Last refreshed 2026-10-16. Next refresh: weekly.
Why use Kimi K3 on OpenRouter?
OpenRouter offers Kimi K3 with pay-as-you-go pricing at $3.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Kimi K3 across 3 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: moonshotai/kimi-k3moonshotai/kimi-k3Request example
moonshotai/kimi-k3.Gotchas
- Use provider model ID "moonshotai/kimi-k3", not the LLMReference slug "kimi-k3".
Compare Kimi K3 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Moonshot AI Kimi | $3.00 | $15.00 |
| OpenRouter | $3.00 | $15.00 |
| Featherless | $3.00 | $15.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $3.00 |
| Output tokens | $15.00 |
Capabilities
About Kimi K3
Kimi K3 is Moonshot AI's 2.8-trillion-parameter flagship multimodal model for long-horizon coding, knowledge work, deep reasoning, and agentic workflows. It uses Kimi Delta Attention, Attention Residuals, and a sparse MoE design (16 of 896 experts active), supports a 1,048,576-token context window, text/image/video input, always-on reasoning, ToolCalls, strict JSON Schema structured output, automatic context caching, and partial mode through Moonshot's OpenAI-compatible API.