OpenAI: GPT Sol Latest vs MoonshotAI: Kimi K3
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT Sol Latest | MoonshotAI: Kimi K3 | |
|---|---|---|
| Vendor | ~openai | moonshotai |
| Quality Score | 100 | 100 |
| Input Price | $2.00/M | $0.19/M |
| Output Price | $10.00/M | $16.00/M |
| Context Window | 1,050,000 | 1,048,576 |
| Max Output | 128,000 | 943,718 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Kimi K3 costs $4.19 and GPT Sol Latest costs $4.50, so Kimi K3 is slightly cheaper for the same work.
Both take in a similar amount of text: 1,050,000 and 1,048,576 tokens, about 1,575 and 1,573 pages.
Only Kimi K3 offers video input.
Across the 10 tasks where they differ, GPT Sol Latest scores higher on 6 (SQL Generation, Code Documentation, Regex Writing and others), Kimi K3 on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others).
GPT Sol Latest was released in September 2026 and Kimi K3 in July 2026.
Pick Kimi K3 if you need lower cost or video 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 | OpenAI: GPT Sol Latest | MoonshotAI: Kimi K3 |
|---|---|---|
| SQL Generation | 132 | 132 |
| Code Completion | 117 | 128 |
| Code Documentation | 129 | 128 |
| Regex Writing | 117 | 116 |
| CSV / Spreadsheet Cleanup | 132 | 132 |
| JSON Extraction | 121 | 128 |
| Bulk Data Labeling | 118 | 125 |
| Long-Document Summarization | 136 | 136 |
| Short-Form Summarization | 113 | 120 |
| Blog Post Writing | 120 | 120 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →