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OpenAI API users report severe throttling on tool calls

By PulseAugur Editorial · [1 sources] ·

Users are reporting significant throttling issues with the OpenAI API, particularly when attempting to use tool calls for agentic tasks. The API reportedly limits users to one or two tool calls before imposing lengthy wait times, making complex operations impractical. This contrasts with other providers like GLM 5.3, which users claim can handle extensive reasoning and numerous tool calls for complex tasks without similar limitations. AI

IMPACT Severe API throttling on tool calls may hinder the development and deployment of complex AI agentic applications.

RANK_REASON User-reported issues with a specific product feature (API rate limits).

Read on r/OpenAI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

OpenAI API users report severe throttling on tool calls

How we ranked this

Signal score
6 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-reported issues with a specific product feature (API rate limits).
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/OpenAI TIER_2 English(EN) · /u/Bino5150 ·

    API rate limits constricted?

    <!-- SC_OFF --><div class="md"><p>Anybody have issues with using the OpenAI API in their harness? I got a key to run Luna in Lumina as my daily driver. The first problem was it told me I could either use reasoning OR tool calls, big red flag. Luna is lightning fast when respondin…

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