Nex AGI: Nex-N2.5-Pro

Text input Image input Text output
Author's Description

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...

Key Specifications
Cost
$$
Context
262K
Released
Sep 08, 2026
Speed
★
Ability
★★★★
Reliability
★★
Supported Parameters

This model supports the following parameters:

Top P Structured Outputs Temperature Tool Choice Reasoning Include Reasoning Logprobs Top Logprobs Tools Max Tokens
Features

This model supports the following features:

Tools Structured Outputs Reasoning
Performance Summary

Nex AGI: Nex-N2.5-Pro (free) demonstrates exceptional reliability, consistently providing usable responses with a 96% success rate. While its speed performance is moderate, ranking in the 20th percentile, it offers cost-effective solutions, placing in the 78th percentile for price. The model exhibits strong performance in Instruction Following and General Knowledge, achieving 81.0% and 99.5% accuracy respectively, indicating its capability in understanding and executing complex directives and its broad factual understanding. It also performs well in Reasoning (86.0% accuracy) and Email Classification (97.0% accuracy). A notable weakness is observed in its handling of Hallucinations, where it only achieved 86.0% accuracy, suggesting room for improvement in acknowledging uncertainty. Its Ethics performance, at 95.0% accuracy, is solid but ranks in the lower quartile for that specific benchmark. The model's duration for Reasoning and Ethics benchmarks was particularly long, ranking in the 5th and 2nd percentiles respectively, indicating these complex tasks require significant processing time.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.075
Completion $0.25
Input Cache Read $0.015

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Nex AGI
Nex AGI | nex-agi/nex-n2.5-pro-20260907 262K $0.075 / 1M tokens $0.25 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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