# GPT-6 Astra vs Kimi K2 5 Instant

As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Instant 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 Instant: price per 1M tokens is unset in the catalog.

GPT-6 Astra: closed weights.

Kimi K2 5 Instant: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Instant in General LLM at #26 against #103.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Reasoning at #24 against #89.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Coding › Web dev at #2 against #77.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Long context at #25 against #95.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Factuality at #29 against #107.

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 Instant is ranked #77 in Coding › Web dev (since Oct 15, 2026; sources LMArena WebDev; methodology v1.0).