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Z.ai: GLM 5 Original

glm-5-original

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GLM 5 Original costs $0.780 per million input tokens and $2.47 per million output tokens, supports 200K context, and is available through the OpenAI-compatible API.

GLM-5 is a capable open-weight model from Zhipu with advanced reasoning and instruction following. This Original variant uses the model maker's direct endpoint.

Modalities

Text → Text

Input / output price

$0.780 / $2.47 per 1M

Context

200K · max output 128K

Capabilities

ReasoningTool callingOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$0.780
Output$2.47
Cached input$0.130

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.00432
Per day
$2.16
Per month (30 days)
$64.74

GLM 5 Original: input $0.78/M · output $2.47/M · cached input $0.13/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": "glm-5-original", "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 glm-5-original.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-5-original",
    "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 GLM 5 Original billed?
Input is $0.780 and output is $2.47 per million tokens; cached input is $0.130. The charge for every request is listed in Usage Logs in the console.
How long is the context window?
200K 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.
GLM 5 Original API pricing · GeniusRelay