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OpenKey

Nex-N2-Pro

NexReleased Jun 8, 2026

Nex-N2-Pro is an agentic mixture-of-experts model from Nex AGI, with 17B active parameters out of 397B total. Built on the Qwen3.5 architecture, it accepts text and image input and produces...

Try in playground
Context window
262K tokens
Max output
262K tokens
Input
text, image
Output
text
Tokenizer
Qwen3
Released
Jun 8, 2026
Reasoning
optional

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.250$0.0075$0.258
Output$1.00$0.030$1.03
Cache read$0.025$0.0008$0.026

Benchmarks

Design Arena

CategoryEloWin rateRank
3Dmodels132157%#11
Codemodels127450%#24
Data vizmodels125349.5%#27
Game devmodels127048.8%#24
SVGmodels127956.8%#8
UI componentsmodels125246.6%#29
Websitesmodels125547.7%#29

Head-to-head preference voting. How we filter and rank

Supported parameters

  • frequency_penalty
  • include_reasoning
  • logprobs
  • max_tokens
  • reasoning
  • temperature
  • top_k
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model nex-agi/nex-n2-pro.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nex-agi/nex-n2-pro",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="nex-agi/nex-n2-pro",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "nex-agi/nex-n2-pro",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Nex-N2-Pro cost via API?
Through OpenKey, Nex-N2-Pro costs $0.258 per 1M input tokens and $1.03 per 1M output tokens. That is the provider price ($0.250 / $1.00) plus a flat 3% fee — nothing else.
What is Nex-N2-Pro's context window?
Nex-N2-Pro accepts up to 262K tokens of context and returns up to 262K tokens per request.
Is Nex-N2-Pro OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "nex-agi/nex-n2-pro" using any OpenAI SDK — only the base URL and API key change.
What inputs does Nex-N2-Pro support?
Nex-N2-Pro accepts text, image input and produces text output.