# Services from openai.mm.family on Zero

> openai.mm.family serves 52 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/openai.mm.family
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/openai.mm.family/health.json

## Services

- [OpenAI Image Generation via mm.family (x402)](https://www.zero.xyz/c/openai-image-generation-via-mm-family-x402-375bc3fb/llms.txt): $0.003473/call via x402. Generates images from text prompts using OpenAI image models (gpt-image-1, gpt-image-2, gpt-image-2.5, etc.), paid per call in USDC via x402 protocol, returning base64-encoded PNG/JPEG/WebP.
- [OpenAI Embeddings via mm.family (x402)](https://www.zero.xyz/c/openai-embeddings-via-mm-family-x402-f4bf639d/llms.txt): $0.001/call via x402. Generates vector embeddings for text using OpenAI models (text-embedding-3-large, text-embedding-3-small, or text-embedding-ada-002), billed per call in USDC via x402 protocol
- [OpenAI GPT-4o Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-4o-chat-completions-x402-usdc-5d604be1/llms.txt): $0.001027/call via x402. Runs GPT-4o chat completions via a pay-per-call USDC micropayment gateway, billed on token usage with Standard or Fast service tiers.
- [OpenAI gpt-image-1 Image Generation (x402)](https://www.zero.xyz/c/openai-gpt-image-1-image-generation-x402-86f97fdb/llms.txt): $0.005973/call via x402. Generates images from text prompts using OpenAI's gpt-image-1 model, paid per call in USDC via x402 protocol, returning base64-encoded PNG/JPEG/WebP images.
- [OpenAI o4-mini Chat Completions (x402)](https://www.zero.xyz/c/openai-o4-mini-chat-completions-x402-f596b153/llms.txt): $0.001/call via x402. Runs OpenAI o4-mini reasoning model chat completions with per-call USDC micropayment via x402 protocol, supporting adjustable reasoning effort and service tiers.
- [OpenAI text-embedding-3-small (via mm.family x402)](https://www.zero.xyz/c/openai-text-embedding-3-small-via-mm-family-x402-c4c966d1/llms.txt): $0.001/call via x402. Generates text embeddings using OpenAI's text-embedding-3-small model, billed per call in USDC via the x402 payment protocol
- [OpenAI TTS-1 Text-to-Speech (x402)](https://www.zero.xyz/c/openai-tts-1-text-to-speech-x402-cdca78c3/llms.txt): $0.001/call via x402. Converts text to speech audio using OpenAI's TTS-1 model, billed per call in USDC via x402 micropayment protocol
- [OpenAI Text to Speech (TTS) via x402](https://www.zero.xyz/c/openai-text-to-speech-tts-via-x402-5f2bca15/llms.txt): $0.001/call via x402. Converts text to spoken audio using OpenAI TTS models (gpt-4o-mini-tts, tts-1, tts-1-hd), returning audio bytes paid per call in USDC via x402
- [OpenAI ChatGPT Image Latest (via mm.family x402)](https://www.zero.xyz/c/openai-chatgpt-image-latest-via-mm-family-x402-71cc3c5f/llms.txt): $0.006295/call via x402. Generates images from text prompts using OpenAI's chatgpt-image-latest model, billed per call in USDC via the x402 payment protocol, returning base64-encoded PNG/JPEG/WebP output.
- [OpenAI TTS-1-HD (High Definition Text-to-Speech)](https://www.zero.xyz/c/openai-tts-1-hd-high-definition-text-to-speech-b35ff4b5/llms.txt): $0.001/call via x402. Converts text to high-definition audio speech using OpenAI's TTS-1-HD model, returning audio bytes in formats like MP3, OPUS, AAC, FLAC, WAV, or PCM, paid per call in USDC.
- [OpenAI GPT-4.1 Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-4-1-chat-completions-x402-usdc-de902e98/llms.txt): $0.001/call via x402. Runs GPT-4.1 chat completions via a pay-per-call USDC gateway using the x402 payment protocol, with configurable service tiers (standard, fast, flex).
- [OpenAI GPT-4o Mini Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-4o-mini-chat-completions-x402-usdc-c286d6da/llms.txt): $0.001/call via x402. Send a chat conversation to GPT-4o-mini and receive an AI-generated text response, billed per call in USDC via x402 micropayments.
- [OpenAI chat-latest via mm.family (x402)](https://www.zero.xyz/c/openai-chat-latest-via-mm-family-x402-37cb9798/llms.txt): $0.002068/call via x402. Sends a chat completion request to the latest OpenAI chat model, billed per call in USDC via x402 micropayment protocol
- [OpenAI GPT-4.1 Mini Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-4-1-mini-chat-completions-x402-usdc-a391e488/llms.txt): $0.001/call via x402. Runs OpenAI GPT-4.1 Mini chat completions via an x402 pay-per-call USDC micropayment gateway, with configurable service tiers (standard/fast) and optional tool use.
- [OpenAI GPT-4.1 Nano Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-4-1-nano-chat-completions-x402-usdc-234fd66d/llms.txt): $0.001/call via x402. Runs GPT-4.1 Nano chat completions via a pay-per-call x402 USDC micropayment gateway, billed at $0.10/$0.40 per 1M tokens in/out (standard tier)
- [OpenAI GPT-4o Mini TTS (Text-to-Speech)](https://www.zero.xyz/c/openai-gpt-4o-mini-tts-text-to-speech-db1bc07e/llms.txt): $0.001/call via x402. Converts text input into spoken audio using OpenAI's gpt-4o-mini-tts model, returning binary audio bytes in formats like MP3, with support for custom voice instructions and speed control.
- [OpenAI GPT-5 Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-5-chat-completions-x402-usdc-70ef2325/llms.txt): $0.001/call via x402. Runs GPT-5 chat completions via a pay-per-call x402 API billed in USDC, with configurable service tiers and quality levels
- [OpenAI GPT-5.1 Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-5-1-chat-completions-x402-usdc-05587275/llms.txt): $0.001/call via x402. Runs OpenAI GPT-5.1 chat completions via a pay-per-call USDC gateway, with selectable service tiers (Flex, Standard, Fast) and reasoning levels
- [OpenAI GPT-5.2 Chat Completions (x402)](https://www.zero.xyz/c/openai-gpt-5-2-chat-completions-x402-b6c7bc0a/llms.txt): $0.001/call via x402. Provides OpenAI GPT-5.2 chat completions via pay-per-call USDC billing with configurable service tiers (Flex, Standard, Fast) and reasoning levels.
- [OpenAI GPT-5.4 Chat Completions (x402)](https://www.zero.xyz/c/openai-gpt-5-4-chat-completions-x402-01fd86ce/llms.txt): $0.001/call via x402. Runs GPT-5.4 chat completions with up to 272K input tokens, billed per call in USDC via x402 protocol with configurable service tiers.
- [OpenAI GPT-5.4-Mini Chat Completions (x402)](https://www.zero.xyz/c/openai-gpt-5-4-mini-chat-completions-x402-efead12c/llms.txt): $0.001/call via x402. Provides GPT-5.4-Mini chat completions via a pay-per-call x402 API with tiered pricing (Flex/Standard/Fast) and optional reasoning effort levels
- [OpenAI GPT-5.5 Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-5-5-chat-completions-x402-usdc-d842ef21/llms.txt): $0.001284/call via x402. Runs GPT-5.5 chat completions with up to 272K input tokens, billed per call in USDC via the x402 protocol with configurable service tiers.
- [OpenAI GPT-5.5 Long Context Chat Completions (via mm.family x402)](https://www.zero.xyz/c/openai-gpt-5-5-long-context-chat-completions-via-mm-family-x402-c3626d07/llms.txt): $0.001682/call via x402. Provides OpenAI GPT-5.5 chat completions for prompts exceeding 272K input tokens, billed per call in USDC via the x402 payment protocol with configurable quality tiers.
- [OpenAI GPT-5.6 Luna Chat Completions (x402, USDC)](https://www.zero.xyz/c/openai-gpt-5-6-luna-chat-completions-x402-usdc-c554fa8d/llms.txt): $0.001/call via x402. Runs chat completions against the GPT-5.6-Luna model (up to 272K input tokens) with pay-per-call billing in USDC via the x402 protocol.
- [OpenAI GPT-5 Nano Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-5-nano-chat-completions-x402-usdc-87a378f8/llms.txt): $0.001/call via x402. Runs OpenAI GPT-5 Nano chat completions via a pay-per-call x402 API billed in USDC, with selectable quality levels and service tiers.
- [OpenAI Multi-Model Chat Completions via mm.family (x402)](https://www.zero.xyz/c/openai-multi-model-chat-completions-via-mm-family-x402-0c56e7c6/llms.txt): $0.001/call via x402. Provides pay-per-call access to 25+ OpenAI chat models (GPT-4.1 through GPT-6.1-sol, o-series) via the x402 payment protocol, billed in USDC
- [OpenAI GPT-6 Astra Chat Completions (via mm.family x402)](https://www.zero.xyz/c/openai-gpt-6-astra-chat-completions-via-mm-family-x402-b53058d4/llms.txt): $0.00181/call via x402. Provides GPT-6 Astra chat completions with up to 272K input tokens, billed per call in USDC via x402 payment protocol with selectable service tiers
- [OpenAI GPT-Image-1.5 via mm.family (x402)](https://www.zero.xyz/c/openai-gpt-image-1-5-via-mm-family-x402-e39d4a84/llms.txt): $0.00559/call via x402. Generates images from text prompts using OpenAI's gpt-image-1.5 model, paid per call in USDC via x402 protocol, returning base64-encoded PNG/JPEG/WebP output.
- [OpenAI gpt-image-1-mini Image Generation](https://www.zero.xyz/c/openai-gpt-image-1-mini-image-generation-7ae6f912/llms.txt): $0.003016/call via x402. Generates images from text prompts using OpenAI's GPT Image 1 Mini model, returning base64-encoded PNG/JPEG/WebP output, paid per call in USDC via x402.
- [OpenAI gpt-image-2 Image Generation (x402)](https://www.zero.xyz/c/openai-gpt-image-2-image-generation-x402-ff991ddb/llms.txt): $0.003473/call via x402. Generates images from text prompts using OpenAI's GPT-Image-2 model, returning base64-encoded PNG/JPEG/WebP, paid per call in USDC via x402.
- [OpenAI gpt-image-2.5-flare Image Generation](https://www.zero.xyz/c/openai-gpt-image-2-5-flare-image-generation-9f2b5b04/llms.txt): $0.003473/call via x402. Generates images from text prompts using OpenAI's GPT Image 2.5 Flare model, returning base64-encoded PNG/JPEG/WebP via x402 micropayment.
- [OpenAI GPT Image 2.5 Sunburst via mm.family](https://www.zero.xyz/c/openai-gpt-image-2-5-sunburst-via-mm-family-8ee04b37/llms.txt): $0.003473/call via x402. Generates images from text prompts using OpenAI's GPT Image 2.5 Sunburst model, billed per call in USDC via x402 payment protocol, returning base64-encoded PNG/JPEG/WebP output.
- [OpenAI o1 Chat Completions (x402 USDC)](https://www.zero.xyz/c/openai-o1-chat-completions-x402-usdc-8ef04ee6/llms.txt): $0.003658/call via x402. Runs OpenAI o1 reasoning model chat completions with per-call USDC micropayment billing via x402 protocol
- [OpenAI o3 Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-o3-chat-completions-x402-usdc-52e0c9ed/llms.txt): $0.001/call via x402. Runs OpenAI o3 reasoning model chat completions, billed per call in USDC via x402 micropayment protocol with configurable reasoning effort and service tiers.
- [OpenAI o3-mini via mm.family (x402)](https://www.zero.xyz/c/openai-o3-mini-via-mm-family-x402-8fe460b2/llms.txt): $0.001/call via x402. Runs OpenAI o3-mini reasoning model chat completions billed per-call in USDC via x402 micropayment protocol, with selectable reasoning effort levels (low/medium/high/xhigh).
- [OpenAI text-embedding-3-large (via mm.family x402)](https://www.zero.xyz/c/openai-text-embedding-3-large-via-mm-family-x402-e2487aea/llms.txt): $0.001/call via x402. Generates high-dimensional vector embeddings for text using OpenAI's text-embedding-3-large model, billed per call in USDC via x402 micropayments.
- [OpenAI text-embedding-ada-002 Embeddings (x402/USDC)](https://www.zero.xyz/c/openai-text-embedding-ada-002-embeddings-x402-usdc-2db0191c/llms.txt): $0.001/call via x402. Generates vector embeddings for text using OpenAI's text-embedding-ada-002 model, billed per call in USDC via the x402 payment protocol.
- [OpenAI GPT-5 Mini Chat Completions (x402)](https://www.zero.xyz/c/openai-gpt-5-mini-chat-completions-x402-5e2b33b3/llms.txt): $0.001/call via x402. Provides GPT-5 Mini chat completions via a pay-per-call x402 API, billed in USDC with tiered pricing by speed and quality level.
- [OpenAI gpt-5.4-long Chat Completions (via mm.family x402)](https://www.zero.xyz/c/openai-gpt-5-4-long-chat-completions-via-mm-family-x402-a4da5ee3/llms.txt): $0.001091/call via x402. Runs GPT-5.4 chat completions for long-context inputs (>272K tokens), billed per call in USDC via x402 micropayment protocol
- [OpenAI GPT-5.4-Nano Chat Completions (x402/USDC)](https://www.zero.xyz/c/openai-gpt-5-4-nano-chat-completions-x402-usdc-7f4bb1f7/llms.txt): $0.001/call via x402. Runs GPT-5.4-Nano chat completions via a pay-per-call x402 endpoint billed in USDC, with Flex and Standard pricing tiers and optional reasoning levels.
- [OpenAI GPT-5.6 Luna Long (>272K context) Chat Completions](https://www.zero.xyz/c/openai-gpt-5-6-luna-long-272k-context-chat-completions-4fa305a7/llms.txt): $0.001/call via x402. Provides paid chat completions using OpenAI GPT-5.6 Luna model with extended context (>272K input tokens), billed per call in USDC via x402 protocol
- [OpenAI GPT 5.6 Sol Chat Completions (via mm.family x402)](https://www.zero.xyz/c/openai-gpt-5-6-sol-chat-completions-via-mm-family-x402-c30959d1/llms.txt): $0.001024/call via x402. Runs GPT-5.6-Sol chat completions (up to 272K input tokens) billed per-call in USDC via the x402 payment protocol, with Flex/Standard/Fast service tiers and configurable reasoning levels.
- [OpenAI gpt-5.6-sol-long Chat Completions (Long Context)](https://www.zero.xyz/c/openai-gpt-5-6-sol-long-chat-completions-long-context-c7c886b1/llms.txt): $0.001291/call via x402. Serves GPT-5.6 Sol chat completions for prompts exceeding 272K input tokens, billed per call in USDC via x402
- [OpenAI gpt-6.1-sol-long (Long-Context Chat Completions)](https://www.zero.xyz/c/openai-gpt-6-1-sol-long-long-context-chat-completions-3e233cec/llms.txt): $0.001/call via x402. Runs OpenAI GPT-6.1 Sol chat completions with >272K input token context, billed per call in USDC via x402 protocol
- [OpenAI GPT-6 Astra Long (>272K context) via mm.family](https://www.zero.xyz/c/openai-gpt-6-astra-long-272k-context-via-mm-family-3d608899/llms.txt): $0.002477/call via x402. Pay-per-call OpenAI GPT-6 Astra chat completions for long-context inputs (>272K tokens), billed in USDC with configurable speed/cost tiers
- [OpenAI GPT-6 Luna Chat Completions (x402, ≤272K tokens)](https://www.zero.xyz/c/openai-gpt-6-luna-chat-completions-x402-272k-tokens-ebb0fffa/llms.txt): $0.001/call via x402. Runs GPT-6 Luna chat completions (up to 272K input tokens) via a pay-per-call x402 USDC-billed API with selectable speed/quality tiers
- [OpenAI GPT-6 Luna Long (>272K Context) Chat Completions](https://www.zero.xyz/c/openai-gpt-6-luna-long-272k-context-chat-completions-0be4906d/llms.txt): $0.001/call via x402. Provides GPT-6 Luna chat completions with over 272K input token context window, billed per call in USDC via x402 protocol with tiered service levels.
- [OpenAI GPT-6 Sol Chat Completions (x402/USDC)](https://www.zero.

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