Intern-S2
Shanghai AI Lab 397B multimodal scientific reasoning model; thinking mode on by default.
Specs
- Context
- 262.1K
- Max output
- —
- Input price
- —
- Output price
- —
- Released
- 2026-09-13
Context
- Context window
- 262.1K
- Max input
- —
- Max output
- —
Pricing
- Not published
Modalities
- Input
- TextImage
- Output
- Text
API
- API types
Reasoning
- Reasoning
- Yes
- Levels
- —
Info
- Status
- Active
- Released
- 2026-09-13
- Knowledge cutoff
- —
Features
- Confirmed
How to call
1 provider
shlabmodel = intern-s2reasoning = thinking_mode
chat
POSThttps://chat.intern-ai.org.cn/api/v1/chat/completions
messages
POSThttps://chat.intern-ai.org.cn/v1/messages
JSON
Standard format
{
"id": "intern-s2",
"object": "model",
"created": 1789257600,
"owned_by": "shlab",
"name": "Intern-S2",
"api": {
"types": [
"chat",
"messages"
]
},
"limits": {
"context": 262144,
"input": null,
"output": null
},
"modalities": {
"input": [
"text",
"image"
],
"output": [
"text"
]
},
"reasoning": {
"supported": true,
"efforts": []
},
"pricing": null,
"features": [
"tools",
"streaming"
],
"info": {
"status": "active",
"release_date": "2026-09-13",
"knowledge_cutoff": null,
"description": "Shanghai AI Lab 397B multimodal scientific reasoning model; thinking mode on by default.",
"docs": "https://internlm.intern-ai.org.cn/doc/docs/%E6%A8%A1%E5%9E%8B%E5%88%97%E8%A1%A8/",
"verified_at": "2026-10-11"
}
}Official sources
5
获取模型列表 | InternLM API 文档internlm.intern-ai.org.cn2026-10-11Chat Completions | InternLM API 文档internlm.intern-ai.org.cn2026-10-11Hugging Face internlm/Intern-S2 config.json (official org)huggingface.co2026-10-11书生-S2 发布 | 上海人工智能实验室www.shlab.org.cn2026-10-11Messages API | InternLM API 文档internlm.intern-ai.org.cn2026-10-11