# DeepSeek V4 Flash High Preview vs GPT-5.5

As of Oct 14, 2026, DeepSeek V4 Flash High Preview leads GPT-5.5 in 0 of 5 shared categories.

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

GPT-5.5: $11.25 per 1M blended tokens.

DeepSeek V4 Flash High Preview: open weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in General LLM at #21 against #71.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Reasoning at #25 against #74.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Coding › Web dev at #44 against #65.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Long context at #23 against #68.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Factuality at #5 against #77.

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).

As of Oct 14, 2026, GPT-5.5 is a former state-of-the-art holder in General LLM (since Apr 28, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).