The Orchestrator › Models › Z.ai
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...
Specifications
| Provider | Z.ai |
| Model ID | z-ai/glm-5.3-prime |
| Context window | 1M tokens (1,000,000) |
| Modalities | text → text |
| Tokenizer | Other |
| Router sources | OpenRouter |
| Released | 2026-09-23 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | Mandatory |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | z-ai/glm-5.3-prime | $2.80 | $8.80 | 1M |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $2.80 | $8.80 | 1M |
Capabilities
Agentic tool useStructured outputsReasoning (always on)1M+ context windowControllable reasoning
Supported parameters
frequency_penalty, include_reasoning, logprobs, max_tokens, presence_penalty, reasoning, reasoning_effort, response_format, seed, stop, temperature, tool_choice, tools, top_k, top_logprobs, top_p