still pay for GPUs, CPUs, and cloud instances if you do not run on your own hardware.

Gemma 3n and Gemma 4 E2B or E4B cut hardware cost because they need far less memory for each request than larger dense models.

Unique Selling Proposition (USP) of Each Family

Gemma 4’s main strength is quality per parameter.

The 31B dense and 26B A4B models beat many larger open models on reasoning, coding, and long-context benchmarks while still fitting on a single high-end GPU.

Gemma 3’s USP is maturity and flexibility, with a broad range of sizes, strong math and multilingual scores, and deep integration into tools like Ollama and Cloud Run.

Gemma 3n stands out as an edge-first, multimodal model that gives you practical on-device assistants with only a few gigabytes of memory.

Gemma 4

Gemma 4 Pros

• State-of-the-art reasoning and coding scores among open models in its size class.
• Longest context window in the Gemma family, up to 256K tokens on the 31B model.
• Strong multimodal support, including image, video, and audio in many variants.
• Good efficiency per parameter, so smaller models reach frontier-like quality on modest hardware.

Gemma 4 Cons

• Higher GPU and API cost than Gemma 3 or Gemma 3n for the same number of tokens.
• Larger models can exceed consumer GPU VRAM, which forces cloud or multi-GPU setups.
• Ecosystem still catching up compared to the longer-lived Gemma 3 family.

Gemma 3

Gemma 3 Pros

• Wide range of sizes from 270M to 27B, with strong performance at 4B and 12B.
• Up to 128K context, which handles long documents, logs, and multi-turn chats.
• Strong math, code, and multilingual benchmarks, often rivaling larger proprietary models.
• Mature ecosystem support across AI Studio, Hugging Face, Ollama, and cloud platforms.

Gemma 3 Cons

• Lower peak reasoning and coding scores than Gemma 4 at similar or larger sizes.
• Slightly higher memory needs compared with the new effective-parameter designs in Gemma 4 and Gemma 3n.
• Edge deployments can work but are less optimized than Gemma 3n for very small devices.

Gemma 3n

Gemma 3n Pros

• Designed for 2GB to 3GB VRAM, which suits many phones, SBCs, and small GPUs.
• MatFormer and per-layer embeddings allow dynamic scaling and efficient memory use.
• Strong visual and audio support for on-device assistants and vision tasks.
• Competitive API and hosting price, often cheaper than larger Gemma 3 and Gemma 4 options.

Gemma 3n Cons

• Lower raw benchmark scores than Gemma 3 4B and especially Gemma 4 31B.
• Shorter context window than the main Gemma 3 and Gemma 4 families.
• Ecosystem is newer, so you may find fewer tutorials and ready-made integrations.

Quick Comparison Chart

This chart summarizes which model family makes the most sense for common scenarios.

Scenario	Recommended family	Why it is the most sensible choice
New cloud app with high reasoning needs	Gemma 4 (E4B or 31B)	Best mix of quality, context length, and open weights for serious production use.
Budget-conscious backend or single-GPU server	Gemma 3 (4B or 12B)	Strong benchmarks with lower token and hardware cost than Gemma 4.
Fully local desktop assistant on consumer GPU	Gemma 3 (4B or 12B)	Mature ecosystem and good performance at moderate VRAM levels.
On-device assistant for phone or embedded board	Gemma 3n (E2B or E4B)	Designed for 2GB to 3GB memory with multimodal edge features.
Prototype that might later run at the edge	Start with Gemma 3n, scale to Gemma 4	Same general API patterns and multimodal design while keeping room to upgrade quality later.

How to Decide Between Gemma 4, Gemma 3, and Gemma 3n

Start by writing down your hard constraints: latency, budget, privacy needs, and minimum hardware you can guarantee.

• If you target browsers or phones with strict memory limits, Gemma 3n often becomes the only realistic family.
• If you run in the cloud or on a workstation GPU, both Gemma 3 and Gemma 4 remain open options.

Next, list your quality targets, such as math reliability, code generation, or multilingual depth.

• Gemma 4 gives the highest ceiling on quality and long-context reasoning, while Gemma 3 reaches a comfortable middle ground for many apps.
• Gemma 3n trades some peak accuracy for predictable behaviour on constrained hardware, which can still be the most rational choice.

Finally, look at your roadmap.

• If you expect to move from prototype to a large production system, you may start on Gemma 3 and plan an upgrade path toward Gemma 4.
• If edge use is central, start on Gemma 3n and keep Gemma 4 as a future complement for heavier offline or server tasks.

In most general-purpose server and cloud scenarios, Gemma 4 E4B or 31B is the most sensible default.

Demo or Real-World Example: Picking a Model for a Support Chatbot

Imagine you want to build a multilingual support chatbot for a SaaS product. The chatbot must answer questions about documentation, respond in English and Hindi, and run inside a web app.

Here is a step-by-step decision and implementation path.

1. Define constraints: you want fast responses, a moderate cloud budget, and optional offline use for an internal desktop tool.
2. Check benchmarks: Gemma 4 31B gives the best accuracy, but Gemma 3 4B still scores high on GSM8K, IFEval, and multilingual tasks at lower cost.
3. Decide core model: for a first production version, choose Gemma 3 4B to balance price, performance, and GPU needs.
4. Set up AI Studio: open AI Studio, select Gemma 3 4B IT, and draft prompts that instruct the model to answer only from your docs.
5. Connect your data: build a retrieval system that indexes your knowledge base, then pass the retrieved passages as context in each prompt.
6. Move to API: create an API key, use the Google GenAI SDK, and integrate calls to Gemma 3 4B from your backend.
7. Optimize cost: measure token usage; if costs rise, you can move light queries to Gemma 3n E4B at a lower price per token.
8. Plan upgrades: for premium customers or hard tickets, route requests to Gemma 4 31B to gain the best reasoning and long-context performance when it matters most.

With this setup, Gemma 3 acts as the sensible middle ground. Gemma 3n covers edge and low-cost use, while Gemma 4 handles the most complex or high-value requests.

Conclusion

Gemma 4, Gemma 3, and Gemma 3n each solve a different slice of the model selection problem.

• Gemma 4 pushes open-model quality forward, but needs stronger hardware or paid hosting.
• Gemma 3 remains a practical workhorse with wide tooling support and strong benchmarks at modest cost.
• Gemma 3n turns on-device and edge deployments into realistic options, even with only a few gigabytes of memory.

For many developers, the most sensible starting point is Gemma 3 4B or Gemma 4 E4B, with Gemma 3n as the natural choice when strict edge constraints appear.

FAQ

1. Which Gemma model is best for beginners?

Gemma 3 4B is a safe starting point because it offers strong accuracy, moderate cost, and many tutorials and tools.

2. When should I pick Gemma 4 instead of Gemma 3?

Pick Gemma 4 when you need the best possible reasoning, coding, or long-context performance and can afford higher GPU or API costs.

3. Is Gemma 3n only for mobile developers?

No, Gemma 3n also suits desktops and small servers where memory is tight, and you still want multimodal features.

4. Can I run Gemma models fully offline?

Yes, you can run Gemma 3 and Gemma 3n with Ollama, llama.cpp, or MLX on local hardware as long as you have enough RAM or VRAM.

5. Which option is the most sensible overall in 2026?

For most general applications, Gemma 4 E4B or Gemma 3 4B is the most balanced choice, while Gemma 3n is ideal when strict edge or privacy needs dominate.