Gemma 4 26B A4B

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.

ChatGoogle262k tokens$0.0763 / $0.3706 · 1M

google/gemma-4-26b-a4b-it

Context
262k tokens
Completion cap
16,384
Tools
Yes
JSON
Yes
Released
2026-04-03

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemma-4-26b-a4b-it",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Gemma 4 26B A4B?
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. Gemma 4 26B A4B runs on the Geek Hub API (OpenAI-compatible). Model id: google/gemma-4-26b-a4b-it.
Is Gemma 4 26B A4B free?
No. Input is $0.0763 per 1M tokens and output is $0.3706 per 1M tokens on Geek Hub (markup included).
What is the context length of Gemma 4 26B A4B?
Gemma 4 26B A4B has a 262k tokens context window. It supports up to 16,384 completion tokens.
Does Gemma 4 26B A4B support tool calling and structured outputs?
Gemma 4 26B A4B accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
When was Gemma 4 26B A4B released?
Gemma 4 26B A4B was released on 2026-04-03.

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