We Stress-Tested AI Spend Limits. Here's Where They Held and Where They Slipped. | Stipend

Researchers stress-tested the AI spend-limit enforcement of LiteLLM and Revenium across concurrent calls, bursts, outages, and restarts. They found that LiteLLM held budgets within about 2.5 percent when properly configured with Redis and fail-closed settings, while Revenium offered highly accurate accounting but suffered from timing-based overshoot tied to its rule-refresh interval. Open article →