GPT-5-nano
gpt-5-nano
OpenAI · chat · api · seen 11m ago
Context
272K
Max output
128K
Input $/1M
$0.05
Output $/1M
$0.40
Modalities
text
Released
05 Aug 2025
AI summary
● machine-written
OpenAI releases GPT-5-nano, a lightweight chat model for cost-efficient tasks
GPT-5-nano is a text-based chat model from OpenAI designed for lightweight, high-volume workloads. The model supports a 272K token context window with up to 128K tokens of output. It is positioned as one of the most cost-efficient options in its class, optimized for speed-critical and low-latency tasks including classification, data extraction, and agent execution.
What's new
- Released August 5, 2025 (per API data) / August 7, 2025 (per pricing source)
- 272K token context window with 128K token max output
- Pricing at $0.05 per million input tokens and $0.4 per million output tokens
Best for
Classification and data extractionReal-time systems and background tasksDistributed agent architecturesHigh-volume, low-latency use cases