Gemini 3 Pro vs GPT-5.6 Luna
As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in 4 of 5 shared categories: General LLM, Reasoning, Long context, and Factuality.
Gemini 3 Pro
It used to be. Was SOTA in General LLM.
GPT-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 15, 2026.
| Category | Gemini 3 Pro | GPT-5.6 Luna |
|---|---|---|
| General LLM | #16 · Was SOTA · General LLM Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 | #53 · #53 in General LLM Margin 36.054421768707485 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #22 · Was SOTA · Reasoning Margin 15.753424657534254 LMArena leaderboard dataset · Oct 13, 2026 | #55 · #55 in Reasoning Margin 38.35616438356164 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 | — | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #59 · Was SOTA · Coding › Web dev Margin 54.205607476635514 LMArena leaderboard dataset · Oct 13, 2026 | #43 · #43 in Coding › Web dev Margin 39.25233644859813 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #21 · Was SOTA · Long context Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #65 · #65 in Long context Margin 44.21768707482993 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #10 · Was SOTA · Factuality Margin 8.208955223880594 LMArena leaderboard dataset · Oct 13, 2026 | #35 · #35 in Factuality Margin 26.86567164179104 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #19 · #19 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
Gemini 3 Pro: price per 1M tokens is unset in the catalog.
GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.
Gemini 3 Pro: closed weights.
GPT-5.6 Luna: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in General LLM at #16 against #53.
Reasoning: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in Reasoning at #22 against #55.
Coding › Web dev: As of Oct 15, 2026, GPT-5.6 Luna leads Gemini 3 Pro in Coding › Web dev at #43 against #59.
Long context: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in Long context at #21 against #65.
Factuality: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in Factuality at #10 against #35.
Gemini 3 Pro or GPT-5.6 Luna?
As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in 4 of 5 shared categories: General LLM, Reasoning, Long context, and Factuality.
Gemini 3 Pro or GPT-5.6 Luna for General LLM?
As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in General LLM at #16 against #53.
Gemini 3 Pro or GPT-5.6 Luna for Reasoning?
As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.6 Luna in Reasoning at #22 against #55.
Gemini 3 Pro or GPT-5.6 Luna for Coding › Web dev?
As of Oct 15, 2026, GPT-5.6 Luna leads Gemini 3 Pro in Coding › Web dev at #43 against #59.