Codex
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Credit Saison: ChatGPT Enterprise pilot delivered 954% ROI
Credit Saison ran a ChatGPT Enterprise pilot with 315 employees from late June to early August 2025. Reported ROI was 954% against a 500% target. A month after the pilot, the company rolled out the product to all employees.
AI Agents for Vulnerability Discovery: Claude, Codex, Mantis and Cloudflare
On October 30, 2026, MarkTechPost compared four AI agents for finding and fixing bugs in code. All of them use the scheme: find, refute, fix.
TokenEconomizer: a Microsoft plugin for reducing token costs in coding agents
Microsoft Research and UC Berkeley released the open-source TokenEconomizer plugin, which learns from past sessions and reduces the cost of running coding agents by 18.4–30.9% on SWE-Bench without changing the agent's code.
OpenAI at Guidewire Connections 2026: AI agent security in insurance is built from multiple layers
At the Guidewire Connections 2026 conference in Las Vegas, OpenAI representative Viyat Bhalodia explained how to protect AI agents in insurance from hidden instructions in documents and errors.
How to transfer a session between console AI agents without losing context
Guide: we take a live session from local logs and pass it to another agent with a single command. Without retellings and extra tokens.
Stack Overflow for Agents: two engineers, Codex, and a ChatGPT plugin
On October 27, 2026, OpenAI described the Stack Overflow case: a product for AI agents was built by two engineers in a few weeks with Codex, and a plugin in ChatGPT drove sign-up growth.