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
#74
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-5.6 Terra
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier.
Open comparisonGPT-5 Nano vs GPT-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience.
Open comparisonGPT-5 Nano vs GPT-5.1
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5.
Open comparisonFAQ
Questions about GPT-5 Nano
Clear answers based on the model catalog and Krater access.
Use GPT-5 Nano in your API
Connect with Krater's unified API.