AI model APIs · head-to-head
DeepSeek V4 Pro vs Kimi K2.6
Same usage, official rates, ranked by nothing but price. Both rate cards, the monthly bill at five workloads, and the exact usage mix where the answer flips.
The pricing verdict Kimi K2.6 is cheaper while output tokens make up less than 90% of your total volume; past that, DeepSeek V4 Pro takes over. Most chat and agent workloads run 20–30% output.
Rate cards
| Per 1M tokens | DeepSeek V4 Pro | Kimi K2.6 |
|---|---|---|
| Input | $1.32 | $0.95 |
| Cached input | $0.044 | $0.16 |
| Output | $3.96 | $4 |
| Context window | — | 262K |
Monthly cost at five workloads
| Workload | Tokens / month | DeepSeek V4 Pro | Kimi K2.6 |
|---|---|---|---|
| Prototype | 1M in · 0.3M out | $2.51 | $2.15 |
| Small app | 10M in · 3M out | $25.1 | $21.5 |
| Production app | 50M in · 15M out | $125 | $108 |
| High volume | 200M in · 60M out | $502 | $430 |
| Heavy platform | 1B in · 300M out | $2,508 | $2,150 |
Exact switch point
Cost per 1M blended tokens is $1.32→$3.96 for DeepSeek V4 Pro and $0.95→$4 for Kimi K2.6 as your mix shifts from all-input to all-output. The lines cross at 90.2% output share — below it Kimi K2.6 wins, above it DeepSeek V4 Pro does. Long documents in, short answers out favours Kimi K2.6; generation-heavy work favours DeepSeek V4 Pro.
Standard on-demand rates from each provider's official pricing page, verified July 2026; figures exclude caching and batch discounts and any long-context surcharges. DeepSeek V4 Pro: Cache-hit input bills at $0.044 per 1M at peak ($0.022 off-peak). Figures use PEAK rates. DeepSeek bills by time of day: peak is 01:00-04:00 and 06:00-10:00 UTC, and off-peak (the other 17 hours) is half these prices. We publish peak so the figure can never understate a bill; halve it for off-peak traffic. Kimi K2.6: Cache-hit input bills at $0.16 per 1M. Price is one input — quality, latency and context limits differ. Confirm live pricing before committing.