GPT-6 Astra vs Grok 4.5
As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in 10 of 10 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).
GPT-6 Astra
Yes. SOTA in Math and Vision (tied).
Grok 4.5
#14 Best recorded rank: #14 in Science, as of Oct 15, 2026.
| Category | GPT-6 Astra | Grok 4.5 |
|---|---|---|
| General LLM | #26 · #26 in General LLM Margin 13.829787234042556 LMArena leaderboard dataset · Oct 13, 2026 | #45 · #45 in General LLM Margin 23.93617021276596 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #24 · #24 in Reasoning Margin 13.297872340425528 LMArena leaderboard dataset · Oct 13, 2026 | #44 · #44 in Reasoning Margin 23.93617021276596 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 | #14 · #14 in Science Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
| Coding | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #2 · Near-SOTA · Coding › Agentic Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #2 · Near-SOTA · Coding › Web dev Margin 0.7999999999999972 LMArena leaderboard dataset · Oct 13, 2026 | #36 · #36 in Coding › Web dev Margin 28 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #25 · #25 in Long context Margin 13.297872340425528 LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Long context Margin 21.808510638297875 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 8, 2026 |
| Factuality | #29 · #29 in Factuality Margin 17.441860465116278 LMArena leaderboard dataset · Oct 13, 2026 | #30 · #30 in Factuality Margin 18.023255813953483 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 | #21 · #21 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
GPT-6 Astra: $20 per 1M blended tokens.
Grok 4.5: $3 per 1M blended tokens.
GPT-6 Astra: closed weights.
Grok 4.5: closed weights.
General LLM: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in General LLM at #26 against #45.
Reasoning: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Reasoning at #24 against #44.
Science: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Science at #2 against #14.
Coding: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Coding at #2 against #19.
Coding › Agentic: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Coding › Agentic at #2 against #19.
Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Coding › Web dev at #2 against #36.
Long context: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Long context at #25 against #41.
Vision: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Vision at #1 against #29.
Factuality: As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Factuality at #29 against #30.
Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Abstraction (ARC) at #1 against #21.
GPT-6 Astra or Grok 4.5?
As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in 10 of 10 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).
GPT-6 Astra or Grok 4.5 for General LLM?
As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in General LLM at #26 against #45.
GPT-6 Astra or Grok 4.5 for Reasoning?
As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Reasoning at #24 against #44.
GPT-6 Astra or Grok 4.5 for Science?
As of Oct 15, 2026, GPT-6 Astra leads Grok 4.5 in Science at #2 against #14.