Rebuilding Ancient Rome — 10 Months of AI Progress

https://arena.ai/agent Watch the progress of frontier models in bringing Ancient Rome to life on Arena, from Q4 2025 to today with Claude Sonnet 5.5. Featured models: - Claude Opus 4.5, 4.6, 4.7, 4.8, 5 and 5.5 - Claude Fable 5 and 5.1 - Claude Sonnet 5.5 - GPT-5.2, 5.3 Codex, 5.4, 5.5, 5.6 Sol, 6 Astra, and 6 Sol - Gemini 3.1 - Kimi K3 - Qwen 3.8 Max See example prompt: https://x.com/arena/status/2104992778371625189 #arenaai #llm #agenticai