Z.ai · Model identity
GLM 5.3
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
2pricing routes
What published route metadata supports
CachingHugging FaceReasoningStructured outputTool use
Input modalities
Text
Supported API parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-08-18
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare GLM 5.3 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | z-ai/glm-5.3 | $0.07 | $0.05 | $4.8 | 1.05M | OpenRouter API ↗ |
| OpenRouterBatch | z-ai/glm-5.3:batch | $0.45 | $0.1 | $2 | 1.05M | OpenRouter API ↗ |
Hugging Face references
Presence of a Hugging Face ID is not treated as proof that model weights are open.
23 verified price changes since Aug 26, 2026
1 route availability change recorded. No earlier prices are inferred.
Input / 1M$0.07Aug 26, 2026 → Oct 11, 2026
Output / 1M$4.8Aug 26, 2026 → Oct 9, 2026
- Oct 11, 2026OpenRouter · Standard
Input $0.04 → $0.07 · Cached input $0.039 → $0.05
- Oct 9, 2026OpenRouter · Standard
Output $3.6 → $4.8
- Oct 9, 2026OpenRouter · Standard
Output $4.8 → $3.6
- Oct 9, 2026OpenRouter · Standard
Input $0.07 → $0.04 · Cached input $0.065 → $0.039 · Output $7 → $4.8
- Oct 6, 2026OpenRouter · Standard
Input $0.05 → $0.07 · Cached input $0.045 → $0.065
- Oct 5, 2026OpenRouter · Standard
Input $1.4 → $0.05 · Cached input $0.14 → $0.045 · Output $4.4 → $7