Claude 3.7 Sonnet vs Claude Sonnet 5.5
As of Oct 15, 2026, Claude 3.7 Sonnet leads Claude Sonnet 5.5 in 0 of 5 shared categories.
Claude 3.7 Sonnet
It used to be. Was SOTA in Long context.
Claude Sonnet 5.5
Yes. SOTA in Coding (tied), Coding › Agentic (tied), and Vision (tied).
| Category | Claude 3.7 Sonnet | Claude Sonnet 5.5 |
|---|---|---|
| General LLM | #184 · #184 in General LLM Margin 97.87234042553192 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in General LLM Margin 15.425531914893611 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #174 · #174 in Reasoning Margin 93.08510638297872 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Reasoning Margin 10.106382978723403 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #33 · #33 in Math Margin 73.33333333333334 Epoch AI benchmarking hub · Feb 24, 2025 | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 |
| Science | #98 · #98 in Science Margin — Epoch AI benchmarking hub · Feb 24, 2025 | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #3 · Near-SOTA · Coding › Web dev Margin 1.5999999999999943 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #144 · Was SOTA · Long context Margin 76.59574468085106 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Long context Margin 5.851063829787236 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 28, 2026 |
| Factuality | — | #17 · #17 in Factuality Margin 10.465116279069761 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #80 · #80 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 24, 2025 | — |
Claude 3.7 Sonnet: price per 1M tokens is unset in the catalog.
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
Claude 3.7 Sonnet: closed weights.
Claude Sonnet 5.5: closed weights.
General LLM: As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in General LLM at #29 against #184.
Reasoning: As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in Reasoning at #18 against #174.
Math: As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in Math at #4 against #33.
Science: As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in Science at #3 against #98.
Long context: As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in Long context at #11 against #144.
Claude 3.7 Sonnet · Claude Sonnet 5.5
Claude 3.7 Sonnet or Claude Sonnet 5.5?
As of Oct 15, 2026, Claude 3.7 Sonnet leads Claude Sonnet 5.5 in 0 of 5 shared categories.
Claude 3.7 Sonnet or Claude Sonnet 5.5 for General LLM?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in General LLM at #29 against #184.
Claude 3.7 Sonnet or Claude Sonnet 5.5 for Reasoning?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in Reasoning at #18 against #174.
Claude 3.7 Sonnet or Claude Sonnet 5.5 for Math?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Claude 3.7 Sonnet in Math at #4 against #33.