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GLM 5.2 Fast API

  • 1MContext
  • 128KMax output
  • $2.60/ $8.80From, per 1M in / out
  • 1Provider
Providers
  • Inference.net

Pricing

ProviderInput / 1MCached / 1MOutput / 1M
Inference.net$2.60$0.40$8.80

USD, as of October 27, 2026. Live prices

Cost

WorkloadInference.net
1,000 chat replies2K in, 500 out each$9.60
1,000 agent tasks50K in, 5K out each$174.00
Monthly batch job500M in, 50M out$1,740.00

Quickstart

OpenAI-compatible
curl https://api.routerplus.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTERPLUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5.2-fast",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

FAQ

How much does the GLM 5.2 Fast API cost?

On RouterPlus, GLM 5.2 Fast costs $2.60 per million input tokens and $8.80 per million output tokens at Inference.net, the lowest listed prices and the provider where routing starts. Prices as of October 27, 2026.

Which providers serve GLM 5.2 Fast?

Inference.net serves GLM 5.2 Fast on RouterPlus today.

What is the GLM 5.2 Fast model ID?

Use "z-ai/glm-5.2-fast" as the model with the OpenAI-compatible endpoint at https://api.routerplus.com/v1. The same key also accepts the Anthropic API format.

What is the GLM 5.2 Fast context window?

1M tokens of context and up to 128K output tokens, per the RouterPlus catalog. A provider can list a lower limit; the console shows each one.

Is GLM 5.2 Fast open weights?

Yes. Z.ai publishes GLM 5.2 Fast as an open-weight model, which is why several independent providers can host it.

Do any GLM 5.2 Fast providers retain prompts?

None of the 1 providers serving GLM 5.2 Fast on RouterPlus list prompt retention.

Can I reserve capacity for GLM 5.2 Fast?

Yes. Tell us the model, the throughput you need and the region with "I need inference", and RouterPlus lines up reserved capacity for it.

Need GLM 5.2 Fast at volume?