As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/inkling-2-small/

# Inkling 2 Small

Thinking Machines Lab, Inkling 2 family. Status: current. Type: reasoning model. Released: 2026-11-05. Training cutoff: not published.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Tinker (Thinking Machines) |  |  | https://thinkingmachines.ai/news/inkling-2-small/ |
| Hugging Face |  |  | https://huggingface.co/thinkingmachines/Inkling-2-Small |
| Hugging Face (MXFP8) |  |  | https://huggingface.co/thinkingmachines/Inkling-2-Small-MXFP8 |

## Pricing

- Price not published.
- Last checked: 2026-11-13

## Specs

- Input: text, image
- Output: text
- Context window: 262,144 tokens
- Max output: not published
- Open weights: yes
- Licence: apache-2.0

## What it has not seen

- No published training cutoff. Counted from its release (2026-11-05): at least 110 AI events since (27 major, 3 historic), as of 2026-11-13.
- Everything since October 2026: https://postcutoff.com/since/2026-10/

## What stands out

- Strong ARC-AGI score for an open-weights model (first): ARC Prize verified ARC-AGI-2 81.7% at $0.27/task and ARC-AGI-1 96.5% at $0.08/task, above every open-weight model ARC had evaluated (Nov 6, 2026). Source: https://x.com/arcprize/status/2118788850742911073

## Notes

594B total / 17B active MoE with a 292M-parameter vision encoder; trained with 256K context plus compaction (context_window here is that training length; served limits not verified). Weights published Nov 12, 2026 after external safety testing; Artificial Analysis Intelligence Index about 31 (v5). Pricing on Tinker not verified.

Thinking Machines Lab's second-generation small model. Launched on Tinker on Nov 5, 2026; open weights (Apache-2.0) on Hugging Face from Nov 12.

Sources: https://thinkingmachines.ai/news/inkling-2-small/ · https://huggingface.co/thinkingmachines/Inkling-2-Small · https://x.com/miramurati/status/2120983826407268458

Model page: https://postcutoff.com/m/inkling-2-small/