GPT-4O Mini vs Grok 4.5
As of Oct 15, 2026, GPT-4O Mini leads Grok 4.5 in 1 of 2 shared categories: General LLM.
GPT-4O Mini
#9 Best recorded rank: #9 in General LLM, as of Oct 15, 2026.
Grok 4.5
#14 Best recorded rank: #14 in Science, as of Oct 15, 2026.
| Category | GPT-4O Mini | Grok 4.5 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 15, 2024 | #36 · #36 in General LLM Margin 24.48979591836735 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 | #37 · #37 in Reasoning Margin 26.027397260273972 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #161 · #161 in Science Margin — Epoch AI benchmarking hub · Jul 18, 2024 | #14 · #14 in Science Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 27, 2024 | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #34 · #34 in Coding › Web dev Margin 30.8411214953271 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #35 · #35 in Long context Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 8, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 | #26 · #26 in Factuality Margin 20.14925373134328 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #21 · #21 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
GPT-4O Mini: $0.26249999999999996 per 1M blended tokens.
Grok 4.5: $3 per 1M blended tokens.
GPT-4O Mini: closed weights.
Grok 4.5: closed weights.
General LLM: As of Oct 15, 2026, GPT-4O Mini leads Grok 4.5 in General LLM at #9 against #36.
Science: As of Oct 15, 2026, Grok 4.5 leads GPT-4O Mini in Science at #14 against #161.
GPT-4O Mini or Grok 4.5?
As of Oct 15, 2026, GPT-4O Mini leads Grok 4.5 in 1 of 2 shared categories: General LLM.
GPT-4O Mini or Grok 4.5 for General LLM?
As of Oct 15, 2026, GPT-4O Mini leads Grok 4.5 in General LLM at #9 against #36.
GPT-4O Mini or Grok 4.5 for Science?
As of Oct 15, 2026, Grok 4.5 leads GPT-4O Mini in Science at #14 against #161.