# GPT-6 Astra vs Muse Spark 1.3

As of Oct 15, 2026, GPT-6 Astra leads Muse Spark 1.3 in 4 of 8 shared categories: Coding, Coding › Agentic, Coding › Web dev, and Vision.

GPT-6 Astra: $20 per 1M blended tokens.

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

GPT-6 Astra: closed weights.

Muse Spark 1.3: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-6 Astra in General LLM at #9 against #26.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-6 Astra in Reasoning at #8 against #24.
- Which to pick, Coding: As of Oct 15, 2026, GPT-6 Astra leads Muse Spark 1.3 in Coding at #2 against #18.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GPT-6 Astra leads Muse Spark 1.3 in Coding › Agentic at #2 against #18.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads Muse Spark 1.3 in Coding › Web dev at #2 against #11.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-6 Astra in Long context at #15 against #25.
- Which to pick, Vision: As of Oct 15, 2026, GPT-6 Astra leads Muse Spark 1.3 in Vision at #1 against #8.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-6 Astra in Factuality at #12 against #29.

As of Oct 15, 2026, GPT-6 Astra is state of the art in Math (since Sep 28, 2026; sources Humanity's Last Exam; 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).