[Platform Announcement][Important] Deprecation of Selected LLMs & Migration Guide

[Important] Deprecation of Selected LLMs & Migration Guide

Dear Developer,

To provide you with more stable and efficient model services, the platform will be deprecating certain older versions of large language models. Please pay close attention to the deprecation dates of the following models and promptly complete the migration and upgrade of your Agent configurations to avoid any disruption to your business operations.

Model Deprecation Schedule

We will be discontinuing services for the following models in batches. Please arrange your migration as soon as possible based on your usage:

Batch 1: Deprecation on September 21, 2026

| Models to be Deprecated | Recommended Alternative Models | | ------------------------- | ------------------------------ | | Doubao 1.5 Pro 32K | doubao-seed-2-0-mini | | Doubao Seed 1.8 | doubao-seed-2-0-mini | | Doubao Seed 1.6 Flash | doubao-seed-2-0-mini | | Doubao Seed 1.6 | doubao-seed-2-0-mini |

Batch 2: Deprecation on October 1, 2026

| Models to be Deprecated | Recommended Alternative Models | | ----------------------- | ------------------------------ | | GPT-4o | GPT 5.1 | | GPT-4o mini | GPT-5 mini |

Batch 3: Deprecation on October 16, 2026

| Models to be Deprecated | Recommended Alternative Models | | ----------------------- | ------------------------------ | | Gemini 2.5 Flash | Gemini 3 Flash |


Immediate Actions Required

To prevent service interruptions for your Agents, please complete the following steps before the respective deprecation dates:

  1. Log in to the platform: Visit the Agent Development Platform.
  2. Check configurations: Navigate to the [My Agents] list and check if any of your agents are using the models scheduled for deprecation.
  3. Switch models: Edit the affected agents and replace the old models with the recommended new models in the [Model Settings].
  4. Republish (Crucial): After modifying the configuration, you must click the [Publish] button, otherwise the new configuration will not take effect!

Risk Warning: If the migration is not completed before the deadline, your Agents will return errors when calling the old models, resulting in service unavailability.

Technical Support

If you encounter any issues during the migration process or need to evaluate the compatibility of the new models, please contact us through the following channel:

Thank you for your support and understanding!

September 16, 2026

Tuya Developer Platform Team
2026-09-16

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