Which is better for coding — DeepSeek-V3.2 (Thinking) or GPT-5.4 mini?

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 (Thinking) or GPT-5.4 mini?

DeepSeek-V3.2 (Thinking) is cheaper for input: $0.28 per 1M tokens vs $0.42.

Which has a larger context window — DeepSeek-V3.2 (Thinking) or GPT-5.4 mini?

GPT-5.4 mini supports a larger context: 400,000 tokens vs 131,072.

DeepSeek-V3.2 (Thinking) vs GPT-5.4 mini: Specs & Benchmark Comparison

DeepSeek-V3.2 (Thinking)

DeepSeek

GPT-5.4 mini

OpenAI

Characteristic	DeepSeek-V3.2 (Thinking)	GPT-5.4 mini
Company	DeepSeek	OpenAI
Release Date	November 30, 2025	March 1, 2026
Parameters	685B	—
Multimodal	No	Yes
Context (input)	131K	400K
Context (output)	66K	128K
Input Price / 1M	$0.28	$0.42
Output Price / 1M	$0.42	$5.50
Average Score	0.9	0.8
Benchmarks
GPQA	0.8	0.9

Visual Benchmark Comparison

DeepSeek-V3.2 (Thinking)

GPT-5.4 mini

GPQA0.8 vs 0.9

0.8

0.9

Verdict

GPT-5.4 mini leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: DeepSeek-V3.2 (Thinking) — 0.9, GPT-5.4 mini — 0.8.

API Cost

DeepSeek-V3.2 (Thinking) is 8.5x cheaper: input $0.28/1M vs $0.42/1M tokens.

Context Window

GPT-5.4 mini supports a larger context: 400K vs 131K tokens.

Recency

GPT-5.4 mini is newer: released 3/1/2026 vs 11/30/2025.

More About These Models

DeepSeek-V3.2 (Thinking)

DeepSeek — specs, benchmarks, API

GPT-5.4 mini

OpenAI — specs, benchmarks, API

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The DeepSeek-V3.2 (Thinking) and GPT-5.4 mini 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 (Thinking) or GPT-5.4 mini page. See also the complete list of AI model comparisons.