Arena ranks Inkling 2 Small No. 1 among US open models on two leaderboards

Thinking Machines has released Inkling 2 Small’s weights, according to Arena, which ranks the model No. 2 among open models in Agent Arena and No. 4 in Code Arena: WebDev. The price tag is smaller, too: Arena reports a $0.26 median cost per agent task, versus $1.22 for Kimi K3.1 Pro, its top-ranked open model in Agent Arena.