aitoolscoutModels

GLM 5.3

open source

Z.ai model, released 18 Aug 2026.

$1.40

per 1M input tokens

$4.40

per 1M output tokens

$0.14

per 1M cached-read tokens

Calculate what your real prompts cost on GLM 5.3

Price history

input $/1M output $/1M19 Aug 2026 → 2 Oct 2026

Specifications

Lab: Z.ai
Released: 18 Aug 2026
Context window: 1.0M tokens
Max output: 131k tokens
Input modalities: text
Output modalities: text
Knowledge cutoff: —
Open source: Yes

Frequently asked questions

How much does GLM 5.3 cost?

GLM 5.3 costs $1.40 per 1M input tokens and $4.40 per 1M output tokens (list price, updated every 6 hours).

What is GLM 5.3's context window?

GLM 5.3 supports a 1.0M-token context window with up to 131k output tokens.

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