GLM 5.3 on Fireworks

GLM 5.3 is a Fireworks model available in Sim. GLM 5.3 is a Fireworks model tracked in Sim. It supports a 1.04M token context window. Pricing starts at $1.4/1M input tokens and $4.4/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs.

GLM 5.3 starts at $1.4/1M input tokens, $0.26/1M cached input tokens, and $4.4/1M output tokens.

GLM 5.3 supports a context window of 1.04M tokens in Sim. In an agent, this determines how much conversation history, tool outputs, and retrieved documents the model can hold in a single call.

GLM 5.3 supports the following capabilities in Sim: Temperature 0-2, Tool choice, Structured outputs, Max output 1.04M.

Best for long-context retrieval, large documents, and high-memory workflows. When used in a Sim workflow, it can be selected in any Agent block from the model picker.