# DeepSeek V3.2 Exp Thinking vs O3 Mini

As of Oct 15, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.

DeepSeek V3.2 Exp Thinking: price per 1M tokens is unset in the catalog.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

DeepSeek V3.2 Exp Thinking: open weights.

O3 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, O3 Mini leads DeepSeek V3.2 Exp Thinking in General LLM at #7 against #84.
- Which to pick, Reasoning: As of Oct 15, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in Reasoning at #84 against #133.
- Which to pick, Long context: As of Oct 15, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in Long context at #86 against #145.

As of Oct 15, 2026, DeepSeek V3.2 Exp Thinking is ranked #56 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).

As of Oct 15, 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).