# GPT-4 Turbo vs GPT-5.5 Instant

As of Oct 14, 2026, GPT-4 Turbo leads GPT-5.5 Instant in 1 of 2 shared categories: General LLM.

GPT-4 Turbo: $15.000000000000002 per 1M blended tokens.

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

GPT-4 Turbo: closed weights.

GPT-5.5 Instant: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-4 Turbo leads GPT-5.5 Instant in General LLM at #10 against #31.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.5 Instant leads GPT-4 Turbo in Science at #65 against #139.

As of Oct 14, 2026, GPT-4 Turbo is ranked #10 in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, GPT-5.5 Instant is ranked #31 in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).