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rin.kagamine 097a29eaee feat: two-level zero-spend filtering with valve default

Adds default_hide_zero_spend valve (default True) that controls whether
models with sub-bash.001 spend are hidden by default. The per-call
hide_zero_spend parameter can explicitly override:

- hide_zero_spend=True → ALWAYS hide (explicit override)
- hide_zero_spend=False → use valve default (default_hide_zero_spend)

This defensive design prevents SLMs from accidentally exposing zero-spend
models unless the human has explicitly set default_hide_zero_spend=False.

- Added default_hide_zero_spend valve to Valves class
- Updated litellm_cost() with two-level logic
- Updated README and ARCHITECTURE.md with two-level design docs
- Reverted parameter name back to hide_zero_spend

2026-06-13 16:53:37 -04:00

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LiteLLM Dashboard — Open WebUI Tool

A simple, three-function Open WebUI Tool for checking LiteLLM proxy health, cost breakdowns, and recent request history.

Functions

`litellm_health`

Check LiteLLM proxy health and authentication status. Returns which models are healthy/unhealthy, their rate limits, and any auth errors.

`litellm_cost`

Get LiteLLM cost breakdown for a date range. Returns per-model and per-day spend, token counts, cache hit rate, and request stats.

Parameters:

start_date (str, required): Start date — YYYY-MM-DD or natural language shortcut (e.g. "2026-06-01", "today", "yesterday", "monday", "last monday", "two days ago", "this week", "last month")
end_date (str, required): End date — YYYY-MM-DD or natural language shortcut
hide_zero_spend (bool, default false): When True, force-hide models with sub-$0.001 spend. When False, use the valve-configured default (see default_hide_zero_spend below). This two-level design lets the human set a default via valves while allowing the SLM to explicitly override on a per-call basis.

`litellm_history`

Get recent LiteLLM request history. Returns the most recent N requests with model, call type, status, duration, token counts, cache hit %, and per-request cost. Useful for understanding which models are being called and how much individual requests cost.

Parameters:

limit (int, 1-50, default 20): Number of recent requests to show
show_cost (bool, default true): Include per-request cost
show_failed (bool, default true): Include failed requests. Set false to hide auth failures, routing errors, and probe noise.

Cost awareness: This function hits /spend/logs which returns all historical logs. For large deployments, this can be a heavy query. Use reasonable limit values.

Valves (Configuration)

Valve	Default	Purpose
`litellm_url`	`http://localhost:4000`	LiteLLM proxy base URL
`litellm_master_key`	(empty)	LiteLLM master API key (password field)
`default_hide_zero_spend`	`True`	Default behavior for zero-spend model filtering. When True, models with sub-$0.001 spend are hidden by default. The per-call `hide_zero_spend` parameter can override this.

Both valves are passed at runtime — no hardcoded keys. The tool is portable to any LiteLLM proxy instance.

Installation

Copy litellm_dashboard.py to your Open WebUI Workspace or import via Admin → Tools
Configure the two valves with your LiteLLM proxy URL and master key
Enable the tool on a per-model or per-chat basis

Requirements

requests (standard pip package)
Open WebUI 0.4.0+
A running LiteLLM proxy instance

Design Principles

Three functions, that's it. No scope creep.
Portable. No hardcoded URLs or keys.
Token-efficient. Strips litellm_metadata (~2KB/model) from health responses. Formats cost data as readable text, not raw JSON dumps.
General-purpose. Works with any LiteLLM proxy instance.
Read-only. GET endpoints only. No mutations, no risk.

Documentation

ARCHITECTURE.md — Full architecture and design doc: API endpoints, response processing, stripped fields, error paths, future considerations, changelog.
This README — Quick reference: install, functions, valves, design principles.

Changelog

v1.2.0 (2026-06-13)

feat: Natural language date shortcuts for litellm_cost() — today, yesterday, monday, last week, etc.
feat: hide_zero_spend parameter for litellm_cost() — default True hides sub-$0.001 models with summary line; per-call parameter can override
fix: Cost report header shows resolved YYYY-MM-DD dates instead of raw shortcuts

v1.1.0 (2026-06-13)

Initial public release
Three functions: litellm_health, litellm_cost, litellm_history
Valve-based configuration (no hardcoded keys)
Token-efficient response formatting

License

MIT

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