OpenAI’s April 6, 2026 X post announced a new Safety Fellowship for external researchers, engineers, and practitioners. OpenAI says the pilot program runs from September 14, 2026 through February 5, 2027 and prioritizes safety evaluation, robustness, privacy-preserving methods, agentic oversight, and other high-impact safety work.
OpenAIDevs said on April 4, 2026 that developers can move from project setup to deployment with the Vercel plugin in the Codex app. The post aligns with OpenAI’s Codex plugin documentation and Vercel’s late-March rollout of plugin support for OpenAI Codex and Codex CLI.
OpenAI said on April 2, 2026 that ChatGPT Business and Enterprise teams can now add Codex-only seats with usage-based pricing instead of paying a fixed seat fee. OpenAI also cut annual ChatGPT Business pricing from $25 to $20 per seat and said Codex usage inside Business and Enterprise has grown 6x since January.
OpenAI said on March 31, 2026 that it closed a $122 billion funding round at an $852 billion post-money valuation. The company used the announcement to present consumer reach, enterprise growth, API usage, Codex adoption, and compute access as one reinforcing AI platform flywheel.
OpenAI Developers said recent Codex usage data suggests developers are handing off long-running work like refactors and architecture planning at the end of the day. In a follow-up reply, the account said tasks started at 11 pm are 60% more likely than other tasks to run for 3+ hours.
OpenAI said on March 31, 2026 that it closed a $122 billion funding round at an $852 billion post-money valuation. The company paired the financing news with fresh scale claims including 900 million weekly active users, $2B in monthly revenue, and API throughput above 15 billion tokens per minute.
OpenAI Developers said on March 30, 2026 that Perplexity has been running voice experiences with the Realtime API in production and published lessons from that work. The post says Perplexity now handles millions of monthly voice sessions and details how the team changed context chunking, standardized audio formats, and tuned turn-taking for noisy real-world environments.
OpenAIDevs pointed developers to Codex Security on March 29, 2026, positioning it as a way to find, validate, and remediate likely vulnerabilities in connected GitHub repositories. OpenAI's docs say the system scans commit by commit, uses repo-specific threat models, validates high-signal findings in an isolated environment, and can move reviewed findings toward GitHub pull requests.
OpenAI announced plans to acquire Promptfoo on March 9, 2026. The company says Promptfoo’s security testing and evaluation technology will be integrated into OpenAI Frontier so enterprises can test and document risks such as prompt injection, jailbreaks, data leaks, and tool misuse earlier in the development cycle.
OpenAI announced GPT-5.4 mini and nano on March 17, 2026. The company says mini is more than 2x faster than GPT-5 mini while improving coding, reasoning, multimodal understanding, and tool use, while nano targets low-cost classification, extraction, ranking, and simpler coding subagents.
OpenAI said on March 23, 2026 that Sora videos include visible and invisible provenance signals, including C2PA metadata, alongside consent controls and tighter rules for videos involving real people. The company also described teen-specific protections, content filters across video and audio, and blocks on music that imitates living artists or existing works.
OpenAI said on March 24, 2026 that it is publishing prompt-based teen-safety policies designed for gpt-oss-safeguard and other reasoning models. The initial release covers six risk areas and was developed with input from Common Sense Media and everyone.ai.