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

xAI

DeepSeek logoDeepSeek-R1

DeepSeek

OpenAI logoGPT-5.5

OpenAI

Anthropic logoClaude 4.5 Haiku

Anthropic

VendorxAIDeepSeekOpenAIAnthropic
FamilyGrokDeepSeekGPTClaude
Release date2025-07-092025-01-202026-04-232025-10-01
Context window256,000 tokens128,000 tokens400,000 tokens200,000 tokens
Parameters671B
Modalitytexttexttext, vision, audiotext, vision
LicenseproprietaryMITproprietaryproprietary
Sourceproprietaryopen weightsproprietaryproprietary
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.Fast, cost-effective Claude model.
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