# DeepSeek V4.1 Flash vs GPT-5.6 Terra

As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Terra in 5 of 8 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

DeepSeek V4.1 Flash: $0.23463 per 1M blended tokens.

GPT-5.6 Terra: $4.5 per 1M blended tokens.

DeepSeek V4.1 Flash: open weights.

GPT-5.6 Terra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Terra in General LLM at #32 against #44.
- Which to pick, Reasoning: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Terra in Reasoning at #29 against #41.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.6 Terra leads DeepSeek V4.1 Flash in Science at #15 against #36.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Terra in Coding › Web dev at #21 against #44.
- Which to pick, Long context: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Terra in Long context at #37 against #54.
- Which to pick, Vision: As of Oct 15, 2026, GPT-5.6 Terra leads DeepSeek V4.1 Flash in Vision at #11 against #21.
- Which to pick, Factuality: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Terra in Factuality at #25 against #28.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Terra leads DeepSeek V4.1 Flash in Abstraction (ARC) at #4 against #8.

As of Oct 15, 2026, DeepSeek V4.1 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 15, 2026, GPT-5.6 Terra is ranked #4 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).