GPT-4 Turbo
OpenAI · November 2023
⚠ deprecatedClosedmixture of expertsmultimodalAPI Available
Parameters~1.7T (est. MoE)
Context Window128K tokens
Sunset DateJune 2025
Description
A faster and more affordable version of GPT-4 with a 128K context window (roughly 100,000 words — enough to process an entire novel at once). Added structured output modes like JSON and improved the model's ability to call external tools and functions.
Key Innovations
Long Context
Long ContextAbility to process very long inputs (100K+ tokens), enabling analysis of entire codebases or books.
Tool Use
Tool UseAbility to call external tools, APIs, and functions — enabling web browsing, code execution, and real-world actions.
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Related Research (1)
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2023 · OpenAI
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