Nex AGI: Nex-N2.5-Pro vs Google: Gemini 3.8 Flash (batch)
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Nex AGI: Nex-N2.5-Pro | Google: Gemini 3.8 Flash (batch) | |
|---|---|---|
| Vendor | nex-agi | |
| Quality Score | 100 | 100 |
| Input Price | $0.07/M | $0.38/M |
| Output Price | $0.25/M | $1.88/M |
| Context Window | 262,144 | 1,048,576 |
| Max Output | 235,929 | 65,536 |
| 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 Gemini 3.8 Flash (batch) costs $0.84, so Nex-N2.5-Pro is about 6.1 times cheaper for the same work.
Gemini 3.8 Flash (batch) reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Nex-N2.5-Pro.
Only Gemini 3.8 Flash (batch) offers audio input and video input.
Across the 18 tasks where they differ, Nex-N2.5-Pro scores higher on 4 (Regex Writing, JSON Extraction, Bulk Data Labeling and others), Gemini 3.8 Flash (batch) on 14 (SQL Generation, Code Review, Code Completion and others).
Pick Nex-N2.5-Pro if you need lower cost; pick Gemini 3.8 Flash (batch) if you need long documents, audio input, video input or the stronger all-round task scores.
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?
| Task | Nex AGI: Nex-N2.5-Pro | Google: Gemini 3.8 Flash (batch) |
|---|---|---|
| SQL Generation | 131 | 133 |
| Code Review | 126 | 132 |
| Code Completion | 129 | 131 |
| Code Refactoring | 127 | 136 |
| Bug Fixing | 130 | 136 |
| Unit Test Generation | 121 | 124 |
| Code Documentation | 126 | 131 |
| Regex Writing | 119 | 119 |
| CI/CD Pipelines | 117 | 120 |
| CSV / Spreadsheet Cleanup | 128 | 133 |
| ETL Scripting | 122 | 128 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| OCR / Document Parsing | 128 | 131 |
| Table Extraction from PDFs | 128 | 131 |
| Long-Document Summarization | 129 | 137 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 119 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →