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SelectedOpenAI logoGPT-5×DeepSeek logoDeepSeek-V3.1×OpenAI logoGPT-5.5×Anthropic logoClaude 4.5 Haiku×Clear all
 
OpenAI logoGPT-5

OpenAI

DeepSeek logoDeepSeek-V3.1

DeepSeek

OpenAI logoGPT-5.5

OpenAI

Anthropic logoClaude 4.5 Haiku

Anthropic

VendorOpenAIDeepSeekOpenAIAnthropic
FamilyGPTDeepSeekGPTClaude
Release date2025-08-072025-08-212026-04-232025-10-01
Context window400,000 tokens128,000 tokens400,000 tokens200,000 tokens
Parameters671B
Modalitytext, vision, audiotexttext, vision, audiotext, vision
LicenseproprietaryMITproprietaryproprietary
Sourceproprietaryopen weightsproprietaryproprietary
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Large MoE open-weight model. Predecessor to DeepSeek-V4.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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Benchmarks
MMLU-Pro85.1%87.6%
GPQA-D87.3%89.4%
HumanEval95.2%96.8%
Aider85.4%89.7%
AIME-2591.0%94.2%
LiveCB74.5%78.9%
MMMU74.1%78.4%

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