# GPT-5.6 Luna vs Muse Spark 1.3

As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in 2 of 8 shared categories: Coding and Coding › Agentic.

GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.

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

GPT-5.6 Luna: closed weights.

Muse Spark 1.3: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in General LLM at #9 against #53.
- Which to pick, Reasoning: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Reasoning at #8 against #55.
- Which to pick, Coding: As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in Coding at #16 against #18.
- Which to pick, Coding › Agentic: As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in Coding › Agentic at #16 against #18.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Coding › Web dev at #10 against #43.
- Which to pick, Long context: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Long context at #15 against #65.
- Which to pick, Vision: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Vision at #8 against #19.
- Which to pick, Factuality: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Factuality at #11 against #35.

As of Oct 14, 2026, GPT-5.6 Luna is ranked #16 in Coding (since Oct 14, 2026; sources Terminal-Bench 4.0; methodology v1.0).

As of Oct 14, 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).