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SelectedDeepSeek logoDeepSeek-R1×OpenAI logoGPT-5.5×Anthropic logoClaude 4.7 Opus×OpenAI logoGPT-4.1×Clear all
 
DeepSeek logoDeepSeek-R1

DeepSeek

OpenAI logoGPT-5.5

OpenAI

Anthropic logoClaude 4.7 Opus

Anthropic

OpenAI logoGPT-4.1

OpenAI

VendorDeepSeekOpenAIAnthropicOpenAI
FamilyDeepSeekGPTClaudeGPT
Release date2025-01-202026-04-232026-04-162025-04-14
Context window128,000 tokens400,000 tokens1,000,000 tokens1,000,000 tokens
Parameters671B
Modalitytexttext, vision, audiotext, visiontext, vision
LicenseMITproprietaryproprietaryproprietary
Sourceopen weightsproprietaryproprietaryproprietary
DescriptionReasoning-focused open-weight model.OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning.Anthropic's most capable model, optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6.
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