Claude Sonnet 4.6 vs GPT-6 Astra
As of Oct 14, 2026, Claude Sonnet 4.6 leads GPT-6 Astra in 2 of 8 shared categories: Reasoning and Long context.
Claude Sonnet 4.6
It used to be. Was SOTA in Long context.
GPT-6 Astra
Yes. SOTA in Math and co-SOTA in Vision.
| Category | Claude Sonnet 4.6 | GPT-6 Astra |
|---|---|---|
| General LLM | #32 · #32 in General LLM Margin 21.768707482993193 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #20 · #20 in Reasoning Margin 14.38356164383562 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #1 · SOTA · Math Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 |
| Science | #50 · #50 in Science Margin — Epoch AI benchmarking hub · Feb 17, 2026 | #2 · #2 in Science Margin — Epoch AI benchmarking hub · Sep 3, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 17, 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 | #41 · #41 in Coding › Web dev Margin 37.38317757009346 LMArena leaderboard dataset · Oct 13, 2026 | #2 · Near-SOTA · Coding › Web dev Margin 0.9345794392523317 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #20 · Was SOTA · Long context Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #23 · Was SOTA · Vision Margin 63.1578947368421 Epoch AI benchmarking hub · Feb 17, 2026 | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 |
| Factuality | #34 · #34 in Factuality Margin 26.11940298507463 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Factuality Margin 19.402985074626883 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #23 · #23 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 17, 2026 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 |
Claude Sonnet 4.6: $6 per 1M blended tokens.
GPT-6 Astra: $20 per 1M blended tokens.
Claude Sonnet 4.6: closed weights.
GPT-6 Astra: closed weights.
General LLM: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in General LLM at #25 against #32.
Reasoning: As of Oct 14, 2026, Claude Sonnet 4.6 leads GPT-6 Astra in Reasoning at #20 against #23.
Science: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in Science at #2 against #50.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in Coding › Web dev at #2 against #41.
Long context: As of Oct 14, 2026, Claude Sonnet 4.6 leads GPT-6 Astra in Long context at #20 against #22.
Vision: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in Vision at #1 against #23.
Factuality: As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in Factuality at #25 against #34.
Abstraction (ARC): As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in Abstraction (ARC) at #1 against #23.
Claude Sonnet 4.6 · GPT-6 Astra
Claude Sonnet 4.6 or GPT-6 Astra?
As of Oct 14, 2026, Claude Sonnet 4.6 leads GPT-6 Astra in 2 of 8 shared categories: Reasoning and Long context.
Claude Sonnet 4.6 or GPT-6 Astra for General LLM?
As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in General LLM at #25 against #32.
Claude Sonnet 4.6 or GPT-6 Astra for Reasoning?
As of Oct 14, 2026, Claude Sonnet 4.6 leads GPT-6 Astra in Reasoning at #20 against #23.
Claude Sonnet 4.6 or GPT-6 Astra for Science?
As of Oct 14, 2026, GPT-6 Astra leads Claude Sonnet 4.6 in Science at #2 against #50.