LLM API
LLM API
OpenAI-compatible 및 Anthropic-compatible 프로토콜로 Felo 모델 endpoint를 호출하세요.
/api/v1/models인증
Bearer API key or X-API-Key
Content type
application/json
속도 제한
Model service limits may apply. Retry with backoff on 429 or 503.
LLM API 은 Felo API Platform から direct model calling endpoints 를提供します。general-purpose language models 를呼び出す、OpenAI-compatible / Anthropic-compatible clients 를再利用する、agent frameworks 를接続する場合에사용합니다。
POST /api/v1/responses: OpenAI Responses compatiblePOST /api/v1/chat/completions: OpenAI Chat Completions compatiblePOST /api/v1/messages: Anthropic Messages compatible
인증
Authorization: Bearer YOUR_API_KEYBase URL
https://openapi.felo.aiAnthropic SDK で은 https://openapi.felo.ai/api 를사용합니다。
Model Discovery
GET https://openapi.felo.ai/api/v1/models모델 및 가격
| Model ID | Context | Max output | Input / 1M tokens | Output / 1M tokens | Cache read / 1M tokens | Cache write / 1M tokens |
|---|---|---|---|---|---|---|
claude-haiku-4-5 | 200K | 64K | $1.00 | $5.00 | $0.10 | $1.25 |
claude-sonnet-4-6 | 1M | 128K | $3.00 | $15.00 | $0.30 | $3.75 |
claude-opus-4-8 | 1M | 128K | $5.00 | $25.00 | $0.50 | $6.25 |
claude-sonnet-5 | 1M | 128K | $2.00 | $10.00 | $0.20 | $2.50 |
gpt-5.5 | 1.05M | 128K | $5.00 | $30.00 | $0.50 | - |
gpt-5.5-pro | 1.05M | 128K | $30.00 | $180.00 | - | - |
gpt-5.6-luna | 1.05M | 128K | $1.00 | $6.00 | $0.10 | $1.25 |
gpt-5.6-terra | 1.05M | 128K | $2.50 | $15.00 | $0.25 | $3.125 |
gpt-5.6-sol | 1.05M | 128K | $5.00 | $30.00 | $0.50 | $6.25 |
grok-4.5 | 500K | - | $2.00 | $6.00 | $0.50 | - |
GPT-5.6은 세 가지 티어로 제공됩니다. Luna는 빠르고 비용 효율적인 워크로드에, Terra는 coding, 추론, agentic task의 균형형에, Sol은 복잡한 추론과 coding을 위한 flagship 티어에 적합합니다. 각 티어는 동일한 기반 모델을 pro reasoning mode로 사용하는 -pro model ID(gpt-5.6-luna-pro, gpt-5.6-terra-pro, gpt-5.6-sol-pro)도 제공합니다. -pro ID의 가격, 컨텍스트 길이, 최대 출력은 동일합니다.
Basic Usage
export FELO_API_KEY="YOUR_API_KEY"import Anthropic from "@anthropic-ai/sdk";
const client = new Anthropic({
apiKey: process.env.FELO_API_KEY,
baseURL: "https://openapi.felo.ai/api",
});Protocol Reference
응답s
POST https://openapi.felo.ai/api/v1/responsesChat Completions
POST https://openapi.felo.ai/api/v1/chat/completionsMessages
POST https://openapi.felo.ai/api/v1/messagesClaude Code setup 은 Claude Code Configuration 를참조하세요。