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SelectedOpenAI logoGPT-5×DeepSeek logoDeepSeek-R1×Anthropic logoClaude 4.6 Sonnet×DeepSeek logoDeepSeek-V4-Flash×Clear all
 
OpenAI logoGPT-5

OpenAI

DeepSeek logoDeepSeek-R1

DeepSeek

Anthropic logoClaude 4.6 Sonnet

Anthropic

DeepSeek logoDeepSeek-V4-Flash

DeepSeek

VendorOpenAIDeepSeekAnthropicDeepSeek
FamilyGPTDeepSeekClaudeDeepSeek
Release date2025-08-072025-01-202026-04-22
Context window400,000 tokens128,000 tokens200,000 tokens1,000,000 tokens
Parameters671B284B (13B active)
Modalitytext, vision, audiotexttext, visiontext
LicenseproprietaryMITproprietaryMIT
Sourceproprietaryopen weightsproprietaryopen weights
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Reasoning-focused open-weight model.Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.
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