Arena tracks frontier models' Ancient Rome progress; Claude Sonnet 5.5 and GPT-6.1 scores coming

arena · x · 2026-09-30

Arena showcased how frontier models have progressed on bringing Ancient Rome to life from Q4 2025 to now, featuring Claude Opus 4.5–5.5, Claude Fable 5/5.1, GPT-5.2 through GPT-6 Astra/Sol, Gemini 3.1, Kimi K3, and Qwen 3.8 Max. Scores for Claude Sonnet 5.5 and GPT-6.1 are coming soon, powered by real-world tasks from its global user community.

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