Compare · 2026-10-14

Claude Opus 4.7 vs Claude Sonnet 4.5

As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in 8 of 8 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).

CategoryClaude Opus 4.7Claude Sonnet 4.5
General LLM
#5 · Near-SOTA · General LLM
Margin 3.401360544217681
LMArena leaderboard dataset · Oct 13, 2026
#49 · Was SOTA · General LLM
Margin 33.33333333333333
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#4 · Near-SOTA · Reasoning
Margin 3.4246575342465775
LMArena leaderboard dataset · Oct 13, 2026
#40 · Was SOTA · Reasoning
Margin 28.082191780821915
LMArena leaderboard dataset · Oct 13, 2026
Math
#10 · #10 in Math
Margin 20
Epoch AI benchmarking hub · Apr 16, 2026
#25 · #25 in Math
Margin 53.333333333333336
Epoch AI benchmarking hub · Sep 29, 2025
Science
#34 · #34 in Science
Margin —
Epoch AI benchmarking hub · Apr 16, 2026
#82 · #82 in Science
Margin —
Epoch AI benchmarking hub · Sep 29, 2025
Coding
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Apr 16, 2026
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Sep 29, 2025
Coding › Web dev
#32 · Was SOTA · Coding › Web dev
Margin 28.971962616822424
LMArena leaderboard dataset · Oct 13, 2026
#78 · Was SOTA · Coding › Web dev
Margin 71.96261682242991
LMArena leaderboard dataset · Oct 13, 2026
Long context
#4 · Near-SOTA · Long context
Margin 2.7210884353741562
LMArena leaderboard dataset · Oct 13, 2026
#29 · Was SOTA · Long context
Margin 19.72789115646259
LMArena leaderboard dataset · Oct 13, 2026
Vision
#20 · Was SOTA · Vision
Margin 55.26315789473684
Epoch AI benchmarking hub · Apr 16, 2026
—
Factuality
#12 · #12 in Factuality
Margin 9.701492537313428
LMArena leaderboard dataset · Oct 13, 2026
#50 · #50 in Factuality
Margin 38.059701492537314
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#11 · #11 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 16, 2026
#66 · #66 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 29, 2025
Price per 1M tokens

Claude Opus 4.7: $10 per 1M blended tokens.

Claude Sonnet 4.5: $6 per 1M blended tokens.

Open weights

Claude Opus 4.7: closed weights.

Claude Sonnet 4.5: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in General LLM at #5 against #49.

Reasoning: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Reasoning at #4 against #40.

Math: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Math at #10 against #25.

Science: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Science at #34 against #82.

Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Coding › Web dev at #32 against #78.

Long context: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Long context at #4 against #29.

Factuality: As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Factuality at #12 against #50.

Abstraction (ARC): As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Abstraction (ARC) at #11 against #66.

Claude Opus 4.7 · Claude Sonnet 4.5

Claude Opus 4.7 or Claude Sonnet 4.5?

As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in 8 of 8 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).

Claude Opus 4.7 or Claude Sonnet 4.5 for General LLM?

As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in General LLM at #5 against #49.

Claude Opus 4.7 or Claude Sonnet 4.5 for Reasoning?

As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Reasoning at #4 against #40.

Claude Opus 4.7 or Claude Sonnet 4.5 for Math?

As of Oct 14, 2026, Claude Opus 4.7 leads Claude Sonnet 4.5 in Math at #10 against #25.