> This page is for version v4 (default).
> For other versions, use one of these documentation indexes:
> - v4 (default): https://help.getzep.com/v4/llms.txt
> - v3: https://help.getzep.com/v3/llms.txt
> - v2: https://help.getzep.com/v2/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://help.getzep.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://help.getzep.com/_mcp/server.

## User node name for a user with no user ID

When a user has no user ID, the user node in the user graph now uses the user UUID as its identifier. Before, the user node summary showed an empty identifier.

## GPT-5.4 Mini and GPT-5.4 Nano removed from BYOM

You can no longer select GPT-5.4 Mini or GPT-5.4 Nano as the model of a BYOM configuration. The change applies to the OpenAI provider and to the Azure OpenAI provider. Select GPT-6 Luna or GPT-5.6 Luna in place of these models.

Read the docs

## Batch API guidance for test data and backfills

Guidance to use the Batch API for test data and backfills was added to the Adding Context section.

Read the docs