DeepSeek V3.2 Exp vs GPT-5 Nano: side-by-side summary

DeepSeek V3.2 Exp and GPT-5 Nano are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V3.2 Exp, from DeepSeek, has a 163,840-token context window and is priced at $0.27/M tokens input, $0.41/M tokens output on OpenRouter.

GPT-5 Nano, from OpenAI, has a 400,000-token context window and is priced at $0.05/M tokens input, $0.40/M tokens output on OpenRouter.

Context window

• DeepSeek V3.2 Exp: 163,840 tokens
• GPT-5 Nano: 400,000 tokens

Price

• DeepSeek V3.2 Exp: $0.27/M tokens input, $0.41/M tokens output
• GPT-5 Nano: $0.05/M tokens input, $0.40/M tokens output

Provided by

• DeepSeek V3.2 Exp: DeepSeek
• GPT-5 Nano: OpenAI

• DeepSeek V3.2 Exp model details, providers and pricing
• GPT-5 Nano model details, providers and pricing