What is OpenAI's Direct Competitor to Anthropic's Mythos?
As OpenAI and Anthropic gear up for IPOs, new frontier models Astra and Claude Mythos showcase breakthrough math proofs and critical cybersecurity power

TL;DR
- OpenAI and Anthropic are preparing for IPOs this year.
- OpenAI's Astra model has solved ten long-standing open mathematical problems across various fields.
- Astra reached critical cybersecurity risk thresholds, prompting OpenAI to slow its development and release to strengthen protections.
- Astra scored 100% on ExploitBench, demonstrating the ability to develop exploits and discover zero-day vulnerabilities.
- Anthropic's Claude Fable 5 leads the GDPval-AA benchmark for agentic real-world knowledge work.
- While Mythos specializes in analyzing released patches for exploits, Astra can discover unknown vulnerabilities and chain them into exploits without human guidance.