# GPT-5 Mini vs O3 Mini

As of Oct 15, 2026, GPT-5 Mini leads O3 Mini in 2 of 5 shared categories: Reasoning and Abstraction (ARC).

GPT-5 Mini: $0.6875 per 1M blended tokens.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

GPT-5 Mini: closed weights.

O3 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, O3 Mini leads GPT-5 Mini in General LLM at #10 against #165.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5 Mini leads O3 Mini in Reasoning at #169 against #172.
- Which to pick, Science: As of Oct 15, 2026, O3 Mini leads GPT-5 Mini in Science at #76 against #81.
- Which to pick, Long context: As of Oct 15, 2026, O3 Mini leads GPT-5 Mini in Long context at #186 against #187.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5 Mini leads O3 Mini in Abstraction (ARC) at #41 against #51.

As of Oct 15, 2026, GPT-5 Mini is a former state-of-the-art holder in Math (since Sep 29, 2025; sources Humanity's Last Exam; 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).