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Moonshot: Kimi K2.6

kimi-k2.6

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Kimi K2.6 costs $0.650 per million input tokens and $3.38 per million output tokens, supports 262K context, and is available through the OpenAI-compatible API.

Kimi K2.6 is an open-source, native multimodal agentic model built for long-horizon coding, coding-driven design, and large-scale task orchestration. It can turn simple prompts and visual inputs into production-ready interfaces and full-stack workflows, and is designed to coordinate complex multi-agent plans with thousands of steps across code, documents, and spreadsheets.

Modalities

Text + Image → Text

Input / output price

$0.650 / $3.38 per 1M

Context

262K · max output 66K

Capabilities

ReasoningVisionTool callingLong contextOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$0.650
Output$3.38
Cached input$0.163

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.00465
Per day
$2.33
Per month (30 days)
$69.81

Kimi K2.6: input $0.65/M · output $3.38/M · cached input $0.1625/M

Request with these settings
curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "kimi-k2.6", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to kimi-k2.6.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kimi-k2.6",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is Kimi K2.6 billed?
Input is $0.650 and output is $3.38 per million tokens; cached input is $0.163. The charge for every request is listed in Usage Logs in the console.
How long is the context window?
262K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?
Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.
Kimi K2.6 API pricing · GeniusRelay