Model comparison
Kimi K2 0905 vs Claude 4 Opus
Capability radar, value bars, and side-by-side posture.
Kimi K2 0905
Not scored
value score
Claude 4 Opus
95
value score
Kimi K2 0905 ctx
—
Claude 4 Opus ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Opus95
Attribute tape
| Field | Kimi K2 0905 | Claude 4 Opus |
|---|---|---|
| Developer | ~moonshotai | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $15/1M in · $75/1M out |
| Value score | — | 95 |
| Summary | Kimi K2 0905 is an updated Mixture-of-Experts large language model from Moonshot AI with 1T total parameters and 32B active per forward pass, optimized for agentic coding, tool use, and long-context reasoning up to 256k tokens. It is available as an open-weight instruct model and via hosted API surfaces including OpenRouter. | Anthropic frontier Opus-class model. |