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SelectedOpenAI logoGPT-5×OpenAI logoGPT-5 Pro×DeepSeek logoDeepSeek-V3.1×DeepSeek logoDeepSeek-R1×Clear all
 
OpenAI logoGPT-5

OpenAI

OpenAI logoGPT-5 Pro

OpenAI

DeepSeek logoDeepSeek-V3.1

DeepSeek

DeepSeek logoDeepSeek-R1

DeepSeek

VendorOpenAIOpenAIDeepSeekDeepSeek
FamilyGPTGPTDeepSeekDeepSeek
Release date2025-08-072025-08-072025-08-212025-01-20
Context window400,000 tokens400,000 tokens128,000 tokens128,000 tokens
Parameters671B671B
Modalitytext, vision, audiotext, vision, audiotexttext
LicenseproprietaryproprietaryMITMIT
Sourceproprietaryproprietaryopen weightsopen weights
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth.Large MoE open-weight model. Predecessor to DeepSeek-V4.Reasoning-focused open-weight model.
Links
Benchmarks
MMLU-Pro85.1%
GPQA-D87.3%
HumanEval95.2%
Aider85.4%
AIME-2591.0%79.8%
LiveCB74.5%
MMMU74.1%

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