z-ai

Z.ai: GLM 5

Z.ai: GLM 5 is designed to handle text inputs within an expansive context length of 204800 tokens and supports both reasoning and tool integration, making it suitable for complex tasks that require multiple steps or external data access. This model can process information comprehensively but does not offer structured output, which might be a consideration depending on your needs. Given its blended benchmark score of 76.2 across two independent benchmarks, Z.ai: GLM 5 demonstrates solid performance in both AI indexing and EQbench. At a pricing point of $0.95 per million input tokens and $2.55 per million output tokens, it offers a competitive price for businesses requiring robust text processing capabilities. While its benchmark coverage is moderate at two independent benchmarks, this model could be a strong contender for those prioritizing cost-effectiveness in their AI solution.

Quality Score
98/100
price + capability + benchmarks
Input Price
$0.95
per 1M tokens
Output Price
$2.55
per 1M tokens
Context Window
204,800
tokens

Benchmark results

Independent, published benchmarks. Blended score 76.2 across 2 benchmarks, last refreshed 2026-07-25. How scoring works →

BenchmarkMeasuresScore
AI Index broad capability composite 65.2
EQ-Bench emotional understanding in dialogue 75.0
Model ID
z-ai/glm-5
Vendor
z-ai
Released
February 2026
Tokenizer
Other
Input Modalities
text
Output Modalities
text
Max Output
131,072 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
text only
Audio
no
Moderated
no

What it costs in practice

Computed from the current $0.95/M input and $2.55/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.03
Classify 1,000 customer emails 500k in / 50k out $0.60
A month of a busy support chatbot 5M in / 2M out $9.85

Price & spec history

Tracked daily by PicksByModel since 2026-07-17.

DateInput /MOutput /MContext
2026-07-20 $0.95 $2.55 204,800
2026-07-17 $0.95 $3.15 202,752

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Quick answers

How much does Z.ai: GLM 5 cost?
$0.95 per million input tokens and $2.55 per million output tokens.
What is Z.ai: GLM 5's context window?
204,800 tokens, roughly 307 pages of text in a single request.
Does Z.ai: GLM 5 support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can Z.ai: GLM 5 process images?
No, it is text-only on the input side.