Calculate the cost of using gpt-5-nano from OpenAI for your AI applications
Pricing data last updated:
Mode: Chat
Max: 272,000 tokens
Max: 128,000 tokens
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gpt-5-nano is a chat model from OpenAI, one of 100 chat models they offer. It is priced at $0.05 per 1M input tokens and $0.40 per 1M output tokens, ranking 88 out of 2292 chat models by cost and cheaper than 95% of models in this category. gpt-5-nano supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 272K-token context window is in the top 18% among chat models.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 272,000 input tokens. The maximum output length is 128,000 tokens.
At $0.05 per 1M input tokens and $0.40 per 1M output tokens, gpt-5-nano ranks 88 out of 2292 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 95% of models in this category.
gpt-5-nano is one of 100 OpenAI chat models, with support for vision, function calling, reasoning, web search, prompt caching, structured output. its 272K-token context window places it in the top 18% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gpt-5-nano |
|---|---|---|---|---|
| gpt-5-nano-2025-08-07 | Azure | $0.06 | $0.44 | +10% |
| gpt-5-nano | Azure | $0.05 | $0.40 | 0% |
| gpt-5-nano | OpenRouter | $0.05 | $0.40 | 0% |
Similar chat models from other providers
Yes. gpt-5-nano costs $0.05 per 1M input tokens compared to gpt-5-nano-2025-08-07's $0.06 per 1M input tokens, making it 10% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output.
gpt-5-nano input pricing is $0.05 per 1M tokens, which is 91% below the median of $0.55 for chat models. It ranks 88 out of 2292 chat models by input cost, making it cheaper than 95% of models in this category. For output, it costs $0.40 per 1M tokens compared to the median of $1.50.
Among OpenAI's 100 chat models, gpt-5-nano ranks 1 by input cost. It is the most affordable OpenAI model with web search support.
The most comparable chat models to gpt-5-nano are: gpt-5-nano-2025-08-07 from Azure ($0.06/1M input tokens); gpt-5-nano from Azure ($0.05/1M input tokens); gpt-5-nano from OpenRouter ($0.05/1M input tokens); glm-4.7-flash from OpenRouter ($0.06/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
Yes. At $0.05 per 1M input tokens, gpt-5-nano is the most affordable chat model that supports web search. This makes it a strong option for web search-dependent workloads where cost efficiency matters.
gpt-5-nano supports up to 272,000 input tokens, placing it in the top 18% of chat models by context window size (rank 376 of 2159). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
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gpt-5-nano is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.05 and generating 1M output tokens costs $0.40.
