Z.AI: GLM 5.3 Prime
z-ai/glm-5.3-prime
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token context window and up to 128K output tokens, and targets coding and agentic workloads, including long-horizon multi-turn agent orchestration, real-time conversation, and streaming code generation.
Model specifications
- Input
- text
- Output
- text
- Context
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Input price
- $1.4 / 1M tokens
- Output price
- $4.4 / 1M tokens
- Released
- 2026-09-24
Capabilities
- Streaming
- Function calling
- Vision
- JSON mode
Provider pricing, discounts and data privacy
Compare effective provider prices, published discounts, regions, retention policies, training use, compliance, and privacy links by service tier.
Standard service tier
1 available provider · discounts up to 50% · tier input average $1.4 / 1M tokens · tier output average $4.4 / 1M tokens
Alibaba Cloud Int.(SG)
Tier: Standard · Region: SG
Pricing
- Input
- $1.4 / 1M tokens
- Output
- $4.4 / 1M tokens
- Cache read
- $0.28 / 1M tokens
Discounts
- Input: 50% off — list $2.8 / 1M tokens, discounted $1.4 / 1M tokens, effective $1.4 / 1M tokens
- Cache read: 50% off — list $0.56 / 1M tokens, discounted $0.28 / 1M tokens, effective $0.28 / 1M tokens
- Output: 50% off — list $8.8 / 1M tokens, discounted $4.4 / 1M tokens, effective $4.4 / 1M tokens
Data privacy and compliance
- Region
- SG
- Zero data retention
- Yes
- Data retention
- 30-day retention
- Used for training
- No
- Data collection
- Moderated
- No
- GDPR compliant
- Yes
- HIPAA compliant
- No
- SOC 2 certified
- Yes
- BYOK supported
- Yes
Privacy policy · Terms · Official website · Documentation · Status · Support
Frequently asked questions
- What is Z.AI: GLM 5.3 Prime?
- GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token context window and up to 128K output tokens, and targets coding and agentic workloads, including long-horizon multi-turn agent orchestration, real-time conversation, and streaming code generation.
- How much does Z.AI: GLM 5.3 Prime cost?
- Input costs start at $1.4 / 1M tokens and output costs start at $4.4 / 1M tokens. Provider-level prices vary by service tier.
- Are provider discounts available for Z.AI: GLM 5.3 Prime?
- Yes. Current provider offers include discounts of up to 50% from list price. The provider table shows list, discounted, and effective prices.
- What is the context length of Z.AI: GLM 5.3 Prime?
- Z.AI: GLM 5.3 Prime supports a 1,000,000 token context window and up to 128,000 output tokens.
- What capabilities does Z.AI: GLM 5.3 Prime support?
- Z.AI: GLM 5.3 Prime supports Streaming, Function calling, Vision, JSON mode.
- Which providers offer Z.AI: GLM 5.3 Prime?
- Z.AI: GLM 5.3 Prime is available from Alibaba Cloud Int.(SG).
- How do providers handle data privacy for Z.AI: GLM 5.3 Prime?
- 1 of 1 providers report that customer data is not used for training, and 1 offer zero-data-retention routing. Retention, compliance, and privacy-policy links are listed per provider.