--- title: OpenAI: GPT 5.4 Mini API | Text Generation | ModelsLab description: Build with OpenAI: GPT 5.4 Mini API by Openai. Text generation, chat, code, and reasoning. Pay-per-use. Free tier. url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.4-mini/api.md canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.4-mini/api.md type: product component: Playground/LLM/Index generated_at: 2026-05-13T08:41:10.622212Z --- OpenAI: GPT-5.4 Mini --- [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-5.4-mini/llms.txt) [.md](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.4-mini.md) openai-gpt-5.4-mini openai Closed Source Model $2.625000 / call OpenAI: GPT-5.4 Mini --- Choose a prompt below to get started or type your own message Explain quantum computing in simple terms Write a Python function to sort a list Create a marketing email for a SaaS product Compare REST vs GraphQL APIs Send ### OpenAI: GPT-5.4 Mini openai openai-gpt-5.4-mini Copy model ID PricingInput $0.75 / 1M tokens Output $4.50 / 1M tokens API EndpointsOpenAI Compatible `https://modelslab.com/api/v7/llm/chat/completions`Endpoint Anthropic Compatible `https://modelslab.com/api/v7/llm/v1/messages`Messages `https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens `https://modelslab.com/api/v7/llm/v1/models`Models Use with Claude Code cURL Example ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses. Temperature0.7 Max Tokens1000 Top P0.9 Frequency Penalty0 Presence Penalty0 Model Info Support Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [GG](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-3.1-flash-lite)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [Google: Gemini 3.1 Flash Lite Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-3.1-flash-lite) [DC](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/deepseek-ai-deepseek-coder-33b-instruct)[Together AI](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai) [Deepseek Coder 33B Instruct Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/deepseek-ai-deepseek-coder-33b-instruct) [M8](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/mistralai-Mixtral-8x7B-Instruct-v0.1-FP8-Lora)[Together AI](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai) [Mixtral 8x7B Instruct V0.1 FP8 Lora Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/mistralai-Mixtral-8x7B-Instruct-v0.1-FP8-Lora) [OG](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-4.1-mini)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [OpenAI: GPT-4.1 Mini Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-4.1-mini) [AA](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/aion-labs-aion-1.0)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [AionLabs: Aion-1.0 Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/aion-labs-aion-1.0) [DD](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/deepseek-deepseek-chat-v3.1)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [DeepSeek: DeepSeek V3.1 Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/deepseek-deepseek-chat-v3.1) [QQ](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-8b)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [Qwen: Qwen3 8B Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-8b) [MS](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/mistralai-Magistral-Small-2506)[Together AI](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai) [Magistral Small 2506 Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/mistralai-Magistral-Small-2506) [DR](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/deepseek-ai-DeepSeek-R1-Distill-Qwen-14B)[Together AI](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai) [DeepSeek R1 Distill Qwen 14B Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/deepseek-ai-DeepSeek-R1-Distill-Qwen-14B) [OG](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-latest)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [OpenAI GPT Latest Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-latest) [ML](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/meta-llama-Meta-Llama-3-8B-Instruct-Lite)[Together AI](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai) [Meta Llama 3 8B Instruct Lite Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/meta-llama-Meta-Llama-3-8B-Instruct-Lite) [OG](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-4o)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [OpenAI: GPT-4o Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-4o) [G3](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google_deepmind/google-gemma-3n-E4B-it)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google_deepmind) [Gemma 3N E4B Instruct Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google_deepmind/google-gemma-3n-E4B-it) [GG](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-2.5-pro-preview-05-06)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [Google: Gemini 2.5 Pro Preview 05-06 Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-2.5-pro-preview-05-06) [AA](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/arcee_ai/arcee-ai-coder-large)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/arcee_ai) [Arcee AI Coder-Large Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/arcee_ai/arcee-ai-coder-large) [![Gemini 2.5 Pro](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/ede9a278-de62-47fb-a53d-99ee4c7b7abc.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google/gemini-2.5-pro)[Google](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google) [Gemini 2.5 Pro Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google/gemini-2.5-pro) [G2](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/google-gemma-2-27b-it)[Together AI](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai) [Gemma-2 Instruct (27B) Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/together_ai/google-gemma-2-27b-it) [CC](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/cohere-command-a)[Open Router](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [Cohere: Command A Closed Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/cohere-command-a) About OpenAI: GPT-5.4 Mini --- GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,... ### Technical Specifications Model IDopenai-gpt-5.4-miniCategoryLLM ModelsTaskText GenerationPrice$2.625000 per million tokensAddedMarch 17, 2026 ### Key Features - Chat completion and multi-turn conversation API - Streaming response with token-by-token output - Function calling and tool use support - System prompts and role-based messaging - JSON mode and structured output ### Quick Start Integrate OpenAI: GPT-5.4 Mini into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v7/llm/chat/completions" headers = { "Content-Type": "application/json" } data = { "model_id": "openai-gpt-5.4-mini", "messages": [ { "role": "user", "content": "Hello!" } ], "max_tokens": 1000, "key": "YOUR_API_KEY" } try: response = requests.post(url, headers=headers, json=data) response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX) result = response.json() print("API Response:") print(json.dumps(result, indent=2)) except requests.exceptions.HTTPError as http_err: print(f"HTTP error occurred: {http_err} - {response.text}") except Exception as err: print(f"Other error occurred: {err}") ``` View the [full API documentation](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.4-mini/api) for SDKs, code examples in Python, JavaScript, and more. ### Pricing OpenAI: GPT-5.4 Mini API costs $2.625000 per million tokens. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) ### Use Cases - AI chatbots and virtual assistants - Code generation and developer tools - Content writing and copywriting automation - Data analysis, summarization, and extraction [Learn more about OpenAI: GPT-5.4 Mini](https://modelslab-frontend-v2-927501783998.us-east4.run.app/openai-gpt-54-mini) [Browse LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [More from Openai](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) OpenAI: GPT-5.4 Mini FAQ --- ### What is OpenAI: GPT-5.4 Mini? GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,... ### How do I use the OpenAI: GPT-5.4 Mini API? You can integrate OpenAI: GPT-5.4 Mini into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "openai-gpt-5.4-mini" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does OpenAI: GPT-5.4 Mini cost? OpenAI: GPT-5.4 Mini costs $2.625000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started. ### What is the OpenAI: GPT-5.4 Mini model ID? The model ID for OpenAI: GPT-5.4 Mini is "openai-gpt-5.4-mini". Use this ID in your API requests to specify this model. ### Does OpenAI: GPT-5.4 Mini have a free tier? Yes, ModelsLab offers a free tier that lets you try OpenAI: GPT-5.4 Mini and other AI models. Sign up to get free API credits and start building immediately. --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-05-13*