---
title: "Cerebras Gemma 4 31B availability changes on public endpoints: 2026-09-03 | Harbyn"
description: "Cerebras Gemma 4 31B availability changes on public endpoints, announced Sep 3, 2026; replacement: qwen-3.8-27b."
canonical: "https://harbyn.com/changes/cerebras/2026-09-03-gemma-4-31b-availability-changes-on-public-endpoints"
last-updated: 2026-10-08
---

# Cerebras Gemma 4 31B availability changes on public endpoints

Markdown version of <https://harbyn.com/changes/cerebras/2026-09-03-gemma-4-31b-availability-changes-on-public-endpoints>.

Retirement - Cerebras. high severity. In effect.

Starting September 3, 2026, gemma-4-31b is no longer available on Cerebras public endpoints; it remains available on Dedicated Endpoints. Cerebras recommends qwen-3.8-27b for public endpoint workloads.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [Cerebras](https://harbyn.com/vendors/cerebras.md) |
| Kind | Retirement |
| Severity | high |
| Status | In effect |
| Announced | Sep 3, 2026 |
| Added to Harbyn | Oct 8, 2026 |
| Lead time | No dated deadline |
| Model IDs | `gemma-4-31b` |
| Replacement | `qwen-3.8-27b` |
| Review | Reviewed by a person, extracted by a model |

## Find it in your code

```sh
npx harbyn scan
```

The scanner reads your repository on your machine and reports every file and line that uses the identifiers above, with the replacement. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://inference-docs.cerebras.ai/support/change-log.md> (changelog, fetched 2026-10-08 17:16 UTC, sha256 `7184ef62d7a6f4642a61c5eca293cee05647896a7b29bf57cd4a971aaa149f91`)

## Related changes

### Changes at other vendors

- [OpenRouter: arcee-ai/trinity-large-thinking expire 2026-10-26](https://harbyn.com/changes/openrouter/2026-10-23-arcee-ai-trinity-large-thinking-expires-2026-10-26.md) (effective Oct 26, 2026)
- [Google Cloud Run and Functions: Node.js 20 runtime decommission](https://harbyn.com/changes/google-cloud/2026-10-08-node-js-20-runtime-decommission.md) (effective Oct 30, 2026)
- [Mistral AI: Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (effective Oct 31, 2026)
- [Fireworks AI: DeepSeek V4 Flash 0731 retires from Serverless Training November 2](https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731.md) (effective Nov 2, 2026)

[All upcoming deadlines](https://harbyn.com/deadlines.md)