inclusionAI: Ling 3.0 Flash vs OpenAI: GPT-5.6 Luna Pro
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-02.
| inclusionAI: Ling 3.0 Flash | OpenAI: GPT-5.6 Luna Pro | |
|---|---|---|
| Vendor | inclusionai | openai |
| Quality Score | 100 | 100 |
| Benchmark Score | 30.4 | - |
| Input Price | $0.02/M | $0.20/M |
| Output Price | $0.06/M | $1.20/M |
| Context Window | 262,144 | 1,050,000 |
| Max Output | 32,768 | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | - | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 33.2 | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Ling 3.0 Flash costs $0.037 and GPT-5.6 Luna Pro costs $0.50, so Ling 3.0 Flash is about 13.6 times cheaper for the same work.
GPT-5.6 Luna Pro reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 393 pages for Ling 3.0 Flash.
Only GPT-5.6 Luna Pro offers image input.
Across the 20 tasks where they differ, Ling 3.0 Flash scores higher on 11 (SQL Generation, Code Review, Bug Fixing and others), GPT-5.6 Luna Pro on 9 (Code Completion, Code Refactoring, Code Documentation and others).
Pick Ling 3.0 Flash if you need lower cost; pick GPT-5.6 Luna Pro if you need long documents or image input.
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 | inclusionAI: Ling 3.0 Flash | OpenAI: GPT-5.6 Luna Pro |
|---|---|---|
| SQL Generation | 135 | 133 |
| Code Review | 132 | 132 |
| Code Completion | 129 | 131 |
| Code Refactoring | 133 | 136 |
| Bug Fixing | 136 | 136 |
| Unit Test Generation | 125 | 124 |
| Code Documentation | 129 | 131 |
| Regex Writing | 123 | 119 |
| CI/CD Pipelines | 121 | 120 |
| Frontend Component Design | 96 | 122 |
| Data Analysis | 129 | 124 |
| CSV / Spreadsheet Cleanup | 129 | 133 |
| ETL Scripting | 127 | 128 |
| JSON Extraction | 132 | 131 |
| Bulk Data Labeling | 130 | 129 |
| OCR / Document Parsing | 84 | 131 |
| Table Extraction from PDFs | 84 | 131 |
| Long-Document Summarization | 135 | 137 |
| Short-Form Summarization | 125 | 123 |
| Blog Post Writing | 123 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →