head-to-head
MoonshotAI: Kimi Latest vs OpenAI: GPT-5.4 Nano
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.
| MoonshotAI: Kimi Latest | OpenAI: GPT-5.4 Nano | |
|---|---|---|
| Vendor | ~moonshotai | openai |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 31.5 |
| Input Price | $0.99/M | $0.20/M |
| Output Price | $12.75/M | $1.25/M |
| Context Window | 1,048,576 | 400,000 |
| Max Output | 943,718 | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | - | 34.2 |
Who wins by task?
| Task | MoonshotAI: Kimi Latest | OpenAI: GPT-5.4 Nano |
|---|---|---|
| SQL Generation | 132 | 138 |
| Code Review | 132 | 138 |
| Code Completion | 129 | 132 |
| Code Refactoring | 136 | 141 |
| Bug Fixing | 136 | 142 |
| Unit Test Generation | 124 | 128 |
| Code Documentation | 129 | 134 |
| Regex Writing | 117 | 123 |
| CI/CD Pipelines | 120 | 124 |
| Frontend Component Design | 122 | 126 |
| Data Analysis | 124 | 129 |
| CSV / Spreadsheet Cleanup | 132 | 135 |
| ETL Scripting | 128 | 132 |
| JSON Extraction | 129 | 131 |
| Bulk Data Labeling | 125 | 129 |
| OCR / Document Parsing | 131 | 132 |
| Table Extraction from PDFs | 131 | 132 |
| Long-Document Summarization | 136 | 143 |
| Short-Form Summarization | 121 | 125 |
| Blog Post Writing | 120 | 126 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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