DeepSeek-V3.2 vs GPT-5.4 Nano

API pricing, benchmark indices and specs — updated 19 October 2026.

deepseek-ai · A · Open weights
Params
685.4 B
Context
163,840
30d
5.4 M
mit · commercial OK
openai · B · API-only
Input / 1M
$0.20
Output / 1M
$1.25
AA index
20.7
proprietary · 400K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-V3.2 GPT-5.4 Nano
Deployment Open weights · also via API API-only (closed weights)
Parameters 685.4 B n/a — API-only
Architecture DeepseekV32ForCausalLM n/a — API-only
Context length 163,840 400,000
Licence mit Proprietary
Commercial use Allowed Per API terms
Languages — n/a — API-only
Downloads 30d 5,435,964 n/a — API-only
Downloads all time 30.4 M n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated No n/a — API-only
First seen on the Hub 2025-12-01 n/a — API-only
API input price / 1M tokens $0.28 $0.20
API output price / 1M tokens $0.42 $1.25
Est. cost per 1M input + 1M output tokens $0.70 $1.45
Cached input / 1M tokens $0.028 $0.02
AA Intelligence Index 21.5 20.7
AA Coding Index 44.2 56.1
AA Agentic Index — 16
Max output tokens 65,536 128,000
API providers 11 2
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

DeepSeek-V3.2 $0.70
GPT-5.4 Nano $1.45

DeepSeek-V3.2 is 2.1× cheaper at list price.

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

DeepSeek-V3.2 · fp16 @ 160K ctx 2,815.1 GB / 24 GB
❌ Won’t fit

Adjacent comparisons