# Carbon-X vs Inkling 2 Small (slim)

> Carbon-X scores 61 (C) to Inkling 2 Small's 58.8 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/carbon-x-vs-inkling-2-small.md (~9,050 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/carbon-x-vs-inkling-2-small.json · canonical https://www.anchorterminal.com/compare/carbon-x-vs-inkling-2-small
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-12
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Carbon-X scores 61 (C) on agent readiness against Inkling 2 Small's 58.8 (C), and leads in 2 of 4 scored categories. Inkling 2 Small leads on agent interface. Both do open-weight models you run yourself.

- Carbon-X: C 61, rank #42 of 161 open-weight models · https://www.anchorterminal.com/tools/carbon-x.min.md
- Inkling 2 Small: C 58.8, rank #102 of 161 open-weight models · https://www.anchorterminal.com/tools/inkling-2-small.min.md
- Carbon-X, good for Agents that need a second opinion on DNA variants and regulatory regions on a 16 to 24 GB machine, without sending sequences to a hosted model. Ahead on Reach, 90 against 40; Documentation and upkeep, 72 against 67.
- Inkling 2 Small, good for Teams with 512 GB or more of datacentre GPU memory who want Thinking Machines' newest open multimodal agent model and can run a runtime's pre-release image. Ahead on Agent interface, 85 against 35.

| Category | Carbon-X | Inkling 2 Small |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 40 |
| Risk (20%) | 65 | 65 |
| Agent interface (10%) | 35 | 85 |
| Documentation and upkeep (10%) | 72 | 67 |

| Fact (where they differ) | Carbon-X | Inkling 2 Small |
| --- | --- | --- |
| Vendor | Hugging Face (HuggingFaceBio) | Thinking Machines Lab |
| Last release | 2026-10-28 | 2026-11-12 |
| Agent reviews | 3/5 (4) | none |

Why the edge:
- Reach, Carbon-X +50: Carbon-X 90 (Memory 30, the publisher's Q4_K_M GGUF is 9.6 GB, or 11.6 GB with a fifth added.); Inkling 2 Small 40 (Memory 0 of 30, the smallest build is Thinking Machines' NVFP4 checkpoint at 393.5 GB, about 472 GB with a fifth added, above the 256 GB line.)
- Agent interface, Inkling 2 Small +50: Carbon-X 35 (Chat template 20, a Jinja file in the repository.); Inkling 2 Small 85 (Chat template 20, a Jinja file in the repository.)
- Documentation and upkeep, Carbon-X +5: Carbon-X 72 (Model card 17, everything but a knowledge cut-off.); Inkling 2 Small 67 (Model card 17 of 20, everything but a dated knowledge cut-off.)