

NEX N2
#108 in Open-Source LLMsNex Agi · since 2. Juni 2026 · 3× · last seen Jun 29, 2026
3
Momentum
Nex-N2-Pro is an open-source language model by Nex AGI (nex-agi), built as a Mixture-of-Experts architecture with 397 billion total parameters and 17 billion active parameters per token. It is post-trained on the Qwen3.5-397B-A17B base model, tailored by Nex AGI for agentic tasks such as coding, tool use, and long-horizon workflows via an "Agentic Thinking" framework. The model was released on June 2, 2026, is freely available under the Apache 2.0 license (weights on Hugging Face/ModelScope), and supports text and image input with a 262,144-token context window.
Momentum trend
19.05.17.08.
Features
| Key Benchmark (%) | 80.8% on SWE-Bench Verified (vendor-reported) |
| Context Window | 262,144 tokens (262K) for Nex-N2-Pro; likewise 262,144 tokens for Nex-N2-mini |
| Context Window (Tokens) | 262,144 tokens |
| License | Apache 2.0 |
| Model Size (Parameters) | Nex-N2-Pro: 397B parameters total, 17B active per token (MoE); Nex-N2-mini: 35B parameters total, ~3B active per token (MoE) |
| Multimodality | Text and image input, text output |
| Platform | Hugging Face, ModelScope, GitHub, OpenRouter, SiliconFlow (API & weights) |
| Price per 1M Tokens | $0.25 input / $1.00 output per 1M tokens (OpenRouter listing) |
| Release Date | June 2, 2026 |