GPT-5.6 Sol vs Kimi K3
⚖ Kimi K3 wins 3 of 4 categories and costs less: 1.3× cheaper for everyday text work. Easy pick.
Scores by category
| Category | GPT-5.6 Sol | Kimi K3 |
|---|---|---|
| Overall | 68 | 65 |
| Writing | 67 | 69 |
| Support | 66 | 73 |
| Coding | 67 | 74 |
Provisional scores, 0 to 100 among the models we track, from Arena and Epoch AI. Value weighs the overall score against cost.
Price and specs
| GPT-5.6 Sol | Kimi K3 | |
|---|---|---|
| Vendor | OpenAI | Moonshot AI |
| Released | 2026-07-09 | 2026-07-16 |
| Context window | 1.1M | 1M |
| Open weights | No | Yes |
| Input per 1M tokens | $4.00 | $3.00 |
| Output per 1M tokens | $20.00 | $15.00 |
| Per 1,000 tasks | $16.00 | $12.00 |