Gemma 4 Model Sizes Parameters 2026: The Complete Technical Guide - Models

Gemma 4 Model Sizes Parameters 2026

Explore the full breakdown of Gemma 4 model sizes, parameters, and architecture. Learn how the 26B MoE and 31B Dense models redefine local AI performance in 2026.

2026-04-29
Gemma Wiki Team

The landscape of open-source artificial intelligence has shifted dramatically with the arrival of Google’s latest release. Understanding the gemma 4 model sizes parameters 2026 is essential for developers and tech enthusiasts looking to leverage frontier-level intelligence on local hardware. Built upon the groundbreaking research of Gemini 3, this new family of models introduces a versatile range of options designed for everything from high-end desktop workstations to compact mobile devices. By providing a diverse array of gemma 4 model sizes parameters 2026, Google has effectively bridged the gap between massive cloud-based LLMs and the efficiency required for edge computing.

In this comprehensive guide, we will break down the specific architectures of the Gemma 4 family, including the innovative Mixture of Experts (MoE) design and the highly optimized Dense models. Whether you are building complex agentic workflows or looking for a multilingual solution that runs entirely offline, the Gemma 4 ecosystem offers a tailored fit for your specific computational needs.

The Gemma 4 Model Family Overview

The 2026 release of Gemma 4 marks a significant milestone: for the first time, these models are available under the open-source Apache 2.0 license. This move empowers the developer community to innovate without the restrictive licensing often found in proprietary systems. The family is divided into two primary categories: the "Frontier" models for heavy-duty reasoning and the "Effective" models for mobile and IoT efficiency.

Model TierArchitecture TypePrimary Use CaseHardware Target
Gemma 4 31BDenseMaximum Output QualityHigh-end Desktops / Workstations
Gemma 4 26BMoE (Mixture of Experts)High-speed Local ReasoningStandard Laptops / Gaming PCs
Gemma 4 4BEffective DenseReal-time Vision/AudioModern Smartphones / Tablets
Gemma 4 2BEffective DenseLow-latency TasksIoT Devices / Budget Mobile

Important Note: Unlike previous generations, Gemma 4 is built specifically for the "agentic era," meaning it natively supports tool use and multi-step planning right out of the box.

Deep Dive: 26B MoE vs. 31B Dense Parameters

When analyzing the gemma 4 model sizes parameters 2026, the distinction between the 26B Mixture of Experts (MoE) and the 31B Dense model is the most critical factor for performance tuning. These two models represent the "frontier" tier, capable of handling complex logic and massive codebases.

The 26B Mixture of Experts (MoE)

The 26B MoE model is a marvel of efficiency. While it possesses 26 billion total parameters, it only activates 3.8 billion parameters for any given token. This allows the model to maintain the reasoning capabilities of a much larger system while operating at speeds comparable to much smaller models. It is the ideal choice for developers who need fast, local coding assistants or real-time agentic pipelines.

The 31B Dense Model

For users where output quality is the absolute priority, the 31B Dense model is the flagship. Every parameter is utilized during inference, providing a more stable and nuanced understanding of complex prompts. This model excels in creative writing, deep technical analysis, and high-stakes decision-making where speed is secondary to accuracy.

Feature26B MoE31B Dense
Total Parameters26 Billion31 Billion
Activated Parameters3.8 Billion31 Billion
Inference SpeedExceptional / Ultra-fastBalanced
Context Window250,000 Tokens250,000 Tokens
Best ForCoding & AgentsQuality & Nuance

Agentic Capabilities and Context Windows

A standout feature of the gemma 4 model sizes parameters 2026 is the massive expansion of the context window. All models in the family support up to a quarter-million (250,000) tokens. This is a game-changer for developers who need to analyze entire code repositories or maintain long-term memory in multi-turn agentic conversations.

Gemma 4 is not just a text generator; it is a planner. With native support for tool use, these models can act as autonomous agents. They can interface with external APIs, execute code snippets, and perform multi-step planning to solve complex problems. This "agentic" focus ensures that Gemma 4 remains relevant in a 2026 market where simple chat interfaces are being replaced by proactive AI assistants.

💡 Tip: When using the 250k context window on local hardware, ensure you have sufficient VRAM. The 26B MoE model is significantly more forgiving on memory bandwidth than the 31B Dense variant.

Mobile and IoT: The Effective 2B and 4B Models

Google has not forgotten the mobile ecosystem. The "Effective" 2B and 4B models are engineered for maximum memory efficiency. In 2026, mobile devices are increasingly expected to handle AI tasks locally to preserve privacy and reduce latency.

These smaller gemma 4 model sizes parameters 2026 are unique because they include native multimodal support. They can "see" through a camera feed and "hear" through a microphone in real-time, allowing for sophisticated AR and IOT applications.

  • Multilingual Support: Natively supports over 140 languages.
  • Multimodal: Integrated vision and audio processing.
  • Efficiency: Designed to run on standard mobile NPUs and high-end IoT chips.

For more information on the underlying technology, you can visit the official Google DeepMind research blog to see how these models compare to their proprietary counterparts.

Hardware Requirements for Local Deployment

Deploying gemma 4 model sizes parameters 2026 requires a clear understanding of your hardware's limits. Because these models run locally, your GPU's VRAM and your system's RAM are the primary bottlenecks.

Model SizeMinimum VRAM (Quantized)Recommended GPU
2B Effective2GB - 4GBMobile NPU / Integrated Graphics
4B Effective4GB - 6GBMid-range Mobile / Entry-level GPU
26B MoE16GB - 20GBRTX 4080 / RTX 5070 (16GB+)
31B Dense24GB+RTX 4090 / RTX 5090 / Mac Studio

While the weights can be downloaded and run on standard consumer hardware, using 4-bit or 8-bit quantization is highly recommended to maintain high tokens-per-second (TPS) speeds. The 26B MoE model is particularly effective when quantized, as its sparse activation naturally lends itself to fast inference even on sub-optimal hardware.

Security and Enterprise Readiness

As open models become central to enterprise infrastructure in 2026, security is more important than ever. Gemma 4 undergoes the same rigorous security protocols as the proprietary Gemini models. This includes extensive red-teaming and safety filtering to ensure the models are a "trusted foundation" for businesses.

The Apache 2.0 license further enhances enterprise appeal by allowing for commercial use, modification, and redistribution without the fear of sudden licensing changes. This makes Gemma 4 the premier choice for companies looking to build private, secure AI pipelines that never leak sensitive data to the cloud.

FAQ

Q: What are the main gemma 4 model sizes parameters 2026 available for download?

A: The Gemma 4 family includes four primary sizes: 2B and 4B (Effective models for mobile), a 26B Mixture of Experts (MoE) model with 3.8B activated parameters, and a 31B Dense model for maximum output quality.

Q: Can Gemma 4 run on a standard gaming laptop?

A: Yes, specifically the 26B MoE and the 4B/2B models are designed to run on consumer hardware. The 26B MoE is exceptionally fast on modern gaming laptops with at least 16GB of VRAM, while the 4B model can run on almost any modern mobile device.

Q: Does Gemma 4 support image and audio input?

A: Yes, the Effective 2B and 4B models feature native support for vision and audio, allowing for real-time multimodal processing on mobile and IoT devices.

Q: What is the context window for Gemma 4?

A: All major models in the Gemma 4 family support a context window of up to 250,000 tokens, which is ideal for analyzing large codebases or complex, multi-turn agentic workflows.

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