# Inkling vs Spark-X2.6-4B (slim)

> Inkling scores 64.2 (B) to Spark-X2.6-4B's 61 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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Inkling scores 64.2 (B) on agent readiness against Spark-X2.6-4B's 61 (C), and leads in 3 of 4 scored categories. Spark-X2.6-4B leads on reach. Both do open-weight models you run yourself.

- Inkling: B 64.2, rank #20 of 100 open-weight models · https://www.anchorterminal.com/tools/inkling.min.md
- Spark-X2.6-4B: C 61, rank #48 of 100 open-weight models · https://www.anchorterminal.com/tools/spark-x2-6-4b.min.md
- Inkling, good for Agents calling a hosted open multimodal model with audio input, or teams with a multi-GPU datacentre node who want to run it themselves. Ahead on Risk, 70 against 50; Agent interface, 85 against 70; Documentation and upkeep, 82 against 41.
- Spark-X2.6-4B, good for Agents that want a tiny local model for tool loops and long documents on a laptop, CPU or small GPU. Ahead on Reach, 85 against 50.

| Category | Inkling | Spark-X2.6-4B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 50 | 85 |
| Risk (20%) | 70 | 50 |
| Agent interface (10%) | 85 | 70 |
| Documentation and upkeep (10%) | 82 | 41 |

| Fact (where they differ) | Inkling | Spark-X2.6-4B |
| --- | --- | --- |
| Vendor | Thinking Machines Lab | SparkLLM (XHToken) |
| Last release | 2026-07-23 | 2026-10-20 |