NEX AGI
Nex N2 Pro
Nex AGI's open-source agentic reasoning model, post-trained on Qwen3.5-397B-A17B. It is built for agentic coding, software engineering, deep research, tool use, and long-horizon tasks with a 256K context window.
Model facts
- Context window
- 262K tokens
- Maximum output
- 236K tokens
- Cheapest paid input
- $0.25 per 1M tokens
- Cheapest paid output
- $1 per 1M tokens
- Open weights
- yes
- Providers
- 2
Capabilities and modalities
reasoning, tool calling, structured output, attachments, temperature control, open weights, text, image.
Artificial Analysis benchmarks
Compare this model on the full LLM benchmark leaderboard.
| Configuration | AAI | Coding | Math | Output tokens/s |
|---|---|---|---|---|
| default | 41.7 | 59.1 | not measured | 134.0 |
Observed price history
- 2026-08-24: $0.25 input / $1 output per 1M tokens
API providers
- OpenRouter — model id nex-agi/nex-n2-pro; $0.25 input / $1 output per 1M tokens; provider documentation
- NanoGPT — model id nex-agi/nex-n2-pro; $0.5 input / $2.5 output per 1M tokens; provider documentation