# Promptfoo

Type: Company

Source: Startup Intelligence Brief — https://getstartupbrief.com/entity/promptfoo
Canonical HTML page: https://getstartupbrief.com/entity/promptfoo

## Timeline

- **2026-12-31**: Headcount Target — OpenAI aims to reach a total workforce of 8,000 employees globally.
- **2026-03-19**: Astral Acquisition — OpenAI announces the acquisition of Astral to boost Codex and developer tooling.
- **2026-03-15**: Developer Tools — OpenAI reveals plans to acquire Astral, a startup specializing in Python tools for developers.
- **2026-03-01**: Security Focus — OpenAI agrees to acquire AI security startup Promptfoo to test and secure AI agents.
- **2026-Q1**: Security Focus — OpenAI acquires Promptfoo to enhance LLM security and testing capabilities.
- **2026**: Integration Phase — Expected integration of Astral's high-performance tools into OpenAI's developer API and Codex models.
- **2025-Q4**: Healthcare Expansion — OpenAI acquires Torch to integrate AI into healthcare technology stacks.
- **2025-Q4**: Early Acquisitions — OpenAI acquires Software Applications Inc. and Neptune to bolster its technical stack.

## Recent coverage (2 stories)

### OpenAI Plans Massive Workforce Expansion to 8,000 Amid Escalating AI Talent War
2026-03-23 00:56:01 · Sentiment: Positive · Impact: 7/10 · Sources: 2

OpenAI is set to nearly double its workforce to 8,000 employees by the end of 2026, focusing on engineering, research, and sales to maintain its lead against rivals like Anthropic and Google. The expansion is supported by a significant real estate footprint in San Francisco and strategic acquisitions of developer-focused startups.
Full story: https://getstartupbrief.com/story/openai-headcount-expansion-8000-employees-2026

### OpenAI Acquires Astral to Bolster Codex and AI-Native Developer Tooling
2026-03-19 15:05:38 · Sentiment: Positive · Impact: 7/10 · Sources: 2

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.
Full story: https://getstartupbrief.com/story/openai-acquires-astral-codex-boost

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This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. See https://getstartupbrief.com/guides/methodology for the full editorial methodology.