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Nex-N2.5 Pro

Nex AGIOpen WeightsPending Human Review

Nex-N2.5 Pro is a separately positioned tier in Nex AGI’s September 2026 agentic family. The Pro tier strengthens multimodal long-horizon tasks, including computer use, web browsing, coding, and knowledge work. Its large mixture-of-experts checkpoint targets greater capability at higher serving cost. Adaptive thinking can produce direct answers or reasoning traces, with controllable reasoning effort. Apache-licensed downloadable weights and compatible serving examples are published. The official repository establishes the released family but does not date its first public availability precisely, so month precision is preserved. Agent evaluation results reflect the model together with tools, context management, and execution budgets.

2026-09
397B
Hybrid-attention vision-language Mixture-of-Experts Transformer
Apache-2.0

Specifications

Parameters
397B
Architecture
Hybrid-attention vision-language Mixture-of-Experts Transformer
License
Apache-2.0
Type
multimodal
Modalities
textimage

Benchmark Scores

Advanced Specifications

Model Family
Nex
API Access
Available
Chat Interface
Not Available
Variants
Nex-N2.5-Pro

Capabilities & Limitations

Capabilities
agentic reasoningcodingtool usevisioncomputer use
Known Limitations
Requires compatible reasoning and tool-call parsersLarge total weights drive memory requirements despite sparse inferenceLong workflows may repeat mistakes or fail to satisfy constraints
Notable Use Cases
long-running task agentsrepository maintenanceproductivity workflow research
Function Calling Support
Yes
Tool Use Support
Yes

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