# Services from modelaccessgateway.com on Zero

> modelaccessgateway.com serves 26 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/modelaccessgateway.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/modelaccessgateway.com/health.json

## Services

- [Model Access Gateway – Claude Opus 5 Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-claude-opus-5-chat-completions-x402-usdc-6cc59e0b/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions against Claude Opus 5 via a pay-per-call API billed in USDC on Base using the x402 protocol — no account or API key required.
- [Model Access Gateway – Claude Opus 5.5 Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-claude-opus-5-5-chat-completions-x402-usdc-58eb6227/llms.txt): $0.0014/call via x402. Runs a single Claude Opus 5.5 chat completion request via an OpenAI-compatible API, paid per-call in USDC on Base using x402 — no account or API key required.
- [Model Access Gateway – DeepSeek Chat (x402 Pay-Per-Call)](https://www.zero.xyz/c/model-access-gateway-deepseek-chat-x402-pay-per-call-1e15080c/llms.txt): $0.0014/call via x402. Runs a DeepSeek Chat inference call via an OpenAI-compatible chat completions API, billed per call in USDC on Base with no API key required.
- [Model Access Gateway – Claude Sonnet 5.5 (x402 Pay-Per-Call)](https://www.zero.xyz/c/model-access-gateway-claude-sonnet-5-5-x402-pay-per-call-0b849caf/llms.txt): $0.0014/call via x402. Runs an OpenAI-compatible chat completion request against Claude Sonnet 5.5 (Anthropic), paid per call in USDC on Base via x402, with no API key or account required.
- [Model Access Gateway – DeepSeek V4.1 Flash via x402](https://www.zero.xyz/c/model-access-gateway-deepseek-v4-1-flash-via-x402-f9018b6e/llms.txt): $0.001/call via x402. OpenAI-compatible chat completions using DeepSeek V4.1 Flash, paid per-call in USDC on Base via x402 with no API key required
- [Model Access Gateway – Claude Sonnet 5 Chat Completions (x402/USDC)](https://www.zero.xyz/c/model-access-gateway-claude-sonnet-5-chat-completions-x402-usdc-ae23d149/llms.txt): $0.0014/call via x402. Runs an OpenAI-compatible chat completion against Anthropic's Claude Sonnet 5, billed per-call in USDC on Base via x402 — no account or API key required.
- [Model Access Gateway — Claude Haiku 5.5 Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-claude-haiku-5-5-chat-completions-x402-usdc-f641585c/llms.txt): $0.001/call via x402. Runs an OpenAI-compatible chat completion request against Claude Haiku 5.5 (Anthropic), paid per call in USDC on Base via x402 — no API key or account required.
- [Model Access Gateway – Qwen3.8-Max Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-qwen3-8-max-chat-completions-x402-usdc-96e7569e/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions using Alibaba's Qwen3.8-Max model, billed per call in USDC on Base via x402 — no API key or account required.
- [Model Access Gateway – GPT-OSS-120B Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-gpt-oss-120b-chat-completions-x402-usdc-745297f6/llms.txt): $0.001/call via x402. Runs OpenAI-compatible chat completions against the GPT-OSS-120B model, billed per call in USDC on Base via x402 with no account or API key required.
- [Model Access Gateway – Pay-Per-Call LLM Chat Completions (x402/USDC)](https://www.zero.xyz/c/model-access-gateway-pay-per-call-llm-chat-completions-x402-usdc-b1c6696a/llms.txt): $0.0014/call via x402. OpenAI-compatible chat completions API supporting 136 AI models (Claude, GPT, Gemini, DeepSeek, Grok, etc.), paid per call in USDC on Base via x402 with no account or API key required.
- [Model Access Gateway – Llama 3.3 70B Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-llama-3-3-70b-chat-completions-x402-usdc-443fca1c/llms.txt): $0.001/call via x402. Runs OpenAI-compatible chat completions using Meta's Llama 3.3 70B model, paid per-call in USDC via x402 with no API key or account required.
- [Model Access Gateway – DeepSeek Chat (deepseek/deepseek-chat) via x402](https://www.zero.xyz/c/model-access-gateway-deepseek-chat-deepseek-deepseek-chat-via-x402-9a14ccb9/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions using DeepSeek Chat, paid per call in USDC on Base via x402, with no API key or account required.
- [Model Access Gateway – Gemini 3.1 Pro Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-gemini-3-1-pro-chat-completions-x402-usdc-ccc1a251/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions against Google Gemini 3.1 Pro, billed per call in USDC on Base via x402 — no API key or account required.
- [Model Access Gateway – Gemini 2.0 Flash (x402 pay-per-call)](https://www.zero.xyz/c/model-access-gateway-gemini-2-0-flash-x402-pay-per-call-b254612d/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions against Google's Gemini 2.0 Flash model, billed per call in USDC on Base via x402 — no API key or account required.
- [Model Access Gateway – Mistral Large 4 Chat Completions (x402)](https://www.zero.xyz/c/model-access-gateway-mistral-large-4-chat-completions-x402-47f66c33/llms.txt): $0.0023/call via x402. Runs OpenAI-compatible chat completions using Mistral Large 4, paid per call in USDC via x402 with no account or API key required.
- [Model Access Gateway – GPT-5.5 Chat Completions (x402 USDC)](https://www.zero.xyz/c/model-access-gateway-gpt-5-5-chat-completions-x402-usdc-46135043/llms.txt): $0.0014/call via x402. Runs OpenAI GPT-5.5 chat completions via an OpenAI-compatible API, paid per-call in USDC on Base using the x402 protocol — no account or API key required.
- [Model Access Gateway – Kimi K3 Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-kimi-k3-chat-completions-x402-usdc-b0f76a0a/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions against Moonshot's Kimi K3 model, billed per-call in USDC on Base via x402 with no account or API key required.
- [Model Access Gateway – Gemini 2.0 Flash Chat Completions (x402)](https://www.zero.xyz/c/model-access-gateway-gemini-2-0-flash-chat-completions-x402-e881580d/llms.txt): $0.0014/call via x402. OpenAI-compatible chat completions via Google Gemini 2.0 Flash, paid per call in USDC on Base using the x402 protocol — no account or API key required.
- [Model Access Gateway – GLM-5.3 Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-glm-5-3-chat-completions-x402-usdc-78bba063/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions using the GLM-5.3 model, billed per call in USDC on Base via x402 with no account or API key required.
- [Model Access Gateway – Grok 4.7 Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-grok-4-7-chat-completions-x402-usdc-3d52e2d5/llms.txt): $0.0091/call via x402. Runs an OpenAI-compatible chat completion request against xAI's Grok 4.7 model, billed per-call in USDC on Base via x402 with no API key required.
- [Model Access Gateway – MiniMax M3 Chat Completions (x402 USDC)](https://www.zero.xyz/c/model-access-gateway-minimax-m3-chat-completions-x402-usdc-298415ae/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions using the MiniMax M3 model, billed per call in USDC on Base via x402 — no account or API key required.
- [Model Access Gateway – GPT-6 Astra Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-gpt-6-astra-chat-completions-x402-usdc-eec3c903/llms.txt): $0.0019/call via x402. Runs OpenAI-compatible chat completions against GPT-6 Astra, billed per-call in USDC via x402 with no account or API key required.
- [Model Access Gateway – DeepSeek V4 Pro Chat Completions (x402 USDC)](https://www.zero.xyz/c/model-access-gateway-deepseek-v4-pro-chat-completions-x402-usdc-528befa1/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions against DeepSeek V4 Pro, billed per call in USDC on Base via x402 — no account or API key required.
- [Model Access Gateway – Gemini 4 Argon Chat Completions (x402 USDC)](https://www.zero.xyz/c/model-access-gateway-gemini-4-argon-chat-completions-x402-usdc-afe695d8/llms.txt): $0.001/call via x402. Runs OpenAI-compatible chat completions against Google's Gemini 4 Argon model, billed per call in USDC on Base via the x402 protocol — no account or API key required.
- [Model Access Gateway – GPT-6.1-Sol Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-gpt-6-1-sol-chat-completions-x402-usdc-5801caac/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions using the GPT-6.1-Sol model, billed per-call in USDC on Base via x402 with no API key required.
- [Model Access Gateway – GPT-6 Luna Chat Completions (x402, USDC)](https://www.zero.xyz/c/model-access-gateway-gpt-6-luna-chat-completions-x402-usdc-cfa9e717/llms.txt): $0.0014/call via x402. Runs OpenAI-compatible chat completions against the gpt-6-luna model, paid per call in USDC via x402 with no account or API key required.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)