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Z AIReleased September 30, 2025

GLM-4.6

Z AI · Released September 30, 2025

Intelligence score

29

At a glance

Intelligence
29
Speed
48.9tokens/sec
Latency
3.24stime to first token
Input price
$0.55per 1M tokens
Output price
$2.20per 1M tokens
Context window
200Ktokens
Parameters
357billions

Summary

Comparison summary

GLM-4.6 (Reasoning) scores 29 on the Artificial Analysis Intelligence Index, placing it above average among other open weight models of similar size (median: 25). GLM-4.6 (Reasoning) generates output at 48.9 tokens per second (based on the median across providers serving the model), which is at the lower end compared to other open weight models of similar size (median: 64.8 t/s). GLM-4.6 (Reasoning) costs $0.55 per 1M input tokens (better than average, median: $0.59) and $2.20 per 1M output tokens (better than average, median: $2.20), based on the median across providers serving the model.

Specifications

Technical specifications

Model nameGLM-4.6
ProviderZ AI
Release dateSeptember 30, 2025
Intelligence score29
Speed48.9 tokens/sec
Latency (TTFT)3.24s
Input price$0.55 / 1M tokens
Output price$2.20 / 1M tokens
Context window200,000 tokens
Parameters357B
ReasoningYes
Input modalitiestext
Output modalities—
Open weightsYes
LicenseMIT
API availability—
SourceModel Intelligence legacy profile: glm-4-6-reasoning

Pricing

Token prices

Price per 1M tokens

GLM-4.6, as listed in the catalog record

Input $0.55 and output $2.20 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$0.55
  2. Output$2.20

Model Intelligence legacy profile: glm-4-6-reasoning

FAQ · 21

Frequently asked questions

GLM-4.6 (Reasoning) was released on September 30, 2025.

GLM-4.6 (Reasoning) was created by Z AI.

GLM-4.6 (Reasoning) scores 29 on the Artificial Analysis Intelligence Index, placing it above average among other open weight models of similar size (median: 25).

GLM-4.6 (Reasoning) generates output at 48.9 tokens per second (based on the median across providers serving the model), which is at the lower end compared to other open weight models of similar size (median: 64.8 t/s).

GLM-4.6 (Reasoning) has a time to first token (TTFT) of 3.24s (based on the median across providers serving the model), which is at the higher end compared to other open weight models of similar size (median: 2.03s).

GLM-4.6 (Reasoning) costs $0.55 per 1M input tokens (better than average, median: $0.59) and $2.20 per 1M output tokens (better than average, median: $2.20), based on the median across providers serving the model.

GLM-4.6 (Reasoning) costs $0.55 per 1M input tokens and $2.20 per 1M output tokens (based on the median across providers serving the model). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.72 per 1M tokens. Pricing may vary by provider.

When evaluated on the Intelligence Index, GLM-4.6 (Reasoning) generated 61M output tokens, which is very competitive compared to other open weight models of similar size (median: 92M).

Yes, GLM-4.6 (Reasoning) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

GLM-4.6 (Reasoning) supports text input.

GLM-4.6 (Reasoning) supports text output.

No, GLM-4.6 (Reasoning) does not support image input. It can only process text.

No, GLM-4.6 (Reasoning) is not multimodal. It only supports text input.

GLM-4.6 (Reasoning) has a context window of 200k tokens. This determines how much text and conversation history the model can process in a single request.

Yes, GLM-4.6 (Reasoning) is open weights. The model weights are publicly available and can be downloaded for self-hosting.

GLM-4.6 (Reasoning) has 357 billion parameters (32 billion active).

GLM-4.6 (Reasoning) is a Mixture of Experts (MoE) model with 357 billion total parameters, but only 32 billion active parameters are used during inference.

GLM-4.6 (Reasoning) is released under the MIT license. This license allows commercial use.

GLM-4.6 (Reasoning) achieves a score of 29 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Yes, GLM-4.6 (Reasoning) is available via API through 3 providers.

GLM-4.6 (Reasoning) is available through 3 API providers.