Nex N2.5 Pro
Nex N2.5 Pro is a language model from Nex AGI. It is currently free at 1 provider with up to 262K tokens of context. The model supports step-by-step reasoning, supports tool calling.
- Developer
- Nex AGI
- Context
- 262K tokens
- Type
- Text
Where to use Nex N2.5 Pro 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": "nex-n2.5-pro: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="nex-n2.5-pro: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: "nex-n2.5-pro: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 We do not publish our own estimates.
Similar free models
FAQ
Is Nex N2.5 Pro free?
Yes. As of September 26, 2026, Nex N2.5 Pro is free at UnoRouter. Each provider has its own limits — see the table above.
What is the context window of Nex N2.5 Pro?
The largest context among free routes is 262,144 tokens. Some providers cap it lower.
How do I call Nex N2.5 Pro via API?
Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID nex-n2.5-pro:free, and a UnoRouter key.