Last mentioned: Mar 19, 2026
Astral Acquisition
OpenAI announces the acquisition of Astral to boost Codex and developer tooling.
Security Focus
OpenAI acquires Promptfoo to enhance LLM security and testing capabilities.
Integration Phase
Expected integration of Astral's high-performance tools into OpenAI's developer API and Codex models.
Healthcare Expansion
OpenAI acquires Torch to integrate AI into healthcare technology stacks.
OpenAI has reached an agreement to acquire Astral, a startup specializing in high-performance developer tooling, to strengthen its Codex team. This move follows a string of strategic acquisitions by OpenAI, including Promptfoo and Torch, as it seeks to dominate the AI-integrated software development lifecycle.
This page surfaces every story mentioning Codex across our startup coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running startup beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Codex was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |