# Google: Gemma 4 26B A4B: AI model fact sheet

- **Provider:** google
- **Released:** 2026-04-03
- **Context window:** 262,144 tokens
- **API pricing:** $0.13 / 1M input, $0.40 / 1M output
- **OpenRouter ID:** google/gemma-4-26b-a4b-it
- **Capabilities:** conversation, reasoning, code-generation, analysis, function-calling

Gemma 4 26B A4B IT is an instruction-tuned Mixture-of-Experts (MoE) model from Google DeepMind. Despite 25.2B total parameters, only 3.8B activate per token during inference — delivering near-31B quality at a fraction of the compute cost. Supports multimodal input including text, images, and video (up to 60s at 1fps). Features a 256K token context window, native function calling, configurable thinking/reasoning mode, and structured output support. Released under Apache 2.0.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gemma-4-26b-a4b-it