DeepSeek-V3.2-Exp vs GPT-5.4 Pro: Specs & Benchmark Comparison

CharacteristicDeepSeek-V3.2-ExpGPT-5.4 Pro
CompanyDeepSeekOpenAI
Release DateSeptember 28, 2025March 1, 2026
Parameters685B
MultimodalNoYes
Context (input)164K1.0M
Context (output)66K128K
Input Price / 1M$0.27$15.00
Output Price / 1M$0.41$225.00
Average Score0.80.0

Verdict

GPT-5.4 Pro leads in 2 out of 3 comparison categories.

API Cost

DeepSeek-V3.2-Exp is 352.9x cheaper: input $0.27/1M vs $15.00/1M tokens.

Context Window

GPT-5.4 Pro supports a larger context: 1M vs 164K tokens.

Recency

GPT-5.4 Pro is newer: released 3/1/2026 vs 9/28/2025.

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The DeepSeek-V3.2-Exp and GPT-5.4 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V3.2-Exp or GPT-5.4 Pro page. See also the complete list of AI model comparisons.