# Claude Opus 4.8 vs DeepSeek V4 Flash High Preview

As of Oct 14, 2026, Claude Opus 4.8 leads DeepSeek V4 Flash High Preview in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

Claude Opus 4.8: $10 per 1M blended tokens.

DeepSeek V4 Flash High Preview: price per 1M tokens is unset in the catalog.

Claude Opus 4.8: closed weights.

DeepSeek V4 Flash High Preview: open weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads DeepSeek V4 Flash High Preview in General LLM at #20 against #71.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads DeepSeek V4 Flash High Preview in Reasoning at #10 against #74.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.8 leads DeepSeek V4 Flash High Preview in Coding › Web dev at #33 against #65.
- Which to pick, Long context: As of Oct 14, 2026, Claude Opus 4.8 leads DeepSeek V4 Flash High Preview in Long context at #10 against #68.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads DeepSeek V4 Flash High Preview in Factuality at #21 against #77.

As of Oct 14, 2026, Claude Opus 4.8 is a former state-of-the-art holder in Coding › Web dev (since Jun 5, 2026; sources LMArena WebDev; methodology v1.0).

As of Oct 14, 2026, DeepSeek V4 Flash High Preview is ranked #65 in Coding › Web dev (since Oct 14, 2026; sources LMArena WebDev; methodology v1.0).