# GPT-6 Astra vs Grok 4.6

As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in 10 of 10 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).

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

Grok 4.6: $3 per 1M blended tokens.

GPT-6 Astra: closed weights.

Grok 4.6: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in General LLM at #26 against #61.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Reasoning at #24 against #55.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Science at #2 against #10.
- Which to pick, Coding: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Coding at #2 against #14.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Coding › Agentic at #2 against #14.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Coding › Web dev at #2 against #22.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Long context at #25 against #48.
- Which to pick, Vision: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Vision at #1 against #24.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Factuality at #29 against #62.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads Grok 4.6 in Abstraction (ARC) at #1 against #20.

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, Grok 4.6 is ranked #10 in Science (since Oct 15, 2026; sources GPQA Diamond; methodology v1.0).