GPT-6 Luna vs O3 Mini
As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in 4 of 5 shared categories: Reasoning, Science, Long context, and Abstraction (ARC).
GPT-6 Luna
Yes. Yes on Coding (best per dollar); Coding › Agentic (best per dollar). Not the overall leader.
O3 Mini
It used to be. Was SOTA in Reasoning.
| Category | GPT-6 Luna | O3 Mini |
|---|---|---|
| General LLM | #65 · #65 in General LLM Margin 44.21768707482993 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #61 · #61 in Reasoning Margin 42.465753424657535 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #33 · #33 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Coding | #17 · #17 in Coding Margin 81.81818181818181 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #17 · #17 in Coding › Agentic Margin 81.81818181818181 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #29 · #29 in Coding › Web dev Margin 26.168224299065415 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #61 · #61 in Long context Margin 41.49659863945578 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #17 · #17 in Vision Margin 47.36842105263158 Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Factuality | #39 · #39 in Factuality Margin 29.85074626865672 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | #22 · #22 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
GPT-6 Luna: $0.19999999999999998 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
GPT-6 Luna: closed weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads GPT-6 Luna in General LLM at #7 against #65.
Reasoning: As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in Reasoning at #61 against #133.
Science: As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in Science at #33 against #76.
Long context: As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in Long context at #61 against #145.
Abstraction (ARC): As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in Abstraction (ARC) at #22 against #51.
GPT-6 Luna or O3 Mini?
As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in 4 of 5 shared categories: Reasoning, Science, Long context, and Abstraction (ARC).
GPT-6 Luna or O3 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads GPT-6 Luna in General LLM at #7 against #65.
GPT-6 Luna or O3 Mini for Reasoning?
As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in Reasoning at #61 against #133.
GPT-6 Luna or O3 Mini for Science?
As of Oct 14, 2026, GPT-6 Luna leads O3 Mini in Science at #33 against #76.