Claude Sonnet 5 vs GPT-5.6 Sol
As of Oct 15, 2026, Claude Sonnet 5 leads GPT-5.6 Sol in 0 of 8 shared categories.
Claude Sonnet 5
#19 Best current rank: #19 in Coding, as of Oct 15, 2026.
GPT-5.6 Sol
Close. Near-SOTA in Vision, rank #3.
| Category | Claude Sonnet 5 | GPT-5.6 Sol |
|---|---|---|
| General LLM | #50 · #50 in General LLM Margin 26.59574468085107 LMArena leaderboard dataset · Oct 13, 2026 | #17 · #17 in General LLM Margin 9.042553191489361 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #40 · #40 in Reasoning Margin 21.808510638297875 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Reasoning Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Jun 30, 2026 | #13 · #13 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 | #9 · #9 in Coding Margin 45.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 | #9 · #9 in Coding › Agentic Margin 45.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #40 · #40 in Coding › Web dev Margin 31.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Coding › Web dev Margin 17.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #36 · #36 in Long context Margin 19.148936170212764 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Long context Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #3 · Near-SOTA · Vision Margin 10.526315789473685 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #56 · #56 in Factuality Margin 33.13953488372093 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Factuality Margin 9.302325581395351 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
Claude Sonnet 5: $4.000000000000001 per 1M blended tokens.
GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.
Claude Sonnet 5: closed weights.
GPT-5.6 Sol: closed weights.
General LLM: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in General LLM at #17 against #50.
Reasoning: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Reasoning at #12 against #40.
Science: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Science at #13 against #32.
Coding: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Coding at #9 against #19.
Coding › Agentic: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Coding › Agentic at #9 against #19.
Coding › Web dev: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Coding › Web dev at #23 against #40.
Long context: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Long context at #13 against #36.
Factuality: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Factuality at #15 against #56.
Claude Sonnet 5 or GPT-5.6 Sol?
As of Oct 15, 2026, Claude Sonnet 5 leads GPT-5.6 Sol in 0 of 8 shared categories.
Claude Sonnet 5 or GPT-5.6 Sol for General LLM?
As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in General LLM at #17 against #50.
Claude Sonnet 5 or GPT-5.6 Sol for Reasoning?
As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Reasoning at #12 against #40.
Claude Sonnet 5 or GPT-5.6 Sol for Science?
As of Oct 15, 2026, GPT-5.6 Sol leads Claude Sonnet 5 in Science at #13 against #32.