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AI Atlas
ModelActiveOpen weights

GLM 5.3

Z.ai (Zhipu AI)huggingface.co/zai-org/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...

Updated 19 min ago · first seen 11 Sept 2026

model_01M294AJ5462DT6GQKJAGHX7FP

Parameters
753.3B
T2 · 21 min ago
Context
1.31M tokens
T2 · 23 min ago
Released
18 Aug 2026
T2 · 23 min ago

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Supported parameters

1 claims · 1 propertiesShow all properties

Supported parameterssupported_parameters1

Claim history for Supported parameters
ValueValid from → toStatusSourceConfidenceExtractor
frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, parallel_tool_calls, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_pcurrentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →