# Grok 4.3 vs O3 Mini

As of Oct 14, 2026, Grok 4.3 leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.

Grok 4.3: $1.5625000000000002 per 1M blended tokens.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Grok 4.3: closed weights.

O3 Mini: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, O3 Mini leads Grok 4.3 in General LLM at #7 against #67.
- Which to pick, Reasoning: As of Oct 14, 2026, Grok 4.3 leads O3 Mini in Reasoning at #75 against #133.
- Which to pick, Science: As of Oct 14, 2026, Grok 4.3 leads O3 Mini in Science at #41 against #76.
- Which to pick, Long context: As of Oct 14, 2026, Grok 4.3 leads O3 Mini in Long context at #77 against #145.

As of Oct 14, 2026, Grok 4.3 is ranked #32 in Vision (since Oct 14, 2026; sources GDP.pdf; methodology v1.0).

As of Oct 14, 2026, O3 Mini is a former state-of-the-art holder in Reasoning (since Feb 9, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).