GPT-5.6 Terra vs GPT-5 Mini
As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
GPT-5.6 Terra
#4 Best recorded rank: #4 in Abstraction (ARC), as of Oct 15, 2026.
GPT-5 Mini
It used to be. Was SOTA in Math.
| Category | GPT-5.6 Terra | GPT-5 Mini |
|---|---|---|
| General LLM | #44 · #44 in General LLM Margin 23.40425531914893 LMArena leaderboard dataset · Oct 13, 2026 | #165 · #165 in General LLM Margin 87.76595744680851 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #41 · #41 in Reasoning Margin 22.34042553191489 LMArena leaderboard dataset · Oct 13, 2026 | #169 · #169 in Reasoning Margin 90.42553191489361 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · Math Margin 44.44444444444444 Epoch AI benchmarking hub · Aug 7, 2025 |
| Science | #15 · #15 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #81 · #81 in Science Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
| Coding | #13 · #13 in Coding Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #13 · #13 in Coding › Agentic Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #44 · #44 in Coding › Web dev Margin 34.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #54 · #54 in Long context Margin 28.723404255319153 LMArena leaderboard dataset · Oct 13, 2026 | #187 · #187 in Long context Margin 99.46808510638297 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #11 · #11 in Vision Margin 31.578947368421055 Epoch AI benchmarking hub · Jul 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #28 · #28 in Factuality Margin 16.860465116279073 LMArena leaderboard dataset · Oct 13, 2026 | #146 · #146 in Factuality Margin 85.46511627906978 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #4 · #4 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #41 · #41 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
GPT-5.6 Terra: $4.5 per 1M blended tokens.
GPT-5 Mini: $0.6875 per 1M blended tokens.
GPT-5.6 Terra: closed weights.
GPT-5 Mini: closed weights.
General LLM: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in General LLM at #44 against #165.
Reasoning: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Reasoning at #41 against #169.
Science: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Science at #15 against #81.
Long context: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Long context at #54 against #187.
Factuality: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Factuality at #28 against #146.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Abstraction (ARC) at #4 against #41.
GPT-5.6 Terra or GPT-5 Mini?
As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
GPT-5.6 Terra or GPT-5 Mini for General LLM?
As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in General LLM at #44 against #165.
GPT-5.6 Terra or GPT-5 Mini for Reasoning?
As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Reasoning at #41 against #169.
GPT-5.6 Terra or GPT-5 Mini for Science?
As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Science at #15 against #81.