DeepSeek V3.1 Nex N1

nex-agi

DeepSeek V3.1 Nex-N1 is the flagship release of the Nex-N1 series — a post-trained model designed to highlight agent autonomy, tool use, and real-world productivity. Nex-N1 demonstrates competitive performance across all evaluation scenarios, showing particularly strong results in practical coding and HTML generation tasks.

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Capabilities

Tool Use

Example Use Cases

Agentic tool use task

Practical coding or html generation

Autonomous agent workflow

Technical Specifications

Context Window

131,072 tokens

Max Output

163,840 tokens

Cache Miss Cost

$0.27 per 1M tokens

Non-Reasoning Cost

$1 per 1M tokens

Web Search Cost

$15 per 1K calls

Code Execution Cost

$0.19 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus