Tooling·Originally published Sep 18

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OpenAI Agents API Adds Production Subagent Delegation & Parallel Workflow Orchestration

OpenAI upgraded its Agents API to generally support production-grade subagent delegation. A primary orchestrator agent can dynamically fork hundreds of lightweight, specialized child agents to execute asynchronous multi-file refactors and CI test repairs before synthesizing results back to main context.

Key Takeaways

✓Primary agent dynamically forks hundreds of dedicated child agents for parallel workloads
✓Native hierarchical context scoping and sandbox fencing eliminate single-thread bottlenecks
✓Radically simplifies enterprise-scale distributed agent workflow orchestration

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OpenAI · Agents API · Subagent Delegation

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Up NextOpenAI Agents API ships Auto Review, async compaction, experimental time awareness and mid-session tool updates

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About this article: compiled by the AICoder newsroom with AI assistance, based on the official and press sources cited above and checked against human-set editorial standards; vendor-reported figures are attributed as such.

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OpenAI Agents API ships Auto Review, async compaction, experimental time awareness and mid-session tool updates

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Release23h ago

Altman at ADIPEC: The Internal Model Behind the 10,000-Agent Navier-Stokes Proof Is "the Next GPT," Coming Soon

Speaking at the ADIPEC energy conference in Abu Dhabi on November 2, OpenAI CEO Sam Altman said the September run in which 10,000 agents collaborated for about four days used "the model that is going to be released soon, the next GPT," stressing that the agents had no hierarchy and were fully decentralized. It is the first public statement tying the internal model behind OpenAI's September Navier-Stokes proof to its next flagship, though OpenAI has given no name, release date or price.

Release13d ago

humans& releases its first model, Ampersand v0.1: a group-collaboration model trained from GLM 5.3, now open via its Agents API

On Oct 20, AI startup humans& released its first model, Ampersand v0.1, pitched as a collaborator that helps groups reach individual and shared goals rather than an assistant that completes tasks alone. It is trained from Z.ai's GLM 5.3 (about 744B total, about 40B active parameters) with long-horizon multi-party RL against simulated users played by humans&'s own user model, Persimmon. It is available now, with no waitlist, through an API compatible with OpenAI's Agents API.

Agents17d ago

OpenAI Upgrades GPT-6 Astra Pro in ChatGPT with Parallel Multi-Agent Execution and Showcases Always-On 'dots' Triaging 3 AM Incidents via Codex

OpenAI announced a major upgrade to GPT-6 Astra Pro in ChatGPT for Pro users, introducing faster response times, stronger plugin and tool orchestration, and native parallel multi-agent execution where multiple agents tackle different parts of a complex task simultaneously. Concurrently, OpenAI Developers showcased how internal engineers put always-on 'dots' agents on call to autonomously triage 3 AM production incidents, launch Codex debugging threads, and clear codebase maintenance backlogs.

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OpenAI Agents API Adds Production Subagent Delegation & Parallel Workflow Orchestration

Key Takeaways

Key Decision Metrics at a Glance

Turn your technical choice into a development budget

AI Coding Ecosystem & Action Hub

OpenAI

Up Next & Recommended Stories

OpenAI Agents API ships Auto Review, async compaction, experimental time awareness and mid-session tool updates

Altman at ADIPEC: The Internal Model Behind the 10,000-Agent Navier-Stokes Proof Is "the Next GPT," Coming Soon

humans& releases its first model, Ampersand v0.1: a group-collaboration model trained from GLM 5.3, now open via its Agents API

OpenAI Upgrades GPT-6 Astra Pro in ChatGPT with Parallel Multi-Agent Execution and Showcases Always-On 'dots' Triaging 3 AM Incidents via Codex

Trending Radar

OpenAI gives ChatGPT Pro and Business subscribers up to $500 a month in API credits to build apps and agents

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Artificial Analysis launches Coding Agent Index v2.0: FrontierCode from Cognition replaces DeepSWE, and Claude Code with Opus 5.5 leads at 61.7

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