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SelectedxAI logoGrok 4×Anthropic logoClaude 4.7 Opus×OpenAI logoGPT-5.5×DeepSeek logoDeepSeek-R1×Clear all
 
xAI logoGrok 4

xAI

Anthropic logoClaude 4.7 Opus

Anthropic

OpenAI logoGPT-5.5

OpenAI

DeepSeek logoDeepSeek-R1

DeepSeek

VendorxAIAnthropicOpenAIDeepSeek
FamilyGrokClaudeGPTDeepSeek
Release date2025-07-092026-04-162026-04-232025-01-20
Context window256,000 tokens1,000,000 tokens400,000 tokens128,000 tokens
Parameters671B
Modalitytexttext, visiontext, vision, audiotext
LicenseproprietaryproprietaryproprietaryMIT
Sourceproprietaryproprietaryproprietaryopen weights
DescriptionAnthropic'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.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.Reasoning-focused open-weight model.
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