Z.ai: GLM 5.3 Flash (batch) vs Meta: Muse Spark 1.2 Contributor

For a sample job of 1 million input tokens and 250,000 output tokens, GLM 5.3 Flash (batch) costs $0.11 and Muse Spark 1.2 Contributor costs $0.15, so GLM 5.3 Flash (batch) is about 1.4 times cheaper for the same work.

Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.

Across the 18 tasks where they differ, GLM 5.3 Flash (batch) scores higher on 18 (SQL Generation, Code Review, Code Completion and others).

Pick GLM 5.3 Flash (batch) if you need lower cost or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.