Compare
MoonshotAI: Kimi K3 vs Anthropic: Claude Opus 5.5
MoonshotAI: Kimi K3 and Anthropic: Claude Opus 5.5 are both reasoning models. This page compares the specs we have. It does not declare a quality winner — Arena and Artificial Analysis keep those numbers.
Live specs
| MoonshotAI: Kimi K3 | Anthropic: Claude Opus 5.5 | |
|---|---|---|
| Type | reasoning | reasoning |
| Input | $0.192 / M | $4 / M |
| Output | $16 / M | $20 / M |
| Context | 1.0M | 1.0M |
| Inputs | text, image, video | text, image, file |
| Tools | yes | yes |
| Weights | open | unverified |
PickMoonshotAI: Kimi K3 if
- input price matters. MoonshotAI: Kimi K3 lists $0.192 / M in
- the input is long. MoonshotAI: Kimi K3 lists 1.0M context
- you need weights you can download
PickAnthropic: Claude Opus 5.5 if
- its lab, license, or the explainer matches the job better
Saved runs
No public playground runs include both models yet.