GeniusRelay
Sign upConsole

Moonshot: Kimi K2.5

kimi-k2.5

CompareAPIGet an API keyGet an API key

Kimi K2.5 costs $0.724 per million input tokens and $3.68 per million output tokens, supports 262K context, and is available through the OpenAI-compatible API.

Kimi K2.5 is Moonshot AI's native multimodal model built on Kimi K2 with ~15T mixed visual and text tokens, delivering strong general reasoning, visual coding, and agentic tool-calling.

Modalities

Text + Image → Text

Input / output price

$0.724 / $3.68 per 1M

Context

262K · max output 66K

Capabilities

VisionTool callingLong contextOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$0.724
Output$3.68
Cached input$0.119

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.00512
Per day
$2.56
Per month (30 days)
$76.76

Kimi K2.5: input $0.7241/M · output $3.6816/M · cached input $0.1186/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-k2.5", "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-k2.5.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kimi-k2.5",
    "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 K2.5 billed?
Input is $0.724 and output is $3.68 per million tokens; cached input is $0.119. 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 K2.5 API pricing · GeniusRelay