LIVE INTELLIGENCE · part of the Xentir AI Index

DeepSeek-V3.2 (Chat) vs GPT-5.4 nano

DeepSeek-V3.2 (Chat) OPEN WEIGHTS · DeepSeek, released 2025-12-01
GPT-5.4 nano · OpenAI, released 2026-03-17

“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-07-29 · Methodology · Data Sources

Head-to-head

Measured on 4 of 9 tracked benchmarks for both models — GPT-5.4 nano leads on 4.

Benchmark	DeepSeek-V3.2 (Chat)	GPT-5.4 nano	Leads
Epoch Capabilities Index (ECI)	146.6	146.6	GPT-5.4 nano
SWE-bench Verified	Not measured	Not measured	Not measured on both
GPQA Diamond	0.712	0.785 (high)	GPT-5.4 nano
MATH Level 5	Not measured	Not measured	Not measured on both
OTIS Mock AIME 2024-2025	0.489	0.878 (high)	GPT-5.4 nano
FrontierMath	Not measured	0.259 (high)	Not measured on both
FrontierMath Tier 4	Not measured	0.062 (high)	Not measured on both
SimpleQA Verified	Not measured	0.120 (high)	Not measured on both
Chess Puzzles	0.010	0.300 (high)	GPT-5.4 nano

Benchmark results measure specific tasks and should not be treated as a universal measure of model quality. A model with no row here for a benchmark has not been measured on it — that is left blank, never estimated.

Reference price

Per 1M tokens	DeepSeek-V3.2 (Chat)	GPT-5.4 nano
Output	—	$1.25

List price as published by the vendor. Xentir does not verify negotiated or enterprise rates, and price is not a measure of capability — see Data Sources.

Full profiles

DeepSeek-V3.2 (Chat) → · GPT-5.4 nano → · the full AI Model Rankings table