Nex AGI: Nex-N2.5-Pro vs Qwen: Qwen3.8 Flash
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Nex AGI: Nex-N2.5-Pro | Qwen: Qwen3.8 Flash | |
|---|---|---|
| Vendor | nex-agi | qwen |
| Quality Score | 100 | 100 |
| Input Price | $0.07/M | $0.15/M |
| Output Price | $0.25/M | $0.47/M |
| Context Window | 262,144 | 1,000,000 |
| Max Output | 235,929 | 131,072 |
| 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 Qwen3.8 Flash costs $0.27, so Nex-N2.5-Pro is about 1.9 times cheaper for the same work.
Qwen3.8 Flash reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 393 pages for Nex-N2.5-Pro.
Only Qwen3.8 Flash offers video input.
Across the 15 tasks where they differ, Nex-N2.5-Pro scores higher on 1 (Bulk Data Labeling), Qwen3.8 Flash on 14 (SQL Generation, Code Review, Code Completion and others).
Nex-N2.5-Pro was released in September 2026 and Qwen3.8 Flash in August 2026.
Pick Nex-N2.5-Pro if you need lower cost; pick Qwen3.8 Flash if you need long documents, 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 | Qwen: Qwen3.8 Flash |
|---|---|---|
| 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 |
| CI/CD Pipelines | 117 | 120 |
| CSV / Spreadsheet Cleanup | 128 | 133 |
| ETL Scripting | 122 | 128 |
| Bulk Data Labeling | 129 | 129 |
| OCR / Document Parsing | 128 | 131 |
| Table Extraction from PDFs | 128 | 131 |
| Long-Document Summarization | 129 | 137 |
| Blog Post Writing | 119 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →