GPT-4.5 Preview vs GPT-6 Astra
As of Oct 15, 2026, GPT-4.5 Preview leads GPT-6 Astra in 0 of 6 shared categories.
GPT-4.5 Preview
It used to be. Was SOTA in General LLM.
GPT-6 Astra
Yes. SOTA in Math and Vision (tied).
| Category | GPT-4.5 Preview | GPT-6 Astra |
|---|---|---|
| General LLM | #79 · Was SOTA · General LLM Margin 42.02127659574468 LMArena leaderboard dataset · Oct 13, 2026 | #26 · #26 in General LLM Margin 13.829787234042556 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #121 · Was SOTA · Reasoning Margin 64.8936170212766 LMArena leaderboard dataset · Oct 13, 2026 | #24 · #24 in Reasoning Margin 13.297872340425528 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #38 · #38 in Math Margin 84.44444444444444 Epoch AI benchmarking hub · Feb 27, 2025 | #1 · SOTA · Math Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 |
| Science | #92 · #92 in Science Margin — Epoch AI benchmarking hub · Feb 27, 2025 | #2 · #2 in Science Margin — Epoch AI benchmarking hub · Sep 3, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 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 0.7999999999999972 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #93 · Was SOTA · Long context Margin 49.468085106382986 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Long context Margin 13.297872340425528 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 |
| Factuality | — | #29 · #29 in Factuality Margin 17.441860465116278 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #83 · #83 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 27, 2025 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 |
GPT-4.5 Preview: price per 1M tokens is unset in the catalog.
GPT-6 Astra: $20 per 1M blended tokens.
GPT-4.5 Preview: closed weights.
GPT-6 Astra: closed weights.
General LLM: As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in General LLM at #26 against #79.
Reasoning: As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Reasoning at #24 against #121.
Math: As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Math at #1 against #38.
Science: As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Science at #2 against #92.
Long context: As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Long context at #25 against #93.
Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Abstraction (ARC) at #1 against #83.
GPT-4.5 Preview or GPT-6 Astra?
As of Oct 15, 2026, GPT-4.5 Preview leads GPT-6 Astra in 0 of 6 shared categories.
GPT-4.5 Preview or GPT-6 Astra for General LLM?
As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in General LLM at #26 against #79.
GPT-4.5 Preview or GPT-6 Astra for Reasoning?
As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Reasoning at #24 against #121.
GPT-4.5 Preview or GPT-6 Astra for Math?
As of Oct 15, 2026, GPT-6 Astra leads GPT-4.5 Preview in Math at #1 against #38.