# GPT-5.5 Instant vs Kimi K3

As of Oct 15, 2026, GPT-5.5 Instant leads Kimi K3 in 0 of 5 shared categories.

GPT-5.5 Instant: price per 1M tokens is unset in the catalog.

Kimi K3: $4.109999999999999 per 1M blended tokens.

GPT-5.5 Instant: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads GPT-5.5 Instant in General LLM at #13 against #31.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads GPT-5.5 Instant in Reasoning at #7 against #33.
- Which to pick, Science: As of Oct 15, 2026, Kimi K3 leads GPT-5.5 Instant in Science at #17 against #65.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads GPT-5.5 Instant in Long context at #8 against #39.
- Which to pick, Factuality: As of Oct 15, 2026, Kimi K3 leads GPT-5.5 Instant in Factuality at #19 against #64.

As of Oct 15, 2026, GPT-5.5 Instant is ranked #31 in General LLM (since Oct 15, 2026; sources LMArena Text (style-controlled, overall); 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).