Moonshot AI · Model identity
Kimi K3.1 Pro
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
1pricing route
What published route metadata supports
CachingReasoningStructured outputTool useVideo inputVision
Input modalities
ImageTextVideo
Supported API parameters
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolstop_logprobs
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-10-23
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare Kimi K3.1 Pro with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | moonshotai/kimi-k3.1-pro | $2 | $0.2 | $10 | 1.05M | OpenRouter API ↗ |
0 verified price changes since Aug 26, 2026
1 route availability change recorded. No earlier prices are inferred.
- Oct 24, 2026OpenRouter · Standard
New pricing route added