Arena ranks Thinking Machines' Inkling 2 Small #31 in Agent Arena
Overview
Arena says Thinking Machines Lab's Inkling 2 Small ranks #31 overall in Agent Arena, up from #56 for the earlier Inkling-Small.
Arena lists it as #9 among open models, with a median cost of $0.25 per task, which it says is 70% lower than Kimi K3 (Max).
The model is available now for fine-tuning and inference on Tinker. Thinking Machines says full open weights are coming soon.
Written by AI from the articles below · updated Nov 9, 4:22 PM ET
Check the sources:
Article timeline
The articles in this story. Times are ET.
Arena.ai@arenaOfficialArena ranks Inkling 2 Small #31 overall in Agent ArenaAIArena says Thinking Machines Lab's Inkling 2 Small ranks #31 overall in Agent Arena, up about 18 percentage points from Inkling-Small's #56 with −18%. Among open models it would rank #9, and its median cost per task is $0.25, 70% lower than Kimi K3 (Max), with full open weights coming soon. The model is already available for fine-tuning and inference on Tinker.

Heat Trend
- Current comparable heat
- 8
- Peak comparable heat
- 9Nov 9, 5:00 PM ET
- Change in past 24 hours
- –
The trend compares only continuously observed participants, so its scope may be smaller than the current heat total. Hover or tap for hourly heat; use arrow keys with a keyboard.