latentbrief

Model comparison

GPT-5.4 vs DeepSeek R1

Specs

MetricGPT-5.4DeepSeek R1
Context window1.1M tokens64K tokens
Input $/1M tokens$2.50$0.700
Output $/1M tokens$15.00$2.50
ModalitiesText · Image · FileText
Open weightsNoYes
Released-Jan 2025

Capability differences

CapabilityGPT-5.4DeepSeek R1
Tool useYesNo
VisionYesNo
Prompt cachingYesNo
Open weightsNoYes

Key differences

  • -GPT-5.4 offers 1.1M context; DeepSeek R1 offers 64K.
  • -Input pricing: GPT-5.4 at $2.50/1M vs DeepSeek R1 at $0.700/1M.
  • -DeepSeek R1 is open weights; GPT-5.4 is proprietary.