DeepSeek-V3.2-Exp vs GPT-5.2: Specs & Benchmark Comparison

CharacteristicDeepSeek-V3.2-ExpGPT-5.2
CompanyDeepSeekOpenAI
Release DateSeptember 28, 2025December 10, 2025
Parameters685B
MultimodalNoYes
Context (input)164K256K
Context (output)66K128K
Input Price / 1M$0.27$1.50
Output Price / 1M$0.41$6.00
Average Score0.81.0
Benchmarks
GPQA0.80.9
AIME 20250.91.0

Visual Benchmark Comparison

DeepSeek-V3.2-Exp
GPT-5.2
GPQA0.8 vs 0.9
0.8
0.9
AIME 20250.9 vs 1.0
0.9
1.0

Verdict

GPT-5.2 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: DeepSeek-V3.2-Exp — 0.8, GPT-5.2 — 1.0.

API Cost

DeepSeek-V3.2-Exp is 11.0x cheaper: input $0.27/1M vs $1.50/1M tokens.

Context Window

GPT-5.2 supports a larger context: 256K vs 164K tokens.

Recency

GPT-5.2 is newer: released 12/10/2025 vs 9/28/2025.

More About These Models

Related Comparisons

The DeepSeek-V3.2-Exp and GPT-5.2 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-5.2 page. See also the complete list of AI model comparisons.