---
title: Nex AGI: Nex N2.5 Pro (free) | Text Generation | ModelsLab
description: Build with Nex AGI: Nex N2.5 Pro (free) API by Nex AGI. Text generation, chat, code, and reasoning. Plans from $21/month.
url: https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro-free.md
canonical: https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro-free
type: product
component: Playground/LLM/Index
generated_at: 2026-09-09T21:33:55.899931Z
---

Nex AGI: Nex-N2.5-Pro (free)
---

 [LLMs.txt](https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro-free/llms.txt) [.md](https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro-free.md)

Nex AGI: Nex-N2.5-Pro (free)
---

Choose a prompt below to get started or type your own message

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### Nex AGI: Nex-N2.5-Pro (free)

nex-agi nex-agi-nex-n2.5-pro-free

Copy model ID

PricingInput $0.00 / 1M tokens

Output $0.00 / 1M tokens

API EndpointsOpenAI Compatible

`https://modelslab.com/api/v7/llm/chat/completions`Endpoint

Anthropic Compatible

`https://modelslab.com/api/v7/llm/v1/messages`Messages

`https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens

`https://modelslab.com/api/v7/llm/v1/models`Models

Use with Claude Code

cURL Example

ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses.

Temperature0.7

Max Tokens4000

Top P0.9

Frequency Penalty0

Presence Penalty0

Thinkinglow

lowmediumhigh

Deeper thinking spends more of the Max Tokens budget before the answer starts.

Model Info

Support

Looking for something different?
---

Models that trade off differently against the one you are viewing

### Better quality

Newer flagship models that generally produce stronger results.

[![GPT 5.2](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/2bdd00f4-1692-49d8-a562-72cb1753d0ff.png)](https://modelslab.com/models/openai/gpt-5.2)[OpenAI](https://modelslab.com/models/openai)

 [GPT 5.2](https://modelslab.com/models/openai/gpt-5.2)

[![GPT 5.1](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/fad83520-47a8-4059-b4b9-b32adf4d0be7.png)](https://modelslab.com/models/openai/gpt5.1)[OpenAI](https://modelslab.com/models/openai)

 [GPT 5.1](https://modelslab.com/models/openai/gpt5.1)

[![Gemini 3 Pro Preview](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/1846e76f-9d5c-4a35-a43a-82db45b7bb8b.png)](https://modelslab.com/models/google/gemini-3-pro-preview)[Google](https://modelslab.com/models/google)

 [Gemini 3 Pro Preview](https://modelslab.com/models/google/gemini-3-pro-preview)

[![GPT-5.1-Codex-Max](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/06356c4c-df09-4ccb-a5c0-629da670f75b.png)](https://modelslab.com/models/openai/gpt-5.1-codex-max)[OpenAI](https://modelslab.com/models/openai)

 [GPT-5.1-Codex-Max](https://modelslab.com/models/openai/gpt-5.1-codex-max)

### Lower cost per run

Open-source models we host, unlimited on the $149/month plan.

[Modelslab: Custom LLM

Popular](https://modelslab.com/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab.com/models/modelslab)

 [Modelslab: Custom LLM](https://modelslab.com/models/modelslab/uncensored-chat)

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About Nex AGI: Nex-N2.5-Pro (Free)
---

Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file...

### Technical Specifications

Model IDnex-agi-nex-n2.5-pro-free

CategoryLLM Models

TaskText Generation

AddedSeptember 8, 2026

### Key Features

- Chat completion and multi-turn conversation API
- Streaming response with token-by-token output
- Function calling and tool use support
- System prompts and role-based messaging
- JSON mode and structured output

### Quick Start

Integrate Nex AGI: Nex-N2.5-Pro (Free) into your application with a single API call. Get your API key from the [pricing page](https://modelslab.com/pricing) to get started.

PythonJavaScriptcURLPHP

```
<code>import requests
import json

url = "https://modelslab.com/api/v7/llm/chat/completions"

headers = {
    "Content-Type": "application/json"
}

data = {
        "model_id": "nex-agi-nex-n2.5-pro-free",
        "messages": [
            {
                "role": "user",
                "content": "Hello!"
            }
        ],
        "max_tokens": 1000,
        "key": "YOUR_API_KEY"
    }

try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")</code>
```

### Use Cases

- AI chatbots and virtual assistants
- Code generation and developer tools
- Content writing and copywriting automation
- Data analysis, summarization, and extraction

[Browse LLM Models](https://modelslab.com/models?feature=llmaster) [More from Nex AGI](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing)

Nex AGI: Nex-N2.5-Pro (Free) FAQ
---

### What is Nex AGI: Nex-N2.5-Pro (Free)?

Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file...

### How do I use the Nex AGI: Nex-N2.5-Pro (Free) API?

You can integrate Nex AGI: Nex-N2.5-Pro (Free) into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "nex-agi-nex-n2.5-pro-free" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### What is the Nex AGI: Nex-N2.5-Pro (Free) model ID?

The model ID for Nex AGI: Nex-N2.5-Pro (Free) is "nex-agi-nex-n2.5-pro-free". Use this ID in your API requests to specify this model.

### Do I need a paid plan to use Nex AGI: Nex-N2.5-Pro (Free)?

Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet.

---

*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

---
*Generated by ModelsLab - 2026-09-10*