# DeepSeek V4 Flash High Preview vs GPT-5.4

As of Oct 15, 2026, DeepSeek V4 Flash High Preview leads GPT-5.4 in 0 of 5 shared categories.

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

GPT-5.4: $5.625 per 1M blended tokens.

DeepSeek V4 Flash High Preview: open weights.

GPT-5.4: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.4 leads DeepSeek V4 Flash High Preview in General LLM at #30 against #89.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.4 leads DeepSeek V4 Flash High Preview in Reasoning at #32 against #94.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.4 leads DeepSeek V4 Flash High Preview in Coding › Web dev at #60 against #71.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.4 leads DeepSeek V4 Flash High Preview in Long context at #40 against #84.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.4 leads DeepSeek V4 Flash High Preview in Factuality at #6 against #97.

As of Oct 15, 2026, DeepSeek V4 Flash High Preview is ranked #71 in Coding › Web dev (since Oct 15, 2026; sources LMArena WebDev; methodology v1.0).

As of Oct 15, 2026, GPT-5.4 is a former state-of-the-art holder in General LLM (since Apr 10, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).