Gemma 3 12B by Google DeepMind is an open-weights multimodal model with a 128K-token context window, 140+ language support, and single-GPU deployment.
Capabilities, design details, and architectural traits
Gemma 3 12B is a lightweight, open-weights model from Google DeepMind, built from the same research used to create Gemini. It handles both text and image input via a SigLIP vision encoder, producing text output across a range of tasks including question answering, summarization, and reasoning. Its defining design principle is high capability within tight resource constraints - it targets deployment on laptops, desktops, and single GPUs without enterprise infrastructure.
| Trait | Detail |
|---|---|
| 128K-token context window | Available at the 4B, 12B, and 27B sizes; the 1B is limited to 32K |
| Open weights with two variants | Released as both a pre-trained base and an instruction-tuned (-it) version |
| Multilingual scope | Trained with support for over 140 languages |
| SigLIP vision encoder | Images normalized to 896x896 resolution, encoded to 256 tokens per image |
| Distillation-based training | Trained using knowledge distillation, yielding the novel post-training recipe documented in the Gemma 3 Technical Report |
| Quantized versions available | Reduces memory and compute requirements for constrained hardware |
Gemma 3 12B sits in a five-size family (1B, 4B, 12B, 27B) designed to cover a range of hardware targets. The 12B variant specifically maintains the full 128K context window shared with the larger 27B, while remaining within single-accelerator reach. The post-training recipe documented in the technical report targets improvements in math, chat, instruction-following, and multilingual tasks over Gemma 2.
Independent evaluations · Artificial Analysis
Evaluate specifications, pricing, and independent benchmark indices
| Model Details | |||
|---|---|---|---|
| General Info | |||
| Provider | Anthropic | Anthropic | |
| Release Date | March 12, 2025 | July 24, 2026 | June 9, 2026 |
| Knowledge Cutoff | Aug 2024 | May 2026 | - |
| Context & Limits | |||
| Context Window | 131K | 1M Best Context Window | 1M Best Context Window |
| Pricing (per 1M tokens) | |||
| Input Pricing | Free Best Input Pricing | $5 | $10 |
| Output Pricing | Free Best Output Pricing | $25 | $50 |
| Modalities | |||
| Inputs | textimage | textimage | textimagefile |
| Outputs | text | text | text |
| Benchmarks (0-100) | |||
| Intelligence Index | 5.5 | 63.1 Best Intelligence Index | 62.1 |
| Coding Index | 5.8 | 78.0 Best Coding Index | 76.5 |
| Agentic Index | 0.3 | 59.2 Best Agentic Index | 56.6 |
Graduate-level reasoning and expert Q&A evaluation.
Extremely difficult logical reasoning and knowledge.
Logical reasoning over long context windows.
Independent evaluation data provided by Artificial Analysis. To view the latest benchmarks and full details, visit their official site.
