gpt.buzz
Sign in

Compare models

Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.

SelectedDeepSeek logoDeepSeek-R1×OpenAI logoGPT-5×OpenAI logoo3×OpenAI logoGPT-4.1×Clear all
 
DeepSeek logoDeepSeek-R1

DeepSeek

OpenAI logoGPT-5

OpenAI

OpenAI logoo3

OpenAI

OpenAI logoGPT-4.1

OpenAI

VendorDeepSeekOpenAIOpenAIOpenAI
FamilyDeepSeekGPTo-seriesGPT
Release date2025-01-202025-08-072025-04-162025-04-14
Context window128,000 tokens400,000 tokens200,000 tokens1,000,000 tokens
Parameters671B
Modalitytexttext, vision, audiotext, visiontext, vision
LicenseMITproprietaryproprietaryproprietary
Sourceopen weightsproprietaryproprietaryproprietary
DescriptionReasoning-focused open-weight model.OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Reasoning-focused model in the o-series.
Links

Add a model

Max 4 models. Remove one to add another.