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SelectedAnthropic logoClaude 4.5 Haiku×xAI logoGrok 4×DeepSeek logoDeepSeek-R1×OpenAI logoGPT-5.5×Clear all
 
Anthropic logoClaude 4.5 Haiku

Anthropic

xAI logoGrok 4

xAI

DeepSeek logoDeepSeek-R1

DeepSeek

OpenAI logoGPT-5.5

OpenAI

VendorAnthropicxAIDeepSeekOpenAI
FamilyClaudeGrokDeepSeekGPT
Release date2025-10-012025-07-092025-01-202026-04-23
Context window200,000 tokens256,000 tokens128,000 tokens400,000 tokens
Parameters671B
Modalitytext, visiontexttexttext, vision, audio
LicenseproprietaryproprietaryMITproprietary
Sourceproprietaryproprietaryopen weightsproprietary
DescriptionFast, cost-effective Claude model.Reasoning-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.
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