> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bytespike.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# kimi-k2-6

> Moonshot's Kimi K2.6 — long-context Chinese-LLM with a 128K-token context window. Available through OpenAI Chat Completions.

`kimi-k2-6` is Moonshot's long-context flagship — strong on Chinese tasks with a **128K-token context window**.

## Pricing

| Input       | Cache read  | Output      |
| ----------- | ----------- | ----------- |
| \$0.95 / 1M | \$0.16 / 1M | \$4.00 / 1M |

Cache write is billed at the input rate. See the [pricing table](https://bytespike.ai/pricing#text) for the live rate.

## Protocols

| Protocol                | Path                                                |
| ----------------------- | --------------------------------------------------- |
| OpenAI Chat Completions | `POST https://llm.bytespike.ai/v1/chat/completions` |

## Quickstart

```bash theme={null}
curl https://llm.bytespike.ai/v1/chat/completions \
  -H "Authorization: Bearer $BYTESPIKE_API_KEY" \
  -H "content-type: application/json" \
  -d '{
    "model": "kimi-k2-6",
    "messages": [{ "role": "user", "content": "Hello, ByteSpike." }]
  }'
```

## Capabilities

| Capability               | Supported     |
| ------------------------ | ------------- |
| Chat Completions         | ✅             |
| Streaming (SSE)          | ✅             |
| Tools / function calling | ✅             |
| JSON mode                | ✅             |
| Vision (image input)     | —             |
| Long context             | ✅ 128K tokens |
| Context window           | 128K tokens   |

## When to use

* **Long-document Chinese-language QA** — 128K context for large-document review.
* **CN-region multi-doc synthesis** — Kimi's strongest dimension.
* **Long-context workloads** — throw long prompts at it.

## Next

* [claude-opus-4-8](/models/claude-opus-4-8) — Anthropic flagship alternative
* [gemini-3-5-flash](/models/gemini-3-5-flash) — 1M-context alternative