# GPT-5.6 Terra vs Muse Spark 1.3

As of Oct 15, 2026, GPT-5.6 Terra leads Muse Spark 1.3 in 2 of 8 shared categories: Coding and Coding › Agentic.

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

Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.

GPT-5.6 Terra: closed weights.

Muse Spark 1.3: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.6 Terra in General LLM at #9 against #35.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.6 Terra in Reasoning at #8 against #35.
- Which to pick, Coding: As of Oct 15, 2026, GPT-5.6 Terra leads Muse Spark 1.3 in Coding at #13 against #18.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GPT-5.6 Terra leads Muse Spark 1.3 in Coding › Agentic at #13 against #18.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.6 Terra in Coding › Web dev at #10 against #42.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.6 Terra in Long context at #15 against #46.
- Which to pick, Vision: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.6 Terra in Vision at #8 against #11.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.6 Terra in Factuality at #11 against #24.

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 1.3 is state of the art on best per dollar in Coding › Web dev (since Oct 14, 2026; sources LMArena WebDev; methodology v1.0).