head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-13.

OpenAI: GPT Terra Latest Nex AGI: Nex-N2.5-Pro
Vendor~openainex-agi
Quality Score100100
Input Price$2.00/M$0.07/M
Output Price$12.00/M$0.25/M
Context Window1,050,000262,144
Max Output128,000235,929
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Nex-N2.5-Pro costs $0.14 and GPT Terra Latest costs $5.00, so Nex-N2.5-Pro is about 36.4 times cheaper for the same work.

GPT Terra Latest reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 393 pages for Nex-N2.5-Pro.

Across the 18 tasks where they differ, GPT Terra Latest scores higher on 13 (SQL Generation, Code Review, Code Refactoring and others), Nex-N2.5-Pro on 5 (Code Completion, Regex Writing, JSON Extraction and others).

Pick GPT Terra Latest if you need long documents or the stronger all-round task scores; pick Nex-N2.5-Pro if you need lower cost.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskOpenAI: GPT Terra 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 117 129
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 →

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