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GPT-5.6 Luna — fast, low-cost frontier model (Artificial Analysis Intelligence Index 51.2, GPQA Diamond 91.1%). Best fo…

GPT-5.6 Terra — balanced frontier model (Intelligence Index 55.0, GPQA Diamond 92.5%, Terminal-Bench Hard 57.6%). Best …

Send a conversation to a model and get a completion back. Works exactly like the OpenAI chat completions endpoint. Pass…

Frontier chat completions via Telnyx Inference (MiniMax M2.7). OpenAI-compatible. $0.002856 USDC per call — no API key,…

x402engine — Generate text embeddings using OpenAI text-embedding-3-small — for semantic search, clustering, RAG

x402engine — OpenAI's flagship multimodal model — strong all-around for text, vision, and reasoning

x402engine — OpenAI's cheapest GPT-5 tier — ultra-affordable for high-volume agent tasks

x402engine — OpenAI's efficient flagship model — strong all-around performance at lower cost than GPT-5.2

OpenAI's latest flagship model — top-tier reasoning, coding, and multimodal capabilities

x402engine — OpenAI's code-specialized reasoning model — optimized for software engineering tasks

x402engine — OpenAI's premium reasoning model — extended thinking for complex math, science, and coding problems

x402engine — OpenAI's SOTA agentic coding model — best-in-class for software engineering and code generation