Inferbase
Beta
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 counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.
Input
Output
Context
4K
Max Output
1K
Parameters
—
Technical Specifications
Model TypeChat
Context Window4K
Max Output Tokens1K
Parameters—
Training Cutoff—
License—
Capabilities
Input Modalities
textimagefile
Output Modalities
text
Features
visionfunction_callingstreamingjson_modesystem_prompts
Benchmarks
Pricing
per 1M tokens • updated regularlyAvailable on 1 Platform
| Platform | Input | Output |
|---|---|---|
OpenRouter | $0.050 | $0.400 |
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Mar 16, 2026
Build Your AI Stack with Confidence
Explore models, compare pricing and benchmarks, and right-size your infrastructure — all in one place.