Kimi K3.1 Pro Highspeed
Summary
Kimi K3.1 Pro Highspeed is a proprietary language model from Moonshot AI, released on 23 Oct 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 2 Nov 2026, the lowest listed API price is $2 per million input tokens and $10 per million output tokens (Moonshot AI API), across 4 providers we track.
Multimodal Kimi model with 1M context and always-on reasoning for coding, 3D creation, financial research, and agentic work
Last verified 2 Nov 2026. Every figure on this page links to its source.
Specifications
| Developer | Moonshot AI |
|---|---|
| Release date | 23 Oct 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| 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] |
Kimi K3.1 Pro Highspeed API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Moonshot AI API kimi-k3.1-pro | $2 | $10 | $0.20 | 1M | models.dev, 2 Nov 2026 |
| Novita AI moonshotai/kimi-k3.1-pro | $2 | $10 | $0.20 | 1M | models.dev, 2 Nov 2026 |
| Vercel AI Gateway moonshotai/kimi-k3.1-pro | $2 | $10 | $0.20 | 1M | models.dev, 2 Nov 2026 |
| OpenRouter moonshotai/kimi-k3.1-pro | $2 | $10 | $0.20 | 1M | OpenRouter, 2 Nov 2026 |
| Moonshot AI API kimi-k3.1-pro-highspeed | $4 | $20 | $0.20 | 1M | models.dev, 2 Nov 2026 |
| Novita AI moonshotai/kimi-k3.1-pro-highspeed | $4 | $20 | $0.20 | 1M | models.dev, 2 Nov 2026 |
Frequently asked questions
What is the context window of Kimi K3.1 Pro Highspeed?
Kimi K3.1 Pro Highspeed 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 K3.1 Pro Highspeed API cost?
Through Moonshot AI API, Kimi K3.1 Pro Highspeed costs $2 per million input tokens and $10 per million output tokens. Prices last verified 2 Nov 2026.
Is Kimi K3.1 Pro Highspeed open source?
No. Kimi K3.1 Pro Highspeed is a proprietary model; Moonshot AI has not released its weights. It is available through APIs including Moonshot AI API, Novita AI, Vercel AI Gateway, OpenRouter.
When was Kimi K3.1 Pro Highspeed released?
Moonshot AI released Kimi K3.1 Pro Highspeed on 23 Oct 2026, according to models.dev.
Which providers offer Kimi K3.1 Pro Highspeed?
We track Kimi K3.1 Pro Highspeed on 4 providers: Moonshot AI API, Novita AI, Vercel AI Gateway, OpenRouter.
Change history
- Name changed from Kimi K3.1 Pro to Kimi K3.1 Pro Highspeed
- Name changed from Kimi K3.1 Pro Highspeed to Kimi K3.1 Pro
- Name changed from Kimi K3.1 Pro to Kimi K3.1 Pro Highspeed
- Name changed from Kimi K3.1 Pro Highspeed to Kimi K3.1 Pro
- Now listed on Novita AI
- Now listed on Novita AI
- Now listed on OpenRouter
- Now listed on Moonshot AI API
- Now listed on Vercel AI Gateway
- Now listed on Moonshot AI API
- Added to the directory
Sources
- https://github.com/sst/models.dev/blob/dev/providers/moonshotai/models/kimi-k3.1-pro-highspeed.toml
- https://github.com/sst/models.dev/blob/dev/providers/moonshotai/models/kimi-k3.1-pro.toml
- https://github.com/sst/models.dev/blob/dev/providers/novita-ai/models/moonshotai/kimi-k3.1-pro.toml
- https://github.com/sst/models.dev/blob/dev/providers/vercel/models/moonshotai/kimi-k3.1-pro.toml
- https://openrouter.ai/moonshotai/kimi-k3.1-pro
- https://github.com/sst/models.dev/blob/dev/providers/novita-ai/models/moonshotai/kimi-k3.1-pro-highspeed.toml