SIDE BY SIDE
Kimi K2 0711 vs Kimi K2 0905
Both are Kimi models. Kimi K2 0905 was added to OpenRouter on 2025-09-04, Kimi K2 0711 on 2025-07-11.
| Field | Kimi K2 0711 | Kimi K2 0905 |
|---|---|---|
| Provider | MoonshotAI | MoonshotAI |
| Family | Kimi | Kimi |
| Province | Blossom Valley | Blossom Valley |
| Context window | 131K tokens | 262K tokens |
| Maximum output | 98K tokens | 98K tokens |
| Input / 1M tokens | $0.570 | $0.600 |
| Output / 1M tokens | $2.30 | $2.50 |
| Accepts | text | text |
| Produces | text | text |
| Reasoning | No | No |
| Tool use | Yes | Yes |
| Added to OpenRouter | 2025-07-11 | 2025-09-04 |
| Model ID | moonshotai/kimi-k2 | moonshotai/kimi-k2-0905 |
Questions and answers
Which is cheaper, Kimi K2 0711 or Kimi K2 0905?
Kimi K2 0711 costs less for both input ($0.570 vs $0.600) and output ($2.30 vs $2.50) per million tokens. On input, Kimi K2 0711 is 5% cheaper.
Which has the larger context window?
Kimi K2 0905: 262K tokens against 131K for Kimi K2 0711 (2× as long).
What can one do that the other cannot?
Nothing among reasoning, tool use and image input: both support tool use.
Answers are computed from the 2026-10-24 catalog snapshot.