OpenAI › GPT-5 Nano › Pricing
GPT-5 Nano pricing
API list price by OpenAI · same on Azure · checked Oct 23, 2026
$0.05 / $0.40per 1M tokens in / out
$0.005cache read · −90%
#114on OpenRouter by tokens · 51.4B / week
Price sheetper 1M tokens
| Input | $0.05 | list |
| Output | $0.40 | |
| Cache read | $0.005 | −90% vs input |
| Context · max output | 400K · 128K | tokens |
Where to buy2 providers · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| Azure | $0.05 | $0.40 | 400K |
| OpenAIlab | $0.05 | $0.40 | 400K |
In OpenAI's line-upper 1M in / out
| GPT OSS 20B | $0.018 / $0.09 | −74% |
| GPT OSS 120B | $0.03 / $0.15 | −56% |
| GPT OSS Safeguard 20B | $0.07 / $0.20 | −25% |
| GPT-5 Nano | $0.05 / $0.40 | this model |
| GPT-6 Luna | $0.10 / $0.50 | +45% |
| GPT OSS Safeguard 120B | $0.15 / $0.60 | +91% |
| GPT-5.4 Nano (2026-03-17) | $0.20 / $1.25 | 3.4× |
Cheaper for the same workvs GPT-5 Nano at medium
| Ling 3.0 Flash VL thinkingOpen | -35% | score +97% | $0.06 / $0.18 |
| Solar Mini 4 | -36% | score +93% | $0.37 |
| Ling 3.0 Flash Fin thinkingOpen | -35% | score +81% | $0.06 / $0.18 |
| Ling 3.0 Flash thinkingOpen | -35% | score +61% | $0.06 / $0.18 |
| Qwen 3.5 9B non-thinkingOpen | -33% | same score | $0.08 / $0.13 |
Pricing questions
How much does GPT-5 Nano cost?›
$0.05 per 1M input tokens and $0.40 per 1M output tokens on OpenAI's API and Azure. Cached input is $0.005.
Is GPT-5 Nano free to use?›
There is no free API tier.
How much does prompt caching save?›
Cache reads cost $0.005 per 1M, 90% below the input price.
What is a cheaper alternative to GPT-5 Nano?›
Ling 3.0 Flash VL at thinking effort costs -35% per task with a score +97% on Humanity's Last Exam.