Which is better for coding — DeepSeek-V3.2-Exp or GPT-5.2 Codex?

Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.

Which model is cheaper — DeepSeek-V3.2-Exp or GPT-5.2 Codex?

DeepSeek-V3.2-Exp is cheaper for input: $0.27 per 1M tokens vs $1.75.

Which has a larger context window — DeepSeek-V3.2-Exp or GPT-5.2 Codex?

GPT-5.2 Codex supports a larger context: 400,000 tokens vs 163,840.

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

Characteristic	DeepSeek-V3.2-Exp	GPT-5.2 Codex
Company	DeepSeek	OpenAI
Release Date	September 28, 2025	January 13, 2026
Parameters	685B	—
Multimodal	No	Yes
Context (input)	164K	400K
Context (output)	66K	128K
Input Price / 1M	$0.27	$1.75
Output Price / 1M	$0.41	$14.00
Average Score	0.8	0.6

Verdict

GPT-5.2 Codex 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 Codex — 0.6.

API Cost

DeepSeek-V3.2-Exp is 23.2x cheaper: input $0.27/1M vs $1.75/1M tokens.

Context Window

GPT-5.2 Codex supports a larger context: 400K vs 164K tokens.

Recency

GPT-5.2 Codex is newer: released 1/13/2026 vs 9/28/2025.

More About These Models

DeepSeek-V3.2-Exp

DeepSeek — specs, benchmarks, API

GPT-5.2 Codex

OpenAI — specs, benchmarks, API

Related Comparisons

DeepSeek-V3.2-Exp vs DeepSeek-V3.2 (Thinking)DeepSeek-V3.2-Exp vs LongCat-Flash-Thinking DeepSeek-V3.2-Exp vs GLM-4.5 DeepSeek-V3.2-Exp vs MiMo-V2-Flash DeepSeek-V3.2-Exp vs LongCat-Flash-Chat DeepSeek-V3.2-Exp vs Qwen3.5 9B

All model comparisons →

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