# DeepSeek V4 Flash vs GPT-5.4

As of Oct 14, 2026, DeepSeek V4 Flash leads GPT-5.4 in 1 of 5 shared categories: Coding › Web dev.

DeepSeek V4 Flash: $0.11374999999999999 per 1M blended tokens.

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

DeepSeek V4 Flash: open weights.

GPT-5.4: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-5.4 leads DeepSeek V4 Flash in General LLM at #28 against #75.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.4 leads DeepSeek V4 Flash in Reasoning at #29 against #72.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, DeepSeek V4 Flash leads GPT-5.4 in Coding › Web dev at #30 against #55.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.4 leads DeepSeek V4 Flash in Long context at #34 against #69.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.4 leads DeepSeek V4 Flash in Factuality at #6 against #66.

As of Oct 14, 2026, DeepSeek V4 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).

As of Oct 14, 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).