OpenAI API Endpoint
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An OpenAI API Endpoint is an API endpoint within OpenAI API that enables developers to access specific OpenAI models or OpenAI services.
- AKA: OpenAI Service Endpoint, OpenAI API Gateway.
- Context:
- It can typically process OpenAI API request through JSON format.
- It can typically require OpenAI API authentication through OpenAI API key.
- It can typically track OpenAI API usage through OpenAI monitoring system.
- It can typically handle OpenAI API error response through HTTP status code.
- It can typically support OpenAI function calling through structured command.
- ...
- It can often integrate with OpenAI SDK through programming language.
- It can often manage OpenAI API rate limit through request quota.
- It can often provide OpenAI API status through OpenAI status page.
- It can often enable OpenAI model fine tuning through custom dataset.
- ...
- It can range from being a Basic OpenAI API Endpoint to being an Advanced OpenAI API Endpoint, depending on its model capability.
- It can range from being a Legacy OpenAI API Endpoint to being a Modern OpenAI API Endpoint, depending on its feature support.
- It can range from being a Single Purpose OpenAI API Endpoint to being a Multi Purpose OpenAI API Endpoint, depending on its task capability.
- ...
- It can have OpenAI model version for compatibility tracking.
- It can have OpenAI API usage tier for pricing management.
- It can have OpenAI moderation check for content safety.
- ...
- Examples:
- OpenAI Language Model API Endpoints, such as:
- OpenAI Chat Completion API Endpoints, such as:
- OpenAI Text Completion API Endpoints, such as:
- OpenAI Specialized API Endpoints, such as:
- OpenAI Utility API Endpoints, such as:
- OpenAI Model Management API Endpoints, such as:
- OpenAI System API Endpoints, such as:
- ...
- OpenAI Language Model API Endpoints, such as:
- Counter-Examples:
- Azure OpenAI Service REST API, which uses azure authentication.
- HuggingFace API, which provides open source models.
- Self-Hosted Model API, which requires local deployment.
- See: OpenAI API, OpenAI API Authentication, OpenAI API Rate Limiting, OpenAI Model Deployment.
References
2025-01-23
- Perplexity.ai
- Question: Please describe the OpenAI API capabilities, including context windows, models, endpoints, and real-time capabilities.
- Answer: The OpenAI API provides several powerful endpoints for text generation and chat interactions through GPT models including o1, o1-mini, GPT-4o, and GPT-4o mini, supporting comprehensive capabilities across text processing, image generation, and audio processing.
- Core API Endpoints:
- Text Generation and Chat:
- Completions for generating text responses.
- Chat completions for conversational interactions.
- Context windows that handle both input tokens and output tokens.
- Text Generation and Chat:
- Multimodal Capabilities:
- Image Generation:
- DALL-E text to image generation with customizable parameters.
- Control over image size (1024x1024 default).
- Multiple image generation per API request.
- Quality and style adjustments.
- Audio Processing:
- Text-to-speech conversion.
- Speech-to-text transcription.
- Audio sentiment analysis.
- Speech-to-speech interactions.
- Image Generation:
- Advanced Features:
- Development Tools:
- Azure Integration:
- REST API access to OpenAI models.
- Virtual network support.
- Microsoft Entra ID integration.
- Content filtering for prompts and completions.
- LLM Tools:
- Multi-modal inputs including image inputs, audio inputs, and video inputs.
- Plugin systems for model integration.
- CLI tools for terminal interactions.
- API access through multiple programming languages.
- Azure Integration:
- Model-Specific Context Windows:
- GPT-4O and O1 Models:
- GPT-4o has a 128k token context window.
- o1-preview and o1-mini have 128k context window for API use.
- In ChatGPT, o1 models are limited to 32k context window.
- Output Limitations:
- Maximum output tokens are capped at 4,096 tokens regardless of context window size.
- o1-preview has a 32,768 token output limit, while o1-mini has 65,536.
- GPT-4O and O1 Models:
- Platform-Specific Limitations:
- ChatGPT Tiers:
- Free tier: approximately 8k tokens.
- ChatGPT Plus and Teams: 32k tokens.
- Enterprise: 128k tokens.
- ChatGPT Tiers:
- Technical Considerations:
- Token Management:
- The context window includes both input tokens and output tokens combined.
- When context window is exceeded, the first tokens are dropped.
- Rate Limits:
- Tier 5: 10,000 requests (o1-preview), 30,000 requests (o1-mini).
- Tier 4: 10,000 requests for both models.
- Tier 3: 5,000 requests for both models.
- Token Management:
- Real-time Capabilities:
- Realtime API (Beta):
- Low-latency streaming via WebSocket connections.
- Direct speech-to-speech communication.
- Voice Activity Detection (VAD).
- Support for interruptions and real-time adjustments.
- Chat Completions API with Audio:
- Handles combined text input and audio inputs.
- Powered by GPT-4o-audio-preview model.
- Flexible output format in text, audio, or both formats.
- Realtime API (Beta):
- Performance Notes:
- Actual Performance:
- Reliable performance may vary up to 60k tokens.
- Increased context window primarily benefits input processing.
- Output generation remains more constrained.
- Actual Performance:
- Core API Endpoints:
- Citations:
[1] https://platform.openai.com/docs/models [2] https://kanerika.com/blogs/openai-api/ [3] https://learn.microsoft.com/fi-fi/azure/ai-services/openai/reference [4] https://learn.microsoft.com/en-us/azure/ai-services/openai/overview?WT.mc_id=DT-MVP-5001664 [5] https://platform.openai.com/docs/guides/audio [6] https://platform.openai.com/docs/concepts/tokens [7] https://platform.openai.com/docs/examples/default-summarize [8] https://simonwillison.net/2024/Oct/29/llm-multi-modal/ [9] https://platform.openai.com/docs/api-reference [10] https://www.reddit.com/r/ChatGPT/comments/1ctfaoq/context_window_limit_on_chatgpt_for_gpt4o/ [11] https://community.openai.com/t/seem-to-be-unable-to-reach-context-limit-in-my-api-request/823010 [12] https://community.openai.com/t/what-is-the-token-context-window-size-of-the-gpt-4-o1-preview-model/954321 [13] https://help.openai.com/en/articles/9949624-realtime-api [14] https://platform.openai.com/docs/guides/realtime [15] https://www.parloa.com/resources/blog/how-openai-realtime-api-is-shaping-customer-support/
2024
- https://platform.openai.com/docs/models
- NOTES:
- It can include models like:
- GPT-4o: OpenAI’s flagship model designed for complex, multi-step tasks. It supports text and image inputs with a context length of 128,000 tokens, generating text twice as fast as GPT-4 Turbo and at a lower cost per token.
- GPT-4o Mini: A smaller, more affordable variant of GPT-4o, designed for lightweight, fast tasks. It offers similar multimodal capabilities but is optimized for speed and lower cost, with a context window of 128,000 tokens.
- o1-Preview and o1-Mini: A new series of reasoning models using reinforcement learning to solve complex problems. The o1-Preview model handles harder reasoning tasks, while o1-Mini is optimized for faster, cheaper performance in math, coding, and science tasks.
- Continuous Model Upgrades: OpenAI continuously updates model versions, like GPT-4o-latest, allowing developers to use the latest versions in production. Developers can also contribute evaluations via OpenAI Evals to help improve models for different use cases.
- Model Context Windows: OpenAI API models, such as GPT-4o, support large context windows of up to 128,000 tokens, allowing for long and complex inputs and outputs in a single API request.
- Model Pricing Tiers: OpenAI provides a variety of models with different pricing points, from high-performance models like GPT-4o to more affordable options like GPT-4o Mini. Each model is designed to cater to different computational needs and budgets.
- DALL·E: OpenAI’s image generation model, capable of creating and editing images based on natural language prompts. The latest iteration, DALL·E 3, offers improved resolution and image fidelity compared to previous versions.
- Text-to-Speech (TTS) Models: OpenAI’s TTS models, including tts-1 and tts-1-hd, convert text into natural-sounding spoken audio. They can be used for real-time speech synthesis applications.
- Whisper Model: A general-purpose speech recognition model, Whisper is available through the OpenAI API and excels at multilingual speech recognition, translation, and language identification. It is optimized for faster inference when used via the API.
- Embeddings API: OpenAI’s Embeddings API converts text into numerical vectors for use in search, recommendation systems, anomaly detection, and clustering. The latest models, such as text-embedding-3-large, improve performance across both English and non-English tasks.
- Moderation Models: OpenAI’s Moderation API helps detect unsafe or sensitive content based on categories like hate speech, violence, and self-harm. The API processes up to 32,768 tokens in each moderation check and provides high accuracy in text classification.
- NOTES: Model endpoint compatibility
Endpoint | Model name | Description |
---|---|---|
/v1/chat/completions | gpt-4, gpt-4o, gpt-4o-mini, gpt-3.5-turbo | Supports both text and image inputs with the latest chat completion features. |
/v1/completions | text-davinci-003, text-davinci-002, text-curie-001, text-babbage-001, text-ada-001 | Legacy completions endpoint used for traditional text completions. |
/v1/edits | text-davinci-edit-001, code-davinci-edit-001 | Used for editing or inserting text based on instructions. |
/v1/audio/transcriptions | whisper-1 | Converts speech into text using the Whisper model. |
/v1/audio/translations | whisper-1 | Translates speech into different languages using the Whisper model. |
/v1/fine-tunes | gpt-4o, gpt-4o-mini, gpt-3.5-turbo, davinci, curie, babbage, ada | Enables fine-tuning models for specific tasks. |
/v1/embeddings | text-embedding-3-large, text-embedding-3-small, text-embedding-ada-002 | Converts text into numerical vectors for use in search, recommendation, and classification systems. |
/v1/moderations | text-moderation-stable, text-moderation-latest | Used to detect unsafe or sensitive content in text. |
/v1/images/generations | dall-e-2, dall-e-3 | Generates or edits images based on text prompts using the DALL·E models. |
/v1/audio/speech | tts-1, tts-1-hd | Converts text into natural-sounding spoken audio using the Text-to-Speech (TTS) models. |
2024
- GPT-4
- The OpenAI API provides developers with endpoints that offer access to powerful AI models for various tasks. These include model completions, chat completions, embeddings, and more. The API also supports function calling for complex tasks and is governed by rate limits and pricing tiers. More details on the OpenAI API can be found in the official documentation. <a href="https://platform.openai.com/docs/models">More details</a>.
- Model Endpoints: The OpenAI API provides model endpoints like Chat Completions, Text Completions, and Function Calling, which can be leveraged for Natural Language Processing (NLP), data analysis, and content creation. More details are available in the official OpenAI API documentation: <a href="https://platform.openai.com/docs/api-reference/chat/create">More details</a>.
- Function Calling Capability: This feature allows developers to transform natural language commands into structured API requests or SQL queries, enabling automation directly from user input. <a href="https://platform.openai.com/docs">More details</a>.
- Rate Limits and Usage Tiers: OpenAI provides several pricing models based on usage, ensuring scalability for both small developers and enterprise-level applications. <a href="https://platform.openai.com/docs">More details</a>.
- Accessibility and Ethics: OpenAI enforces responsible use of the API, limiting access and ensuring compliance with safety standards to prevent misuse. <a href="https://openai.com/api">More details</a>.
- The OpenAI API provides developers with endpoints that offer access to powerful AI models for various tasks. These include model completions, chat completions, embeddings, and more. The API also supports function calling for complex tasks and is governed by rate limits and pricing tiers. More details on the OpenAI API can be found in the official documentation. <a href="https://platform.openai.com/docs/models">More details</a>.
2023
- https://platform.openai.com/docs/models/gpt-3
- Model endpoint compatibility
Endpoint | Model name | |
---|---|---|
/v1/chat/completions | gpt-4, gpt-4-0314, gpt-4-32k, gpt-4-32k-0314, gpt-3.5-turbo, gpt-3.5-turbo-0301 | |
/v1/completions | text-davinci-003, text-davinci-002, text-curie-001, text-babbage-001, text-ada-001, davinci, curie, babbage, ada | |
/v1/edits | text-davinci-edit-001, code-davinci-edit-001 | |
/v1/audio/transcriptions | whisper-1 | |
/v1/audio/translations | whisper-1 | |
/v1/fine-tunes | davinci, curie, babbage, ada | |
/v1/embeddings | text-embedding-ada-002, text-search-ada-doc-001 | |
/v1/moderations | text-moderation-stable, text-moderation-latest |