Nex-N2.5-Pro
Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file changes, run commands, launch applications, interact with browser and desktop interfaces, and test software from the user's perspective. When observed behavior does not match the intended result, Nex-N2.5 can diagnose the issue, revise its implementation, and test again. This makes it especially effective for autonomous software engineering, GUI-based QA, computer-use automation, deep research, and scientific workflows where success must be demonstrated in the environment—not merely inferred from generated code.
nex-agi/nex-n2.5-pro
- Context
- 262k tokens
- Completion cap
- 235,929
- Tools
- Yes
- JSON
- Yes
- Released
- 2026-09-08
Call it from Geek Hub
Same OpenAI SDK. Change the base URL and the model id.
curl https://api.geekhub.mx/v1/chat/completions \
-H "Authorization: Bearer $GEEKHUB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nex-agi/nex-n2.5-pro",
"messages": [{"role": "user", "content": "Hola"}]
}'Frequently asked questions
- What is Nex-N2.5-Pro?
- Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file changes, run commands, launch applications, interact with browser and desktop interfaces, and test software from the user's perspective. When observed behavior does not match the intended result, Nex-N2.5 can diagnose the issue, revise its implementation, and test again. This makes it especially effective for autonomous software engineering, GUI-based QA, computer-use automation, deep research, and scientific workflows where success must be demonstrated in the environment—not merely inferred from generated code. Nex-N2.5-Pro runs on the Geek Hub API (OpenAI-compatible). Model id: nex-agi/nex-n2.5-pro.
- Is Nex-N2.5-Pro free?
- No. Input is $0.0818 per 1M tokens and output is $0.2725 per 1M tokens on Geek Hub (markup included).
- What is the context length of Nex-N2.5-Pro?
- Nex-N2.5-Pro has a 262k tokens context window. It supports up to 235,929 completion tokens.
- Does Nex-N2.5-Pro support tool calling and structured outputs?
- Nex-N2.5-Pro accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
- When was Nex-N2.5-Pro released?
- Nex-N2.5-Pro was released on 2026-09-08.