GLM 4.5 Flash

Zai

A completely free GLM model with strong reasoning, coding, and agent capabilities. Despite being free, it delivers impressive performance suitable for a wide range of tasks including development workflows, agent applications, and general reasoning. With 200K context and thinking support, it provides substantial capability at zero cost - perfect for experimentation, prototyping, and budget-sensitive production use.

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Capabilities

Thinking

Tool Use

Technical Specifications

Context Window

200,000 tokens

Max Output

96,000 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$0

Non-Reasoning Output

$0

Tool Costs (per 1K calls)

Web Search

$15

Code Execution

$0.19

Legacy

Made legacy on

Reason

Superseded by GLM 5

Recommended Replacement

GLM 5.1