Minor ML Upgrade: Clearer Outcomes for Tool Calls - Basic Release
We've released the Clearer Outcomes for Tool Calls model upgrade to Basic customers. How are we improving the Assistant’s behavior?Failed or empty tool calls now show a clear failure or no-results state, along with guidance on what the user can do next, instead of appearing successful.When is the release date?Frontier: September 9, 2026 Standard: September 14, 2026 Basic: September 17, 2026Technical RestrictionsThis initial release primarily covers Agent Studio Plugins. MCP failure transparency, and more specific action-error messages are not included in this release and are being handled as separate follow-up work.DocumentationDocumentation describing reasoning and tool-failure behavior will be linked here when published.Read more about the release here.Learn more about our model upgrade program here.

