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Thinking Machines' Inkling 2 Small Debuts at 1,654 Points on Arena's Code WebDev Leaderboard

November 5, 2026 at 18:55 EST

Software Dev & Coding
Open Source

Thinking Machines' Inkling 2 Small has entered Arena's Code WebDev leaderboard with a score of 1,654 points, and Arena says it would rank first among US open-weight models once its weights are released.

Code WebDev Leaderboard · Arena

Thinking Machines' Inkling 2 Small enters Arena's WebDev top tier

The model scores 1,654 points and, per Arena, would rank first among US open-weight models once its weights are released. The standing is a projection until the weights are published.

1,654

WebDev score for Inkling 2 Small

+128

Points ahead of Muse Spark Open, the second-ranked US open model

4th

Projected placement, list not specified in the announcement

WebDev score: Inkling 2 Small vs. Muse Spark Open

Columns drawn to scale from zero. Each block represents 10 points.

1,654

Inkling 2 Small

1,526

Muse Spark Open

The gap is 128 points, roughly 8% of the higher score. Both models sit in a narrow band.

From score to open-weight status

1. Score published

1,654 on Code WebDev via automated evaluation

→

2. Weights pending

Not yet downloadable or independently runnable

→

3. Release and testing

Timing set; independent results still to confirm

The key caveat

A high automated score is not yet proof of production coding performance.

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