# Gemma 4

Gemma 4 is an AI model released by Google on Apr 2 2026. It has open weight. Tracked results include 25% on BullshitBench v2.

## Facts

| Field | Value |
| --- | --- |
| Model | Gemma 4 |
| Developer | Google |
| Release date | Thursday, Apr 2 2026 |
| Licensing | Open Weight |

## Tracked benchmark scores

| Benchmark | Score | Source | What it measures |
| --- | --- | --- | --- |
| BullshitBench v2 | 25% | [BullshitBench](https://github.com/petergpt/bullshit-benchmark) | Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. |

## Questions and answers

### When was Gemma 4 released?

Gemma 4 was released by Google on Thursday, Apr 2 2026.

### Who made Gemma 4?

Gemma 4 was built by Google. Builds the Gemini family of models through Google DeepMind. Integrates AI across Google products.

### What benchmark scores did Gemma 4 get?

Gemma 4 reports 1 tracked benchmark score — BullshitBench v2: 25%. Tracked scores may come from lab reports or independent benchmarks; source details accompany the benchmark data.

### Is Gemma 4 open source?

Partly. Gemma 4 is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.

### What came before and after Gemma 4?

Google's previous tracked release was Gemini 3.1 Flash-Lite on Mar 3 2026, 30 days earlier. It was followed by Gemini 3.5 Flash on May 19 2026.


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Canonical page: https://aireleasetracker.com/model/google/gemma-4
Site index: https://aireleasetracker.com/llms.txt
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.