# Nex-N2.5-Mini

> Nex-N2.5-Mini is an open-weight language model from NEX AGI, released on 8 Sept 2026. It accepts text and images and generates text, with a 262K-token context window and up to 236K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.03 per million input tokens and $0.10 per million output tokens (OpenRouter), across 1 provider we track.

Source page: https://www.aimodel.directory/models/nex-n2-5-mini
Last verified: 4 Oct 2026

## Specifications

- **Developer:** NEX AGI
- **Release date:** 8 Sept 2026 (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Status:** Generally available
- **Weights:** Open weights (source: Hugging Face, https://huggingface.co/nex-agi/Nex-N2.5-mini)
- **License:** apache-2.0 (source: Hugging Face, https://huggingface.co/nex-agi/Nex-N2.5-mini)
- **Parameters:** 35.1B (source: Hugging Face, https://huggingface.co/nex-agi/Nex-N2.5-mini)
- **Context window:** 262K (262,144 tokens) (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Max output:** 236K tokens (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Input:** Text and images (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Output:** Text (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Reasoning mode:** Yes (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Tool calling:** No (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Structured output:** Yes (source: OpenRouter, https://openrouter.ai/nex-agi/nex-n2.5-mini)
- **Hugging Face:** nex-agi/Nex-N2.5-mini (source: Hugging Face, https://huggingface.co/nex-agi/Nex-N2.5-mini)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $0.03 | $0.10 | $0.0025 | 262K |

## FAQ

### What is the context window of Nex-N2.5-Mini?

Nex-N2.5-Mini has a context window of 262,144 tokens (262K) and can generate up to 235,929 tokens in a single response, according to OpenRouter.

### How much does the Nex-N2.5-Mini API cost?

Nex-N2.5-Mini is listed from $0.03 per million input tokens and $0.10 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.

### Is Nex-N2.5-Mini open source?

Nex-N2.5-Mini is an open-weight model: its weights are published on Hugging Face as nex-agi/Nex-N2.5-mini under the apache-2.0 license. Check the license terms before commercial use.

### When was Nex-N2.5-Mini released?

NEX AGI released Nex-N2.5-Mini on 8 Sept 2026, according to OpenRouter.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "Nex-N2.5-Mini", https://www.aimodel.directory/models/nex-n2-5-mini