Building self-improving tax agents with Codex
Not a pilot. OpenAI, Thrive, and Crete deployed self-improving tax agents on Codex—automating filings at scale.
Why it matters
Demonstrates real-world deployment of AI agents solving high-stakes business problems (tax compliance). Shows how model-based agents are moving from research to production workflows, with accuracy and automation as measurable outcomes.
The key facts
11 to knowPartnership: OpenAI, Thrive, Crete
Technology: Codex-based self-improving agent
Use case: Tax filing automation and accuracy improvement
Outcome focus: Workflow acceleration, filing automation
Published on OpenAI official blog (May 2026)
Self-improving tax agent built on Codex
Partners: OpenAI, Thrive, Crete
Use case: Tax filing automation
Claimed improvements: accuracy gains, workflow acceleration
Agent capability: autonomous improvement loop
Publication source: OpenAI official blog
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: See how OpenAI, Thrive, and Crete built a self-improving tax agent with Codex, automating filings, improving accuracy, and accelerating workflows.