Claude Opus 4.7 vs O3
As of Oct 14, 2026, Claude Opus 4.7 leads O3 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Long context, Factuality, and Abstraction (ARC).
| Category | Claude Opus 4.7 | O3 |
|---|---|---|
| General LLM | #5 · Near-SOTA · General LLM Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #78 · Was SOTA · General LLM Margin 53.06122448979592 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #4 · Near-SOTA · Reasoning Margin 3.4246575342465775 LMArena leaderboard dataset · Oct 13, 2026 | #90 · Was SOTA · Reasoning Margin 62.32876712328767 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #10 · #10 in Math Margin 20 Epoch AI benchmarking hub · Apr 16, 2026 | #20 · Was SOTA · Math Margin 42.22222222222222 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | #34 · #34 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #67 · #67 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding › Web dev | #32 · Was SOTA · Coding › Web dev Margin 28.971962616822424 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #4 · Near-SOTA · Long context Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #110 · Was SOTA · Long context Margin 74.82993197278913 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #20 · Was SOTA · Vision Margin 55.26315789473684 Epoch AI benchmarking hub · Apr 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #12 · #12 in Factuality Margin 9.701492537313428 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Factuality Margin 79.1044776119403 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #11 · #11 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #37 · #37 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Claude Opus 4.7: $10 per 1M blended tokens.
O3: $3.5 per 1M blended tokens.
Claude Opus 4.7: closed weights.
O3: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.7 leads O3 in General LLM at #5 against #78.
Reasoning: As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Reasoning at #4 against #90.
Math: As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Math at #10 against #20.
Science: As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Science at #34 against #67.
Long context: As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Long context at #4 against #110.
Factuality: As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Factuality at #12 against #105.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Abstraction (ARC) at #11 against #37.
Claude Opus 4.7 or O3?
As of Oct 14, 2026, Claude Opus 4.7 leads O3 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Long context, Factuality, and Abstraction (ARC).
Claude Opus 4.7 or O3 for General LLM?
As of Oct 14, 2026, Claude Opus 4.7 leads O3 in General LLM at #5 against #78.
Claude Opus 4.7 or O3 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Reasoning at #4 against #90.
Claude Opus 4.7 or O3 for Math?
As of Oct 14, 2026, Claude Opus 4.7 leads O3 in Math at #10 against #20.