Meta: Muse Spark 1.2 vs Thinking Machines: Inkling

For a sample job of 1 million input tokens and 250,000 output tokens, Inkling costs $2.01 and Muse Spark 1.2 costs $2.31, so Inkling is slightly cheaper for the same work.

Muse Spark 1.2 reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 786 pages for Inkling.

Only Muse Spark 1.2 offers structured output and video input; only Inkling offers audio input.

Across the 18 tasks where they differ, Muse Spark 1.2 scores higher on 13 (SQL Generation, Code Review, Code Refactoring and others), Inkling on 5 (Code Completion, Code Documentation, Regex Writing and others).

Muse Spark 1.2 was released in August 2026 and Inkling in July 2026.

Pick Muse Spark 1.2 if you need long documents, structured output, video input or the stronger all-round task scores; pick Inkling if you need lower cost or audio input.

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