Qwen: Qwen3.8 Max (0902) vs MoonshotAI: Kimi K3
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-21.
| Qwen: Qwen3.8 Max (0902) | MoonshotAI: Kimi K3 | |
|---|---|---|
| Vendor | qwen | moonshotai |
| Quality Score | 100 | 100 |
| Benchmark Score | 76.5 | 73.0 |
| Input Price | $2.00/M | $0.24/M |
| Output Price | $6.00/M | $11.94/M |
| Context Window | 1,000,000 | 1,048,576 |
| Max Output | 131,072 | 943,718 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 74.9 | 71.9 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Kimi K3 costs $3.22 and Qwen3.8 Max (0902) costs $3.50, so Kimi K3 is slightly 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.
On our blended benchmark score Qwen3.8 Max (0902) leads 76.5 to 73.0.
Across the 20 tasks where they differ, Qwen3.8 Max (0902) scores higher on 16 (SQL Generation, Code Review, Code Refactoring and others), Kimi K3 on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others).
Qwen3.8 Max (0902) was released in September 2026 and Kimi K3 in July 2026.
Pick Qwen3.8 Max (0902) if you need benchmark performance or the stronger all-round task scores; pick Kimi K3 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?
| Task | Qwen: Qwen3.8 Max (0902) | MoonshotAI: Kimi K3 |
|---|---|---|
| SQL Generation | 142 | 141 |
| Code Review | 146 | 145 |
| Code Completion | 119 | 131 |
| Code Refactoring | 148 | 147 |
| Bug Fixing | 150 | 149 |
| Unit Test Generation | 133 | 132 |
| Code Documentation | 137 | 136 |
| Regex Writing | 125 | 124 |
| CI/CD Pipelines | 129 | 128 |
| Frontend Component Design | 131 | 130 |
| Data Analysis | 135 | 134 |
| CSV / Spreadsheet Cleanup | 136 | 135 |
| ETL Scripting | 138 | 138 |
| JSON Extraction | 122 | 129 |
| Bulk Data Labeling | 119 | 126 |
| OCR / Document Parsing | 134 | 134 |
| Table Extraction from PDFs | 134 | 134 |
| Long-Document Summarization | 149 | 148 |
| Short-Form Summarization | 118 | 125 |
| Blog Post Writing | 130 | 129 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →