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Arena Ranks Thinking Machines' Inkling 2 Small No. 31 on Agent Arena and Projects a Top US Open-Weights Spot

November 9, 2026 at 12:13 EST

AI Agents
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Arena says Thinking Machines' Inkling 2 Small has placed 31st overall on its Agent Arena leaderboard and is expected to become the top-ranked US open-weights model once its weights are released.

Agent Arena · Thinking Machines

Inkling 2 Small climbs to No. 31 on Agent Arena, with its open weights still pending

The successor to Inkling-Small moves up 25 places. Arena projects it will become the top-ranked US open-weights model on the leaderboard once the weights are released.

No. 31

Inkling 2 Small overall rank

+25

Places gained over Inkling-Small (No. 56)

~18 pts

Gap in net change between the two models

Pending

Open weights, listed as "coming soon"

Overall rank on Agent Arena

Column height is proportional to rank position (lower is better).

No. 56

Inkling-Small

No. 31

Inkling 2 Small

Scale: 4 px per rank position. The 25-place climb is the difference between the two columns.

Net improvement on the same measure

Signed values on one scale; the zero line marks no net change.

−18%

Inkling-Small

+0.08%

Inkling 2 Small

The +0.08% bar is nearly flat at this scale. The methodology behind the net figure is not detailed in the announcement, so the magnitude cannot be fully assessed.

From ranking to open-weights leader

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