--- title: "Fireworks AI DeepSeek V4 Flash 0731 retires from Serverless Training November 2: 2026-11-02 | Harbyn" description: "Fireworks AI DeepSeek V4 Flash 0731 retires from Serverless Training November 2, effective Nov 2, 2026." canonical: "https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731" last-updated: 2026-10-25 --- # Fireworks AI DeepSeek V4 Flash 0731 retires from Serverless Training November 2 Markdown version of . Retirement - Fireworks AI. high severity. Announced. Upcoming. DeepSeek V4 Flash (0731) will be removed from the shared Serverless Training pool. This change applies only to Serverless Training. Migrate to DeepSeek V4.1 Flash 1017 before November 2, 2026. 8 days left: the deadline is Nov 2, 2026. ## Facts | Fact | Value | | --- | --- | | Vendor | [Fireworks AI](https://harbyn.com/vendors/fireworks.md) | | Kind | Retirement | | Severity | high | | Status | Announced | | Announced | Oct 18, 2026 | | Effective | Nov 2, 2026 | | Added to Harbyn | Oct 25, 2026 | | Lead time | 8 days of warning | | Review | Reviewed by a person, extracted by a model | ## Find it in your code ```sh npx harbyn scan ``` This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses Fireworks AI, from its packages and API hosts. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (changelog, fetched 2026-10-19 16:29 UTC, sha256 `7ccacadf7f0a7fdad95cf67edbae1009b79e57ec8e876a8ed2bdb901f08c64f8`) ## Related changes ### More from Fireworks AI - [Managed RFT paused, no new reinforcement fine-tuning jobs accepted](https://harbyn.com/changes/fireworks/2026-10-01-managed-rft-is-paused-try-rl-on-the-training-api.md) (Breaking change, announced Oct 1, 2026) - [Creating a deployment without a shape will soon require acceptShapelessRisk](https://harbyn.com/changes/fireworks/2026-09-16-new-deployment-creation-flags-deploymentshape-default-and-acceptshapelessrisk.md) (Deprecation, announced Sep 16, 2026) - [Older DeepSeek, GLM, Muse and Kimi models removed from Serverless on September 25, 2026](https://harbyn.com/changes/fireworks/2026-09-12-upcoming-serverless-deprecation-older-deepseek-glm-muse-and-kimi-models.md) (Retirement, effective Sep 25, 2026) - [Deployment annotation keys must start with custom/ in the REST API](https://harbyn.com/changes/fireworks/2026-09-08-deployment-tags-and-annotation-api-changes.md) (Breaking change, announced Sep 8, 2026) ### 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) - [GitHub: GitHub Actions: macOS 14 runner image retired on November 2, 2026](https://harbyn.com/changes/github/2026-10-01-github-actions-macos-14-runner-image-retirement.md) (effective Nov 2, 2026) [All upcoming deadlines](https://harbyn.com/deadlines.md)