# GPT-5.6 Terra vs Muse Spark

As of Oct 15, 2026, GPT-5.6 Terra leads Muse Spark in 1 of 6 shared categories: Science.

GPT-5.6 Terra: $4.5 per 1M blended tokens.

Muse Spark: price per 1M tokens is unset in the catalog.

GPT-5.6 Terra: closed weights.

Muse Spark: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark leads GPT-5.6 Terra in General LLM at #12 against #44.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark leads GPT-5.6 Terra in Reasoning at #17 against #41.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.6 Terra leads Muse Spark in Science at #15 against #37.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark leads GPT-5.6 Terra in Coding › Web dev at #12 against #44.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark leads GPT-5.6 Terra in Long context at #44 against #54.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark leads GPT-5.6 Terra in Factuality at #27 against #28.

As of Oct 15, 2026, GPT-5.6 Terra is ranked #4 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).

As of Oct 15, 2026, Muse Spark is a former state-of-the-art holder in General LLM (since May 18, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).