Qwen3.8 Max vs Kimi K3: cost
For a typical support chatbot, Qwen3.8 Max is about 2.2× cheaper than Kimi K3 ($531 vs $1,148 per month). Price is only one factor: test both on your own prompts before switching.
| Qwen3.8 Max | Kimi K3 | |
|---|---|---|
| Input /1M | $2.00 | $3.00 |
| Output /1M | $6.00 | $15.00 |
| Cached input /1M | $0.25 | $0.30 |
| Batch input /1M | — | — |
| Batch output /1M | — | — |
| Context window | 1,000,000 | 1,048,576 |
| Max input | 991,808 | 1,048,576 |
| Max output | 131,072 | 1,048,576 |
Monthly cost by workload
| Scenario (per month) | Qwen3.8 Max | Kimi K3 |
|---|---|---|
| Customer support chatbot 5,000 req/day · 1,200 in · 400 out · cache 60% | $531 | $1,148 |
| RAG over documents 2,000 req/day · 8,000 in · 600 out · cache 30% | $924 | $1,591 |
| Coding agent 1,500 req/day · 25,000 in · 2,000 out · cache 80% | $1,215 | $2,295 |
| Deep reasoning 800 req/day · 3,000 in · 6,000 out · cache 20% | $983 | $2,337 |
| Batch processing 50,000 req/day · 1,500 in · 150 out · batch | $5,850 | $10,125 |