Intern-S1-Pro
Described as the first one-trillion-parameter scientific multimodal model, with 1T total, 512 experts and 22B active. It is said to master over 100 science tasks.
Trillion-scale RL enabled by XTuner and LMDeploy, with straight-through-estimator routing, grouped routing and Fourier Position Encoding for physical signals. Apache-2.0; tech report arXiv 2603.25040 (2026-03-26).
- Date
- Monday, 2 February 2026
- Lab
- Shanghai AI Laboratory (InternLM)
- Kind
- open-weights
- Access
- open weights
Figures
| Measure | Value | Measured by |
|---|---|---|
| Total / active parameters | 1T / 22B 512 experts, 8 active | company |
| Scientific tasks covered | over 100 | company |
Date from HF weights upload; 'first 1T scientific model' is the lab's claim.
Sources
This record was checked against its sources on 6 October 2026. How we check