GLM 5.3 Prime
by Z.ai (Zhipu AI)Chat
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
- 1M tokens
- Max output
- 131,072 tokens
- Released
- 2026-09-23
- Weights
- Closed
zhipuai/glm-5-3-prime · also seen as z-ai/glm-5.3-prime, z-ai/glm-5.3-prime-20260921
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-09-23
- Weights
- Closed
- Input
- Text
- Output
- Text
- Context window
- 1,000,000 max across endpoints
- Max output
- 131,072
- Providers
- 1 + 2 gateways, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $2.80 in · $8.80 out per 1M tokens · from its one provider
More details
- Last updated
- 2026-09-23
- Knowledge cutoff
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
No change since 19 Oct 2026. The cheapest direct price has been $2.80 in / $8.80 out per 1M tokens at Alibaba on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs GLM 5.3 Prime |
|---|---|---|---|---|---|
| GPT-5.2 ChatOpenAI | $3.79 | $1.75 | $14 | 128K | −0% cheaper |
| GPT-5.2 CodexOpenAI | $3.79 | $1.75 | $14 | 400K | −0% cheaper |
| GPT-5.3 ChatOpenAI | $3.79 | $1.75 | $14 | 128K | −0% cheaper |
| GPT-5.3 CodexOpenAI | $3.79 | $1.75 | $14 | 400K | −0% cheaper |
| GPT-5.3 Codex SparkOpenAI | $3.79 | $1.75 | $14 | 128K | −0% cheaper |
| Command ACohere | $3.75 | $2.50 | $10 | 256K | −1% cheaper |
| Command A PlusCohere | $3.75 | $2.50 | $10 | 128K | −1% cheaper |
| Command A ReasoningCohere | $3.75 | $2.50 | $10 | 256K | −1% cheaper |
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