# GPT-6 Astra vs Kimi K3

As of Oct 15, 2026, GPT-6 Astra leads Kimi K3 in 4 of 8 shared categories: Science, Coding › Web dev, Vision, and Abstraction (ARC).

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

Kimi K3: $4.109999999999999 per 1M blended tokens.

GPT-6 Astra: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads GPT-6 Astra in General LLM at #13 against #26.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads GPT-6 Astra in Reasoning at #7 against #24.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Astra leads Kimi K3 in Science at #2 against #17.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads Kimi K3 in Coding › Web dev at #2 against #12.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads GPT-6 Astra in Long context at #8 against #25.
- Which to pick, Vision: As of Oct 15, 2026, GPT-6 Astra leads Kimi K3 in Vision at #1 against #22.
- Which to pick, Factuality: As of Oct 15, 2026, Kimi K3 leads GPT-6 Astra in Factuality at #22 against #29.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads Kimi K3 in Abstraction (ARC) at #1 against #8.

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, Kimi K3 is tied for state of the art in General LLM (since Oct 13, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).