# GPT-6 Astra vs Kimi K2 5 Thinking

As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

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

Kimi K2 5 Thinking: price per 1M tokens is unset in the catalog.

GPT-6 Astra: closed weights.

Kimi K2 5 Thinking: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in General LLM at #26 against #70.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Reasoning at #24 against #73.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Coding › Web dev at #2 against #67.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Long context at #25 against #69.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Factuality at #29 against #71.

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 K2 5 Thinking is a former state-of-the-art holder in Coding › Web dev (since Mar 4, 2026; sources LMArena WebDev; methodology v1.0).
