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Agents2026-07-10 · source-backed
ChatGPT Work executes long-running multi-step tasks across Slack, Gmail, Google Drive, CRMs, and internal knowledge bases, producing documents, spreadsheets, and sites instead of chat turns. Altman claims 54% better token efficiency on agentic coding. Then OpenAI confirmed GPT-5.6 powers M365 Copilot. Read those together: OpenAI is the model under Microsoft's agent surface at the exact moment it ships a competing agent product. If you build on Copilot extensibility, expect tool-calling and long-horizon behavior to shift under you with no opt-in.
Each link below shares sources, entities, or timing with this story.
Copilot uses GPT / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Copilot uses GPT); both cover Copilot, GPT, Microsoft, OpenAI; overlapping topics (coding, copilot, microsoft, model).
Linked by a graph relationship (Copilot uses GPT); both cover Copilot, GPT, Microsoft, OpenAI; overlapping topics (copilot, microsoft, model, openai).
Copilot uses GPT / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Copilot uses GPT); both cover Copilot, Microsoft, OpenAI; overlapping topics (coding, copilot, microsoft, model, openai).
Copilot uses GPT / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Copilot uses GPT); both cover Copilot, Microsoft, OpenAI; overlapping topics (agent, copilot, microsoft, openai).
Linked by a graph relationship (Copilot uses GPT); both cover Copilot, GPT, OpenAI; overlapping topics (agent, coding, model, openai).
Linked by a graph relationship (Copilot uses GPT); both cover Copilot, Microsoft, OpenAI; overlapping topics (agent, chat, copilot, microsoft).
Microsoft competes with OpenAI / Shared entities / Same source domain / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Microsoft competes with OpenAI); both cover GPT, OpenAI; reported by the same outlet (openai.com).
Microsoft competes with OpenAI / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Microsoft competes with OpenAI); both cover Altman, GPT, OpenAI; overlapping topics (altman, behavior, model).