小米全模態大模型MiMo-V2.6-Pro在Arena.ai Code Arena: WebDev測評中首次亮相即重返總榜前十，並在MIT許可證開源權重模型中排名前三；早期自動評估獲1628分，與Claude Fable5(High)持平，展現開源模型在網頁開發領域的競爭力。
Anthropic於9月23日發佈Claude5.5系列首款模型Opus5.5，官方稱多數任務表現與Fable5.1相當，典型任務成本較上代Opus5降低40%，輸出速度提升超30%，已上線Claude及亞馬遜雲、谷歌雲、微軟Azure。9項測試中7項領先Fable5.1、Opus5及GPT-6 Astra、GPT-5.6 Sol，三項編程測試均獲最高分。
9月22日，小米發佈新一代大模型MiMo-V2.6，推出Pro和Flash兩個原生全模態版本。Pro版在Artificial Analysis綜合智能指數上拿到46分，超越Kimi K3和Qwen3.8Max，成爲當前最強開源模型；但小米坦言，與Claude Fable5.1、GPT-6Astra等頂級閉源模型仍有差距。
Anthropic或跳過Opus5.2，被曝內測代號claude-wafer-eap的Opus5.5，最快本週二發佈；定價每百萬Token輸入4美元、輸出20美元，直指GPT-6，性能傳超Astra。另有Claude Fable5.2暗中籌備，IPO前動作密集。
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