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GLM-5.3
glm-5.3
CHAT
High tier
Reasoning
Open-weight
GLM-5.3 (glm-5.3) is a chat model from zai with a 1M-token context window; open-weight; capabilities tools, reasoning; input text; output text.
1MContext
128KMax output
$1.4$ / 1M in
Pricing
- Input
- $1.4 / 1M tokens
- Output
- $4.4 / 1M tokens
- Currency
- USD
- Note
- Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-10-30.
Specifications
- Context window
- 1,000,000 tokens (1M)
- Max output
- 128,000 tokens
- Weights
- Open-weight
- Input modalities
- text
- Output modalities
- text
- Release date
- 2026-08-14
Capabilities
tools reasoning
Provenance
litellmmodels-dev
Last verified: 2026-10-30
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