Qwen: Qwen3.7 Flash vs MoonshotAI: Kimi K3
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-27.
| Qwen: Qwen3.7 Flash | MoonshotAI: Kimi K3 | |
|---|---|---|
| Vendor | qwen | moonshotai |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 73.9 |
| Input Price | $0.03/M | $3.00/M |
| Output Price | $0.13/M | $15.00/M |
| Context Window | 1,000,000 | 1,048,576 |
| Max Output | 65,536 | 943,718 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | - | 71.9 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.7 Flash costs $0.062 and Kimi K3 costs $6.75, so Qwen3.7 Flash is about 108.0 times cheaper for the same work.
Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.
Across the 20 tasks where they differ, Qwen3.7 Flash scores higher on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others), Kimi K3 on 16 (SQL Generation, Code Review, Code Refactoring and others).
Pick Qwen3.7 Flash if you need lower cost; pick Kimi K3 if you need 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 | Qwen: Qwen3.7 Flash | MoonshotAI: Kimi K3 |
|---|---|---|
| SQL Generation | 134 | 140 |
| Code Review | 132 | 145 |
| Code Completion | 132 | 117 |
| Code Refactoring | 136 | 147 |
| Bug Fixing | 136 | 149 |
| Unit Test Generation | 124 | 132 |
| Code Documentation | 132 | 134 |
| Regex Writing | 120 | 123 |
| CI/CD Pipelines | 120 | 128 |
| Frontend Component Design | 122 | 130 |
| Data Analysis | 124 | 134 |
| CSV / Spreadsheet Cleanup | 134 | 135 |
| ETL Scripting | 128 | 138 |
| JSON Extraction | 132 | 120 |
| Bulk Data Labeling | 130 | 116 |
| OCR / Document Parsing | 131 | 134 |
| Table Extraction from PDFs | 131 | 134 |
| Long-Document Summarization | 138 | 147 |
| Short-Form Summarization | 124 | 116 |
| Blog Post Writing | 122 | 128 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →