# Claude Opus 4.7 vs DeepSeek V4.1 Flash

As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in 6 of 8 shared categories: General LLM, Reasoning, Science, Long context, Vision, and Factuality.

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

DeepSeek V4.1 Flash: $0.23463 per 1M blended tokens.

Claude Opus 4.7: closed weights.

DeepSeek V4.1 Flash: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in General LLM at #5 against #32.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in Reasoning at #4 against #29.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in Science at #34 against #36.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Claude Opus 4.7 in Coding › Web dev at #21 against #34.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in Long context at #4 against #37.
- Which to pick, Vision: As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in Vision at #20 against #21.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.7 leads DeepSeek V4.1 Flash in Factuality at #13 against #25.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads Claude Opus 4.7 in Abstraction (ARC) at #8 against #11.

As of Oct 15, 2026, Claude Opus 4.7 is near state of the art, rank #4 in Reasoning (since Oct 15, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, DeepSeek V4.1 Flash is state of the art on best per dollar in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).