GLM-4.6

Updated GLM with reasoning capabilities.

204,800 context
Released September 30, 2025
Starting at $0.55/M input tokens
Starting at $2.20/M output tokens
Streaming
Tools
Reasoning
JSON Output
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Select Provider

All Providers for GLM-4.6

OffRail routes requests to the best providers that are able to handle your prompt size and parameters.

Z AI
Context: 200k
Input
$0.6
/M tokens
Cache Read
$0.11
/M tokens
Output
$2.2
/M tokens
+ $0.010 per search
Get Started
NovitaAI
Context: 204.8kQuant: bf16
Input
$0.55
/M tokens
Cache Read
$0.11
/M tokens
Output
$2.2
/M tokens
Get Started

Frequently asked questions

What is GLM-4.6?

Updated GLM with reasoning capabilities. You can access it through OffRail's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does GLM-4.6 cost?

Pricing for GLM-4.6 on OffRail starts at $0.55 per million input tokens and $2.20 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of GLM-4.6?

GLM-4.6 supports a context window of up to 204,800 tokens on its largest provider deployment.

Which providers serve GLM-4.6?

GLM-4.6 is served by Z AI, NovitaAI through OffRail. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does GLM-4.6 support tool calling and structured outputs?

GLM-4.6 supports tool (function) calling and soft JSON output, but NOT strict JSON output schema (its upstream provider does not enforce it).

When was GLM-4.6 released?

GLM-4.6 was released on September 30, 2025.