GPT-6 Astra vs O3 Mini
As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in 4 of 5 shared categories: Reasoning, Science, Long context, and Abstraction (ARC).
| Category | GPT-6 Astra | O3 Mini |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #1 · SOTA · Math Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #2 · #2 in Science Margin — Epoch AI benchmarking hub · Sep 3, 2026 | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Coding | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #2 · Near-SOTA · Coding › Agentic Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #2 · Near-SOTA · Coding › Web dev Margin 0.9345794392523317 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 | — |
| Factuality | #25 · #25 in Factuality Margin 19.402985074626883 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
GPT-6 Astra: $20 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
GPT-6 Astra: closed weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads GPT-6 Astra in General LLM at #7 against #25.
Reasoning: As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in Reasoning at #23 against #133.
Science: As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in Science at #2 against #76.
Long context: As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in Long context at #22 against #145.
Abstraction (ARC): As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in Abstraction (ARC) at #1 against #51.
GPT-6 Astra or O3 Mini?
As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in 4 of 5 shared categories: Reasoning, Science, Long context, and Abstraction (ARC).
GPT-6 Astra or O3 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads GPT-6 Astra in General LLM at #7 against #25.
GPT-6 Astra or O3 Mini for Reasoning?
As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in Reasoning at #23 against #133.
GPT-6 Astra or O3 Mini for Science?
As of Oct 14, 2026, GPT-6 Astra leads O3 Mini in Science at #2 against #76.