Model comparison
Kimi K2 0905 vs GPT-5
Capability radar, value bars, and side-by-side posture.
Kimi K2 0905
Not scored
value score
GPT-5
94
value score
Kimi K2 0905 ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | Kimi K2 0905 | GPT-5 |
|---|---|---|
| Developer | ~moonshotai | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| 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. | OpenAI frontier multimodal model. |