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openaimodel
OpenAI: GPT-5 Nano
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Best for
Image UnderstandingVisual Q&AOCRMultimodal Tasks
Context Window
400K tokens ≈ 889 pages of text
Input Cost
$0.05/1M
Output Cost
$0.40/1M
Latency p50
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Pricing Details
Standard Pricing
Input (per 1M tokens)
$0.05
Output (per 1M tokens)
$0.40
Price history
4/18/2026$0.05 in / $0.40 out
4/17/2026$0.05 in / $0.40 out
4/16/2026$0.05 in / $0.40 out
4/16/2026$0.05 in / $0.40 out
4/16/2026$0.05 in / $0.40 out
Hallucination Score™ (est.)
Community reliability estimate · not official
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Not yet rated
About this score: Community-estimated based on user reports and publicly available benchmark data (e.g. TruthfulQA). This is not an official score from the model provider. Scores may be inaccurate — always verify with the official leaderboard before making production decisions.
Price HistoryPro
Input & output cost per 1M tokens over time
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openai
Community Prompts
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