GPT-5 nano

openai/gpt-5-nano

Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs

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Context window: 400K
Input: Image · Text
Output: Text
Released: 2025-08-07

Max output: 128K
Knowledge cutoff: 2024-05-31
Weights: Closed
Capabilities: Attachments, Reasoning, Structured, Tool call

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Batch processing

Performance

Overall capability

39.1/100

Coding: —
Reasoning: 34.9
Professional work: —
Knowledge & language: 31.6


CritPtGPT-5 nano (Minimal)	Reasoning	Artificial Analysis	2026-11-05
Chess Puzzles	Reasoning	Epoch AI	2026-11-05
SimpleQA Verified	Knowledge & language	Epoch AI	2026-11-05
Mystery Game Puzzles	Reasoning	Epoch AI	2026-11-05
Humanity’s Last ExamGPT-5 nano (High)	Reasoning	Artificial Analysis	2026-11-05
AA-LCRGPT-5 nano (High)	Knowledge & language	Artificial Analysis	2026-11-05
FrontierMath v2 Tiers 1–3	Reasoning	Epoch AI	2026-11-05
IFBench（Artificial Analysis）GPT-5 nano (High)	Knowledge & language	Artificial Analysis	2026-11-05

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ModelRegistry · Catalog updated 2026-11-05