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Compare · 2026-10-15

Claude Sonnet 4 vs GPT-6 Astra

As of Oct 15, 2026, Claude Sonnet 4 leads GPT-6 Astra in 0 of 6 shared categories.

CategoryClaude Sonnet 4GPT-6 Astra
General LLM
#163 · #163 in General LLM
Margin 86.70212765957447
LMArena leaderboard dataset · Oct 13, 2026
#26 · #26 in General LLM
Margin 13.829787234042556
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#149 · #149 in Reasoning
Margin 79.7872340425532
LMArena leaderboard dataset · Oct 13, 2026
#24 · #24 in Reasoning
Margin 13.297872340425528
LMArena leaderboard dataset · Oct 13, 2026
Math
#35 · #35 in Math
Margin 77.77777777777777
Epoch AI benchmarking hub · May 22, 2025
#1 · SOTA · Math
Margin 0
Epoch AI benchmarking hub · Sep 3, 2026
Science
#97 · #97 in Science
Margin —
Epoch AI benchmarking hub · May 22, 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
#123 · #123 in Long context
Margin 65.42553191489361
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)
#67 · #67 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · May 22, 2025
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 3, 2026
Price per 1M tokens

Claude Sonnet 4: $6 per 1M blended tokens.

GPT-6 Astra: $20 per 1M blended tokens.

Open weights

Claude Sonnet 4: closed weights.

GPT-6 Astra: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in General LLM at #26 against #163.

Reasoning: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Reasoning at #24 against #149.

Math: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Math at #1 against #35.

Science: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Science at #2 against #97.

Long context: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Long context at #25 against #123.

Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Abstraction (ARC) at #1 against #67.

Claude Sonnet 4 · GPT-6 Astra

Claude Sonnet 4 or GPT-6 Astra?

As of Oct 15, 2026, Claude Sonnet 4 leads GPT-6 Astra in 0 of 6 shared categories.

Claude Sonnet 4 or GPT-6 Astra for General LLM?

As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in General LLM at #26 against #163.

Claude Sonnet 4 or GPT-6 Astra for Reasoning?

As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Reasoning at #24 against #149.

Claude Sonnet 4 or GPT-6 Astra for Math?

As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Math at #1 against #35.