Moonshot AI · Model identity
Kimi K3
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...
2pricing routes
What published route metadata supports
CachingHugging FaceReasoningStructured outputTool useVideo inputVision
Input modalities
ImageTextVideo
Supported API parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-07-16
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 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | moonshotai/kimi-k3 | $3 | $0.3 | $15 | 1.05M | OpenRouter API ↗ |
| OpenRouterBatch | moonshotai/kimi-k3:batch | $3 | $0.3 | $15 | 1.05M | OpenRouter API ↗ |
Hugging Face references
Presence of a Hugging Face ID is not treated as proof that model weights are open.
2 verified price changes since Aug 26, 2026
1 route availability change recorded. No earlier prices are inferred.
Input / 1M$3Aug 26, 2026 → Aug 29, 2026
Output / 1M$15Aug 26, 2026 → Aug 29, 2026
- Aug 29, 2026OpenRouter · Standard
Input $2.55 → $3 · Cached input $0.256 → $0.3 · Output $12.75 → $15
- Aug 28, 2026OpenRouter · Batch
New pricing route added
- Aug 28, 2026OpenRouter · Standard
Input $3 → $2.55 · Cached input $0.3 → $0.256 · Output $15 → $12.75