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GPT-5 Nano
by OpenAI · Language Models
Context 400K tokensVisionReasoning / thinkingFunction calling
by OpenAI · Language Models
The fastest, most cost-efficient GPT-5 reasoning model for summarization, classification, and high-volume lightweight tasks. OpenAI marks this model as deprecated and recommends GPT-5.6 Luna for new workloads.
$0.05 in · $0.4 out · $0.005 cached / 1M
| Usage | Rate (USD) | Unit |
|---|---|---|
| Input tokens | $0.05 | per 1M tokens |
| Cached input (cache hit) | $0.005 | per 1M tokens |
| Output tokens | $0.4 | per 1M tokens |
Official model pricing · currency: USD · pre-deduction settled by actual usage
OpenAI-compatible · base URL https://api.tunerouter.com/v1/
curl https://api.tunerouter.com/v1/chat/completions \
-H "Authorization: Bearer $TUNEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "gpt-5-nano", "messages": [{"role": "user", "content": "Hello!"}]}'Model ID: gpt-5-nano · works with OpenAI SDKs — just point base_url at api.tunerouter.com