OpenAI / openai/gpt-5-nano
GPT-5 nano - access through LLMTR
Designed for simple decisions, tagging, filtering, and short transformations at high throughput. Ideal when you want the cheapest GPT-5 path for lightweight workloads.
Technical specifications
| Canonical ID | openai/gpt-5-nano |
|---|---|
| Provider | OpenAI |
| Context window | 128,000 tokens |
| Operations | CHAT_COMPLETIONS |
| Modalities | text, image, audio |
Pricing
An 8% platform margin applies to credit top-ups; model usage prices are not separately marked up.
| Operation | Metric | Unit | Price |
|---|---|---|---|
| CHAT_COMPLETIONS | INPUT_TEXT | PER_1M_TOKENS | $0.050000 |
| CHAT_COMPLETIONS | OUTPUT_TEXT | PER_1M_TOKENS | $0.400000 |
Example usage
With existing OpenAI SDK flows, change only the base URL and model identifier.
curl https://llmtr.com/v1/chat/completions -H "Authorization: Bearer llmtr-your_key" -H "Content-Type: application/json" -d '{"model":"openai/gpt-5-nano","messages":[{"role":"user","content":"Hello"}]}'Guides about this model
- Nanbeige4.2 3B vs GPT-5 nano: choosing a small model - Both models are called on LLMTR through /v1/chat/completions with the same API key. Nanbeige4.2 3B is hosted in Turkey and costs $1.00 input and $3.00 output per 1M tokens. GPT-5 nano costs $0.05 input and $0.40 output, reads images and does not carry LLMTR's Turkey hosting mark. OpenAI shuts GPT-5 nano down on 11 December 2026; after that date GPT-6 Luna can be used on LLMTR.
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