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SelectedOpenAI logoGPT-5×OpenAI logoo3×DeepSeek logoDeepSeek-V4-Flash×OpenAI logoGPT-4.1×Clear all
 
OpenAI logoGPT-5

OpenAI

OpenAI logoo3

OpenAI

DeepSeek logoDeepSeek-V4-Flash

DeepSeek

OpenAI logoGPT-4.1

OpenAI

VendorOpenAIOpenAIDeepSeekOpenAI
FamilyGPTo-seriesDeepSeekGPT
Release date2025-08-072025-04-162026-04-222025-04-14
Context window400,000 tokens200,000 tokens1,000,000 tokens1,000,000 tokens
Parameters284B (13B active)
Modalitytext, vision, audiotext, visiontexttext, vision
LicenseproprietaryproprietaryMITproprietary
Sourceproprietaryproprietaryopen weightsproprietary
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Reasoning-focused model in the o-series.Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.
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