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
#65 Best current rank: #65 in Coding › Web dev, as of Oct 14, 2026.
GPT-5.5
It used to be. Was SOTA in General LLM.
| Category | DeepSeek V4 Flash High Preview | GPT-5.5 |
|---|---|---|
| General LLM | #71 · #71 in General LLM Margin 48.29931972789116 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #74 · #74 in Reasoning Margin 51.36986301369863 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #65 · #65 in Coding › Web dev Margin 59.81308411214953 LMArena leaderboard dataset · Oct 13, 2026 | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #68 · #68 in Long context Margin 46.25850340136054 LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 |
| Factuality | #77 · #77 in Factuality Margin 58.208955223880594 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 |
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.
General LLM: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in General LLM at #21 against #71.
Reasoning: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Reasoning at #25 against #74.
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.
Long context: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Long context at #23 against #68.
Factuality: As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Factuality at #5 against #77.
DeepSeek V4 Flash High Preview · GPT-5.5
DeepSeek V4 Flash High Preview or 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 or GPT-5.5 for General LLM?
As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in General LLM at #21 against #71.
DeepSeek V4 Flash High Preview or GPT-5.5 for Reasoning?
As of Oct 14, 2026, GPT-5.5 leads DeepSeek V4 Flash High Preview in Reasoning at #25 against #74.
DeepSeek V4 Flash High Preview or GPT-5.5 for 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.