head-to-head

OpenAI: GPT Sol Latest vs Nex AGI: Nex-N2.5-Pro

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT Sol Latest Nex AGI: Nex-N2.5-Pro
Vendor~openainex-agi
Quality Score100100
Input Price$2.00/M$0.07/M
Output Price$10.00/M$0.25/M
Context Window1,050,000262,144
Max Output128,000235,929
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskOpenAI: GPT Sol LatestNex AGI: Nex-N2.5-Pro
SQL Generation 132 131
Code Review 132 126
Code Completion 117 129
Code Refactoring 136 127
Bug Fixing 136 130
Unit Test Generation 124 121
Code Documentation 129 126
Regex Writing 117 119
CI/CD Pipelines 120 117
CSV / Spreadsheet Cleanup 132 128
ETL Scripting 128 122
JSON Extraction 121 131
Bulk Data Labeling 118 129
OCR / Document Parsing 131 128
Table Extraction from PDFs 131 128
Long-Document Summarization 136 129
Short-Form Summarization 113 123
Blog Post Writing 120 119

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

Cohere: Command A+ vs OpenAI: GPT Sol Latest Cohere: Command A+ vs Nex AGI: Nex-N2.5-Pro OpenAI: GPT-6 Luna Pro vs OpenAI: GPT Sol Latest OpenAI: GPT-6 Luna Pro vs Nex AGI: Nex-N2.5-Pro OpenAI: GPT-6 Luna Pro (batch) vs OpenAI: GPT Sol Latest OpenAI: GPT-6 Luna Pro (batch) vs Nex AGI: Nex-N2.5-Pro OpenAI: GPT-6 Luna vs OpenAI: GPT Sol Latest OpenAI: GPT-6 Luna vs Nex AGI: Nex-N2.5-Pro

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.