https://romainfrog.github.io/ 2026-09-07 https://romainfrog.github.io/social-card.png Romain Froger — AI agent researcher https://romainfrog.github.io/blog/omnilingual-gaia2/ 2026-09-07 https://romainfrog.github.io/blog/omnilingual-gaia2/social-card.png OmnilingualGAIA2: Evaluating AI Agents Across Ten Languages https://romainfrog.github.io/blog/gaia2-cli/ 2026-09-07 https://romainfrog.github.io/blog/gaia2-cli/social-card.png Gaia2-CLI: Evaluating Agentic Systems in Real Execution Environments