Meta: Muse Spark 1.2 vs Thinking Machines: Inkling Small

For a sample job of 1 million input tokens and 250,000 output tokens, Inkling Small costs $0.75 and Muse Spark 1.2 costs $2.31, so Inkling Small is about 3.1 times 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 Small.

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

Across the 19 tasks where they differ, Muse Spark 1.2 scores higher on 12 (SQL Generation, Code Review, Code Refactoring and others), Inkling Small on 7 (Code Completion, Code Documentation, Regex Writing and others).

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

Pick Muse Spark 1.2 if you need long documents, structured output or video input; pick Inkling Small 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.