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SelectedOpenAI logoGPT-5.5×Anthropic logoClaude 4.5 Haiku×Mistral logoMistral Large 2×xAI logoGrok 4×Clear all
 
OpenAI logoGPT-5.5

OpenAI

Anthropic logoClaude 4.5 Haiku

Anthropic

Mistral logoMistral Large 2

Mistral

xAI logoGrok 4

xAI

VendorOpenAIAnthropicMistralxAI
FamilyGPTClaudeMistralGrok
Release date2026-04-232025-10-012024-07-242025-07-09
Context window400,000 tokens200,000 tokens128,000 tokens256,000 tokens
Parameters123B
Modalitytext, vision, audiotext, visiontexttext
LicenseproprietaryproprietaryMistral Research Licenseproprietary
Sourceproprietaryproprietaryopen weightsproprietary
DescriptionOpenAI'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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