Claude Sonnet 4.5 vs GPT-6 Astra
As of Oct 14, 2026, Claude Sonnet 4.5 leads GPT-6 Astra in 0 of 8 shared categories.
Claude Sonnet 4.5
It used to be. Was SOTA in General LLM.
GPT-6 Astra
Yes. SOTA in Math and co-SOTA in Vision.
| Category | Claude Sonnet 4.5 | GPT-6 Astra |
|---|---|---|
| General LLM | #49 · Was SOTA · General LLM Margin 33.33333333333333 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #40 · Was SOTA · Reasoning Margin 28.082191780821915 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #25 · #25 in Math Margin 53.333333333333336 Epoch AI benchmarking hub · Sep 29, 2025 | #1 · SOTA · Math Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 |
| Science | #82 · #82 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #2 · #2 in Science Margin — Epoch AI benchmarking hub · Sep 3, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #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 | #78 · Was SOTA · Coding › Web dev Margin 71.96261682242991 LMArena leaderboard dataset · Oct 13, 2026 | #2 · Near-SOTA · Coding › Web dev Margin 0.9345794392523317 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #29 · Was SOTA · Long context Margin 19.72789115646259 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 |
| Factuality | #50 · #50 in Factuality Margin 38.059701492537314 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Factuality Margin 19.402985074626883 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #66 · #66 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 |
Claude Sonnet 4.5: $6 per 1M blended tokens.
GPT-6 Astra: $20 per 1M blended tokens.
Claude Sonnet 4.5: closed weights.
GPT-6 Astra: closed weights.
General LLM: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in General LLM at #25 against #49.
Reasoning: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Reasoning at #23 against #40.
Math: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Math at #1 against #25.
Science: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Science at #2 against #82.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Coding › Web dev at #2 against #78.
Long context: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Long context at #22 against #29.
Factuality: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Factuality at #25 against #50.
Abstraction (ARC): As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Abstraction (ARC) at #1 against #66.
Claude Sonnet 4.5 · GPT-6 Astra
Claude Sonnet 4.5 or GPT-6 Astra?
As of Oct 14, 2026, Claude Sonnet 4.5 leads GPT-6 Astra in 0 of 8 shared categories.
Claude Sonnet 4.5 or GPT-6 Astra for General LLM?
As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in General LLM at #25 against #49.
Claude Sonnet 4.5 or GPT-6 Astra for Reasoning?
As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Reasoning at #23 against #40.
Claude Sonnet 4.5 or GPT-6 Astra for Math?
As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.5 in Math at #1 against #25.