GPT-5.4 Nano pricing and routing profile
GPT-5.4 Nano from OpenAI lists at $0.20 per million input tokens and $1.25 per million output tokens, with a 400,000-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingStructured outputReasoning control
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.133 |
| Chat reply (2,000 in, 400 out) | $0.90 |
| Retrieval-augmented answer (8,000 in, 500 out) | $2.23 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Not as a first-answer model through OpenRouter: no host returns token log probabilities for GPT-5.4 Nano. It can still be the model Gimbix falls back to when a cheaper model is unsure.
Cheaper models that can answer first
Models priced below GPT-5.4 Nano that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Qwen3.6 Flash | $0.188 / $1.13 | 8% |
| Qwen3 Coder Flash | $0.195 / $0.975 | 13% |
| Qwen3 Next 80B A3B Thinking | $0.15 / $1.20 | 13% |
| Qwen3.6 35B A3B | $0.15 / $1.00 | 22% |
| Qwen3 Next 80B A3B Instruct | $0.10 / $1.10 | 29% |
| Llama 4 Maverick | $0.188 / $0.652 | 29% |
Compare GPT-5.4 Nano
- GPT-5.4 Nano vs Claude Opus 5.5
- GPT-5.4 Nano vs Claude Sonnet 5
- GPT-5.4 Nano vs Claude Fable 5.1
- GPT-5.4 Nano vs Claude Opus 5
- GPT-5.4 Nano vs GPT-6 Sol
- GPT-5.4 Nano vs GPT-6 Astra
- GPT-5.4 Nano vs GPT-5.6 Sol
- GPT-5.4 Nano vs GPT-5.6 Terra
- GPT-5.4 Nano vs GPT-5.5
- GPT-5.4 Nano vs GPT-5.4
- GPT-5.4 Nano vs Gemini 3.1 Pro Preview
- GPT-5.4 Nano vs Gemini 3.8 Flash
- GPT-5.4 Nano vs Grok 4.7
- GPT-5.4 Nano vs Qwen3.8 Max (0902)
- GPT-5.4 Nano vs Kimi K3
- GPT-5.4 Nano vs GLM 5.3
- GPT-5.4 Nano vs DeepSeek V4 Pro 0423
- GPT-5.4 Nano vs Mistral Large 3 2512
- GPT-5.4 Nano vs Nova Premier 1.0
- GPT-5.4 Nano vs Command A
- GPT-5.4 Nano vs GPT-6 Luna
- GPT-5.4 Nano vs GPT-5.6 Luna
- GPT-5.4 Nano vs GPT-5.4 Mini
- GPT-5.4 Nano vs GPT-4.1 Mini
- GPT-5.4 Nano vs gpt-oss-120b
- GPT-5.4 Nano vs gpt-oss-20b
- GPT-5.4 Nano vs Claude Haiku 4.5
- GPT-5.4 Nano vs Gemini 3.5 Flash Lite
- GPT-5.4 Nano vs Gemma 4 31B
- GPT-5.4 Nano vs DeepSeek V4.1 Flash
- GPT-5.4 Nano vs DeepSeek V4 Flash 0731
- GPT-5.4 Nano vs GLM 5.3 Flash
- GPT-5.4 Nano vs Hy4 preview
- GPT-5.4 Nano vs MiMo-V2.6-Flash
- GPT-5.4 Nano vs Nemotron 3.5 Lightning
- GPT-5.4 Nano vs Nemotron 3 Ultra
- GPT-5.4 Nano vs Qwen3.8 Flash
- GPT-5.4 Nano vs Qwen3.7 Flash
- GPT-5.4 Nano vs Qwen3.8 27B
- GPT-5.4 Nano vs MiniMax M3
- GPT-5.4 Nano vs Kimi K2.6
- GPT-5.4 Nano vs Mistral Small 4
- GPT-5.4 Nano vs Ministral 3 8B 2512
- GPT-5.4 Nano vs Llama 4 Maverick
- GPT-5.4 Nano vs Llama 3.3 70B Instruct
- GPT-5.4 Nano vs Nova Lite 1.0
- GPT-5.4 Nano vs Nova Micro 1.0
- GPT-5.4 Nano vs Command R7B (12-2024)
- GPT-5.4 Nano vs Phi 4
Questions
How much does GPT-5.4 Nano cost?
GPT-5.4 Nano lists at $0.20 per million input tokens and $1.25 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $0.90 per 1,000 requests.
What is the context window of GPT-5.4 Nano?
400,000 tokens.
Can a cheaper model replace GPT-5.4 Nano?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match GPT-5.4 Nano on one half of your requests and make at most three answers worse on the other.