Arena 周报：Nano Banana 2.1 三项图像榜进前六
This Week in the Arena:
Nano Banana 2.1 在 Image Arena 三个模式均进入前六：Multi-Image Edit 第 4（1431 分）、Text-to-Image 第 5（1328 分）、Image Edit 第 6（1428 分）。Mistral Large 4 在 Agent Arena 总榜第 43（-6.6%），比上一版 Mistral Medium 3.5（-12.60%）高 11 位，Mistral AI 由此进入前 15 实验室。Claude Haiku 5.5 (High) 在 Code Arena: WebDev 排第 30（1587 分），与 GPT-6 Luna 同为 $0.10/$0.50 每 1M input/output tokens 但高 6 分；Arena 同时推出 Alignment Index，并宣布 $200M B 轮融资、估值 $3.1B。
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- Nano Banana 2.1 ranked in the top 6 across three Image Arena modes: #4 (1431 pts) in Multi-Image Edit, #5 (1328 pts) in Text-to-Image, and #6 (1428 pts) in Image Edit.
- Mistral Large 4 landed at #43 overall in Agent Arena (-6.6%), ranking 11 spots above its previous variant, Mistral Medium 3.5 (-12.60%). The result also places Mistral AI among the top 15 labs, and it's the only European lab on the list!
- Claude Haiku 5.5 (High) also landed in the Code Arena: WebDev at #30 (1587 pts). Just off the Pareto frontier, it matches GPT‑6 Luna’s price at $0.10/$0.50 per 1M input/output tokens, while scoring six pts higher. Agent score coming soon!
- We also introduced Arena’s Alignment Index, and announced a $200M Series B at a $3.1B valuation. Find more info in thread.
See the week’s leaderboards, research, and company updates in the full YouTube recap.