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SelectedAnthropic logoClaude 4.6 Sonnet×OpenAI logoGPT-5×OpenAI logoo3×OpenAI logoGPT-4.1×Clear all
 
Anthropic logoClaude 4.6 Sonnet

Anthropic

OpenAI logoGPT-5

OpenAI

OpenAI logoo3

OpenAI

OpenAI logoGPT-4.1

OpenAI

VendorAnthropicOpenAIOpenAIOpenAI
FamilyClaudeGPTo-seriesGPT
Release date2025-08-072025-04-162025-04-14
Context window200,000 tokens400,000 tokens200,000 tokens1,000,000 tokens
Parameters
Modalitytext, visiontext, vision, audiotext, visiontext, vision
Licenseproprietaryproprietaryproprietaryproprietary
Sourceproprietaryproprietaryproprietaryproprietary
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Reasoning-focused model in the o-series.
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