Intern S2
Free right now
Small
New
Long context
Intern S2 is a language model. It is currently free at 1 provider with up to 262K tokens of context.
- Context
- 262K tokens
- Type
- Text
- Free since
- October 1, 2026
Where to use Intern S2 for free
Each row is a separate free endpoint with its own limits.
Quick start
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer $UNOROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "intern-s2:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://api.unorouter.com/v1",
api_key="YOUR_UNOROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="intern-s2:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.unorouter.com/v1",
apiKey: process.env.UNOROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "intern-s2:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.
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FAQ
Is Intern S2 free?
Yes. As of October 1, 2026, Intern S2 is free at UnoRouter. Each provider has its own limits — see the table above.
What is the context window of Intern S2?
The largest context among free routes is 262,144 tokens. Some providers cap it lower.
How do I call Intern S2 via API?
Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID intern-s2:free, and a UnoRouter key.