Kimi K3
Summary
Kimi K3 is an open-weight language model from Moonshot AI, released on 16 Jul 2026. It accepts text, images and video and generates text, with a 1M-token context window and up to 1M output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.72 per million input tokens and $14 per million output tokens (OpenRouter), across 14 providers we track.
Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Moonshot AI |
|---|---|
| Release date | 16 Jul 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [Hugging Face] |
| License | kimi-k3 [Hugging Face] |
| Parameters | 2.8T [Hugging Face] |
| Context window | 1M (1,048,576 tokens) [models.dev] |
| Max output | 1M tokens [models.dev] |
| Input | Text, images and video [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
| Hugging Face | moonshotai/Kimi-K3 [Hugging Face] |
Kimi K3 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| NVIDIA NIM moonshotai/kimi-k3 | Free | Free | – | 1M | models.dev, 4 Oct 2026 |
| OpenRouter moonshotai/kimi-k3 | $0.72 | $14 | $0.70 | 1M | OpenRouter, 4 Oct 2026 |
| SiliconFlow moonshotai/Kimi-K3 | $2.70 | $13.50 | $0.27 | 1M | models.dev, 4 Oct 2026 |
| DeepInfra moonshotai/Kimi-K3 | $2.85 | $14.25 | $0.28 | 1M | models.dev, 4 Oct 2026 |
| Alibaba Cloud Model Studio kimi-k3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Moonshot AI API kimi-k3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Amazon Bedrock global.moonshotai.kimi-k3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Fireworks AI accounts/fireworks/models/kimi-k3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Baseten moonshotai/Kimi-K3 | $3 | $15 | – | 1M | models.dev, 4 Oct 2026 |
| Hugging Face Inference Providers moonshotai/Kimi-K3 | $3 | $15 | – | 1M | models.dev, 4 Oct 2026 |
| Nebius AI Studio moonshotai/Kimi-K3 | $3 | $15 | $3 | 1M | models.dev, 4 Oct 2026 |
| Fireworks AI accounts/fireworks/routers/kimi-latest | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Novita AI moonshotai/kimi-k3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Together AI moonshotai/Kimi-K3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Vercel AI Gateway moonshotai/kimi-k3 | $3 | $15 | $0.30 | 1M | models.dev, 4 Oct 2026 |
| Amazon Bedrock us.moonshotai.kimi-k3 | $3.30 | $16.50 | $0.33 | 1M | models.dev, 4 Oct 2026 |
| Fireworks AI accounts/fireworks/routers/kimi-fast-latest | $4.50 | $22.50 | $0.45 | 1M | models.dev, 4 Oct 2026 |
| Fireworks AI accounts/fireworks/routers/kimi-k3-fast | $4.50 | $22.50 | $0.45 | 1M | models.dev, 4 Oct 2026 |
| Vercel AI Gateway moonshotai/kimi-k3-fast | $4.50 | $22.50 | $0.45 | 1M | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of Kimi K3?
Kimi K3 has a context window of 1,048,576 tokens (1M) and can generate up to 1,048,576 tokens in a single response, according to models.dev.
How much does the Kimi K3 API cost?
Through Alibaba Cloud Model Studio, Kimi K3 costs $3 per million input tokens and $15 per million output tokens. The lowest listed price is $0.72 input / $14 output through OpenRouter. Prices last verified 4 Oct 2026.
Is Kimi K3 open source?
Kimi K3 is an open-weight model: its weights are published on Hugging Face as moonshotai/Kimi-K3 under the kimi-k3 license. Check the license terms before commercial use.
When was Kimi K3 released?
Moonshot AI released Kimi K3 on 16 Jul 2026, according to models.dev.
Which providers offer Kimi K3?
We track Kimi K3 on 14 providers: NVIDIA NIM, OpenRouter, SiliconFlow, DeepInfra, Alibaba Cloud Model Studio, Moonshot AI API, Amazon Bedrock, Fireworks AI, Baseten, Hugging Face Inference Providers, Nebius AI Studio, Novita AI, Together AI, Vercel AI Gateway.
Change history
- OpenRouter price changed: input $0.72 → $0.72, output $13 → $14 per 1M tokens
Sources
- https://openrouter.ai/moonshotai/kimi-k3
- https://github.com/sst/models.dev/blob/dev/providers/moonshotai/models/kimi-k3.toml
- https://huggingface.co/moonshotai/Kimi-K3
- https://github.com/sst/models.dev/blob/dev/providers/nvidia/models/moonshotai/kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/siliconflow/models/moonshotai/Kimi-K3.toml
- https://github.com/sst/models.dev/blob/dev/providers/deepinfra/models/moonshotai/Kimi-K3.toml
- https://github.com/sst/models.dev/blob/dev/providers/alibaba/models/kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/amazon-bedrock/models/global.moonshotai.kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/fireworks-ai/models/accounts/fireworks/models/kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K3.toml
- https://github.com/sst/models.dev/blob/dev/providers/huggingface/models/moonshotai/Kimi-K3.toml
- https://github.com/sst/models.dev/blob/dev/providers/nebius/models/moonshotai/Kimi-K3.toml
- https://github.com/sst/models.dev/blob/dev/providers/fireworks-ai/models/accounts/fireworks/routers/kimi-latest.toml
- https://github.com/sst/models.dev/blob/dev/providers/novita-ai/models/moonshotai/kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/togetherai/models/moonshotai/Kimi-K3.toml
- https://github.com/sst/models.dev/blob/dev/providers/vercel/models/moonshotai/kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/amazon-bedrock/models/us.moonshotai.kimi-k3.toml
- https://github.com/sst/models.dev/blob/dev/providers/fireworks-ai/models/accounts/fireworks/routers/kimi-fast-latest.toml
- https://github.com/sst/models.dev/blob/dev/providers/fireworks-ai/models/accounts/fireworks/routers/kimi-k3-fast.toml
- https://github.com/sst/models.dev/blob/dev/providers/vercel/models/moonshotai/kimi-k3-fast.toml