ChatGPT (Work und Codex) service providers
24 companies with documented work on ChatGPT (Work und Codex), sorted by name. The list is not a ranking.
About ChatGPT (Work und Codex)
ChatGPT is OpenAI's AI assistant; ChatGPT Work is an agent that completes tasks across apps and files, and Codex is the coding agent. ChatGPT Work and Codex can run subagent workflows by spawning specialized agents in parallel, for example on a direct request in chat or as instructed by AGENTS.md or skills.
ChatGPT (Work und Codex) profile: features, pricing and alternativesHow this list comes about
A company appears here when a public source shows its work with ChatGPT (Work und Codex): the vendor's partner directory, the company's own service page, a case study or a press report. Each entry links this source on its page.
For 3 of the 24 companies a specific multi-agent project is publicly documented. For the others, an offering for AI agents is documented, but no multi-agent project. Ask for references from comparable projects before you commission anyone.
Checklist: 5 questions for a provider24 companies
India
Altudo
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for ChatGPT (Work and Codex).
Agent offering shownParis, France
Artefact
Systems integrator
Large IT and AI services company based in Paris. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Gemini Enterprise Agent Platform, OpenAI Agents SDK, Claude Agent SDK, Mistral Agents API, Claude and ChatGPT (Work and Codex).
Agent offering shownUnited States
Artium AI
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Claude Agent SDK, OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownSydney, Australia
Cloudwerx
Consultancy
Mid-sized IT and AI services company based in Sydney. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Agentforce (Salesforce) and ChatGPT (Work and Codex).
Agent offering shownItaly
Cognita Reply
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for ChatGPT (Work and Codex).
Agent offering shownUnited States
Cognizant
Systems integrator
Large IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Claude, ChatGPT (Work and Codex) and Devin AI.
Agent offering shownWarschau, Poland
deepsense.ai
Consultancy
Mid-sized IT and AI services company based in Warschau. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Claude Agent SDK, OpenAI Agents SDK, Claude and ChatGPT (Work and Codex).
Agent offering shownUnited States
Distyl AI
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK, Claude Agent SDK, Claude and ChatGPT (Work and Codex).
Agent offering shownUnited States
Eliza
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for ChatGPT (Work and Codex).
Agent offering shownNew York, United States
Fractal
Systems integrator
Large IT and AI services company based in New York. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Claude Agent SDK, OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownLuxembourg
Globant
Systems integrator
Large IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Claude Agent SDK, OpenAI Agents SDK, Claude and ChatGPT (Work and Codex).
Agent offering shownIndia
Infosys
Systems integrator
Large IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Claude, ChatGPT (Work and Codex) and Devin AI.
Agent offering shownAustralia
Insurgence
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownAustralia
Mantel Group
Systems integrator
Large IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownSeoul, South Korea
MegazoneCloud
Systems integrator
Large IT and AI services company based in Seoul. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for AWS Bedrock AgentCore, OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownBelgium
ML6
Consultancy
Mid-sized IT and AI services company. Multi-agent projects are publicly documented (see sources). Documented for Agno (Phidata), OpenAI Agents SDK and ChatGPT (Work and Codex).
Multi-agent projects shownUnited States
Quantiphi
Systems integrator
Large IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Gemini Enterprise Agent Platform, Google Agent Development Kit (ADK), OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownSydney, Australia
Quantium
Systems integrator
Large IT and AI services company based in Sydney. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for Gemini Enterprise Agent Platform, OpenAI Agents SDK, Claude Agent SDK, Claude and ChatGPT (Work and Codex).
Agent offering shownTokio, Japan
Recursive
Consultancy
IT and AI services company based in Tokio. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownUnited States
Rosetree Solutions
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownFrankfurt am Main, Germany
Statworx
Consultancy
Data science and AI consultancy from Frankfurt with more than 85 experts. Offers AI agents from use-case analysis to prototypes and operations, explicitly including multi-agent systems, working with tools such as n8n and Langdock.
Multi-agent projects shownUnited States
Tredence
Systems integrator
Large IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK and ChatGPT (Work and Codex).
Agent offering shownUnited States
Tribe AI
Consultancy
IT and AI services company. Offers AI agent development; a specific multi-agent project is not publicly documented. Documented for OpenAI Agents SDK, Claude Agent SDK, Claude and ChatGPT (Work and Codex).
Agent offering shownNetherlands
Xebia
Consultancy
International IT consultancy from the Netherlands with a dedicated agentic AI offering, including multi-agent systems on Google Cloud. OpenAI partner since August 2026.
Multi-agent projects shown