Kimi K2 Thinking vs Kimi K2 0905: cost comparison
Prices updated 2026-10-28 · computed from live provider data
Short answer: Kimi K2 0905 is cheaper on a
3:1 input/output blend — $1.07 per million tokens versus
$1.07, a 0% difference.
Both offer the same 262,144-token context window, so cost is the deciding factor.
Head to head
| Kimi K2 Thinking | Kimi K2 0905 | |
|---|---|---|
| Input, per 1M tokens | $0.600 | $0.600 |
| Output, per 1M tokens | $2.50 | $2.50 |
| Blended 3:1, per 1M | $1.07 | $1.07 |
| Context window | 262,144 | 262,144 |
| Vendor | moonshotai | moonshotai |
Monthly cost at real volumes
| Workload (input / output) | Kimi K2 Thinking | Kimi K2 0905 |
|---|---|---|
| 1M in / 250K out | $1.23 | $1.23 |
| 10M in / 2.5M out | $12.25 | $12.25 |
| 100M in / 25M out | $122 | $122 |
Which should you pick?
Because the context windows are identical, the cheaper option is the better default. Choose Kimi K2 0905 unless you are already standardised on moonshotai tooling and want to avoid a second integration.