Last refreshed 2026-05-11. Next refresh: weekly.
Why use GPT-5.4 Nano on OpenRouter?
OpenRouter offers GPT-5.4 Nano with pay-as-you-go pricing at $0.20/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare GPT-5.4 Nano across 3 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: openai/gpt-5.4-nanoopenai/gpt-5.4-nanoRequest example
openai/gpt-5.4-nano.Gotchas
- Use provider model ID "openai/gpt-5.4-nano", not the LLMReference slug "gpt-5.4-nano".
Compare GPT-5.4 Nano Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenAI API | $0.20 | $1.25 |
| OpenRouter | $0.20 | $1.25 |
| Vercel AI Gateway | $0.20 | $1.25 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.20 |
| Output tokens | $1.25 |
Capabilities
About GPT-5.4 Nano
GPT-5.4 Nano is the smallest and fastest variant in the GPT-5.4 family, optimized for edge deployment and low-latency tasks. Model ID: gpt-5.4-nano.
FAQ
What does GPT-5.4 Nano cost on OpenRouter?
On OpenRouter, GPT-5.4 Nano costs $0.2 per 1M input tokens and $1.25 per 1M output tokens.
What is the context window for GPT-5.4 Nano on OpenRouter?
GPT-5.4 Nano supports a 400k token context window on OpenRouter.
How does OpenRouter compare to other GPT-5.4 Nano providers?
GPT-5.4 Nano is available from 3 providers. The cheapest input pricing is $0.20/1M tokens from OpenAI API.
What API model ID do I use for GPT-5.4 Nano on OpenRouter?
Use the model ID openai/gpt-5.4-nano when calling OpenRouter's API.
Who created GPT-5.4 Nano?
GPT-5.4 Nano was created by OpenAI as part of the GPT-5.4 model family.
Is GPT-5.4 Nano open source?
GPT-5.4 Nano is not open source; the seed data lists it as proprietary.