gpt.buzz
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SelectedMeta logoLlama 4 Scout×OpenAI logoGPT-5 Pro×OpenAI logoo3×xAI logoGrok 4×Clear all
 
Meta logoLlama 4 Scout

Meta

OpenAI logoGPT-5 Pro

OpenAI

OpenAI logoo3

OpenAI

xAI logoGrok 4

xAI

VendorMetaOpenAIOpenAIxAI
FamilyLlamaGPTo-seriesGrok
Release date2025-04-052025-08-072025-04-162025-07-09
Context window10,000,000 tokens400,000 tokens200,000 tokens256,000 tokens
Parameters109B
Modalitytext, visiontext, vision, audiotext, visiontext
LicenseLlama 4 Community Licenseproprietaryproprietaryproprietary
Sourceopen weightsproprietaryproprietaryproprietary
DescriptionHigher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth.Reasoning-focused model in the o-series.
Links
Benchmarks
MMLU-Pro82.8%
GPQA-D87.7%87.5%
Aider72.5%
AIME-2588.9%86.1%
LiveCB65.3%

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