GPT-5 Nanoon Krater.ai
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
Released August 7, 2025
Specifications
GPT-5 Nano at a glance
Context
400K tokens
Max output
128K tokens
Input
Text, Image, File
Output
Text
Input price
$0.05 / 1M
Output price
$0.40 / 1M
Knowledge cutoff
2024-05-31
Krater rank
#50
Capabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Benchmarks
Catalog data, not Krater benchmarks.
Design Arena uicomponent rank
#82
Design Arena codecategories rank
#85
Compare
Compare GPT-5 Nano
GPT-5 Nano vs GPT-4o (2024-11-20)
The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability.
Open comparisonGPT-5 Nano vs GPT-5.6 Sol
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series.
Open comparisonGPT-5 Nano vs GPT-5.3 Chat
GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful.
Open comparisonFAQ
Questions about GPT-5 Nano
Clear answers based on the model catalog and Krater access.
Use GPT-5 Nano in your API
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