만들기 전에 무료 LLM API를 검증하는 실전 체크리스트
프로바이더에 의존하기 전에 무료 LLM API의 이용 조건·테스트 근거·운영 한도를 확인하는 개발자 체크리스트.
한국어로 읽기 가능
글 읽기 →블로그 · 가이드 · 검증된 AI 뉴스
만들 수 있는 것이 바뀌는 AI 변화를 추적합니다.
신청 절차·설정·안전성·무료 조건 변화에 유용한 1차 정보를 모읍니다. 각 글의 원문 언어를 명시합니다.
영어 원문
일부 글은 한국어로 읽을 수 있고, 나머지는 영어 원문으로 연결됩니다.
번역되지 않은 원문을 한국어 글인 것처럼 보여주지 않습니다.
OpenAI 호환 API: 「그대로 갈아끼울 수 있다」고 부르기 전에 테스트할 것
요청 형태·응답 의미론·오류·한도, 그리고 애플리케이션이 실제로 의존하는 기능에 대한 실전 호환성 테스트.
한국어로 읽기 가능
글 읽기 →모델 수가 아니라 근거로 무료 AI API를 비교하는 방법
검증된 접근, 쓸 수 있는 한도, 호환성, 실패 동작, 변경 리스크로 무료 AI API를 비교합니다. 모델 디렉터리의 크기가 아닙니다.
한국어로 읽기 가능
글 읽기 →모델 출시는 이전 계획이 아닙니다: 전환하기 전에 테스트할 것
출시·미리보기·별칭 변경·종료 통지를 분류하고, 재현 가능한 계약 테스트로 AI 애플리케이션을 이전합니다.
한국어로 읽기 가능
글 읽기 →GPT-5.6와 Gemini 3.7 Flash: 날짜를 명시한 API 이전 체크리스트
2026년 8월 출시 기록을 현재 공식 문서에 맞춰 갱신했습니다. 이전 전에 모델 ID, 인터페이스, 계정 한도와 대표 테스트를 확인하세요.
한국어로 읽기 가능
글 읽기 →Ox Alpha 미리보기 이후: 정체, 가격, 데이터 보존 확인
OpenRouter가 Ox Alpha를 Z.AI GLM-5.3-Flash로 공개했습니다. 이용 전에 모델 경로, 가격과 데이터 보존 조건을 다시 확인하세요.
한국어로 읽기 가능
글 읽기 →무료 API 장애에도 멈추지 않는 AI Agent 설계
Agent 상태·모델 라우팅·도구 권한·API 키를 분리해 프로바이더 장애나 쿼터 변경이 전체 흐름을 중단하지 않게 합니다.
한국어로 읽기 가능
글 읽기 →이미지·오디오·동영상 앱을 위한 API 선택법
텍스트 모델 순위가 아니라 입력·출력·전송 방식·Fallback 요건으로 멀티모달 API를 선택하세요.
한국어로 읽기 가능
글 읽기 →Recursive: Flint (free) is now listed as a free model on OpenRouter
Recursive: Flint (free) (recursive/flint-v1.0:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →MiniMax M3.1 Flash added to OpenRouter free tier
OpenRouter has listed the MiniMax M3.1 Flash model with a free pricing suffix, making it available for use through the platform's free model endpoints.
Official sourceIndependent audit
영어 원문 읽기 →MiniMax: MiniMax M3.1 Flash (free) is now listed as a free model on OpenRouter
MiniMax: MiniMax M3.1 Flash (free) (minimax/minimax-m3.1-flash:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →XingChen: Xing4.0 29B A4B (free) is now listed as a free model on OpenRouter
XingChen: Xing4.0 29B A4B (free) (xingchen-agi/xing4.0-29b-a4b:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →NVIDIA: Nemotron 3.5 Super VL (free) is now listed as a free model on OpenRouter
NVIDIA: Nemotron 3.5 Super VL (free) (nvidia/nemotron-3.5-super-vl:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →inclusionAI: Ling 3.1 Flash is now listed as a free model on OpenRouter
inclusionAI: Ling 3.1 Flash (inclusionai/ling-3.1-flash) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Apodex: Apodex 1.1 Mini (free) is now listed as a free model on OpenRouter
Apodex: Apodex 1.1 Mini (free) (apodex/apodex-1.1-mini:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Space Bunny Alpha is now listed as a free model on OpenRouter
Space Bunny Alpha (stealth/space-bunny-alpha) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →DeepSeek: DeepSeek V4 Flash 0731 (free) is now listed as a free model on OpenRouter
DeepSeek: DeepSeek V4 Flash 0731 (free) (deepseek/deepseek-v4-flash-0731:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Qwen: Qwen3.8 27B (free) is now listed as a free model on OpenRouter
Qwen: Qwen3.8 27B (free) (qwen/qwen3.8-27b:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Union Alpha is now listed as a free model on OpenRouter
Union Alpha (stealth/union-alpha) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Z.ai: GLM 5.2 (free) is now listed as a free model on OpenRouter
Z.ai: GLM 5.2 (free) (z-ai/glm-5.2:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →inclusionAI: Ling 3.0 Flash VL (free) is now listed as a free model on OpenRouter
inclusionAI: Ling 3.0 Flash VL (free) (inclusionai/ling-3.0-flash-vl:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Nex AGI adds Nex-N2.5-Mini and Nex-N2.5-Pro to OpenRouter free tier
OpenRouter has added two new models from Nex AGI, Nex-N2.5-Mini and Nex-N2.5-Pro, to its free API tier.
Official sourceIndependent audit
영어 원문 읽기 →Nex AGI: Nex-N2.5-Pro (free) is now listed as a free model on OpenRouter
Nex AGI: Nex-N2.5-Pro (free) (nex-agi/nex-n2.5-pro:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Nex AGI: Nex-N2.5-Mini (free) is now listed as a free model on OpenRouter
Nex AGI: Nex-N2.5-Mini (free) (nex-agi/nex-n2.5-mini:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →inclusionAI Ling 3.0 Flash Sante added to OpenRouter
OpenRouter has added the inclusionAI Ling 3.0 Flash Sante model to its API catalog. The model is available with a free tier and supports a context length of 262,144 tokens.
Official sourceIndependent audit
영어 원문 읽기 →inclusionAI: Ling 3.0 Flash Sante (free) is now listed as a free model on OpenRouter
inclusionAI: Ling 3.0 Flash Sante (free) (inclusionai/ling-3.0-flash-sante:free) was detected with zero prompt, completion and request pricing in the official OpenRouter catalog. Review the access paths before building on it.
Official sourceIndependent audit
영어 원문 읽기 →Groq adds Qwen/Qwen3.8-27B to supported models
Groq has added the Qwen/Qwen3.8-27B model to its list of supported preview models, with a token speed of 450 tps, a context window of 131,042 tokens, and a maximum completion length of 16,384 tokens.
Official sourceIndependent audit
영어 원문 읽기 →Ox Alpha After the Preview: Identity, Pricing, and Retention
The Ox Alpha preview has changed: OpenRouter now identifies it as Z.AI GLM-5.3-Flash. Recheck the model route, price and data-retention terms before using it.
Official sourcesHuman checked
영어 원문 읽기 →GPT-5.6 and Gemini 3.7 Flash: A Dated API Migration Checklist
A record of the August 2026 releases, refreshed with current official model guidance: verify model IDs, interfaces, account limits and workload tests before migrating.
Official sourcesHuman checked
영어 원문 읽기 →Choosing an API for Image, Audio and Video Applications
Select multimodal APIs by input, output, transport and fallback requirements—not by a text-model leaderboard.
Official sourcesHuman checked
영어 원문 읽기 →Designing an AI Agent That Can Survive a Free API Failure
Separate agent state, model routing, tool permissions and API keys so a provider outage or quota change does not stop the whole workflow.
Official sourcesHuman checked
영어 원문 읽기 →A Model Release Is Not a Migration Plan: What to Test Before You Switch
Separate launches, previews, alias changes and shutdown notices, then migrate an AI application with a reproducible contract test.
Official sourcesHuman checked
영어 원문 읽기 →LiquidAI LFM2.5-2.6B added to OpenRouter free tier
OpenRouter has added the LiquidAI LFM2.5-2.6B model to its free API access list, providing developers with a new zero-cost option for inference tasks.
Official sourceIndependent audit
영어 원문 읽기 →Z.ai GLM 5.2 added to OpenRouter free tier
OpenRouter has added Z.ai GLM 5.2 as a free model option, providing developers with access to this model without cost via the OpenRouter API.
Official sourceIndependent audit
영어 원문 읽기 →OpenRouter adds Dots Studio Dots3-Note Preview to free tier
OpenRouter has added the Dots Studio Dots3-Note Preview model to its free API access list. The model supports a context length of 512,000 tokens.
Official sourceIndependent audit
영어 원문 읽기 →How to Compare Free AI APIs Using Evidence Instead of Model Count
Compare free AI APIs by verified access, usable limits, compatibility, failure behavior, and change risk—not the size of a model directory.
Official sourcesHuman checked
영어 원문 읽기 →OpenAI-Compatible APIs: What to Test Before Calling Them Drop-In Compatible
A practical compatibility test for request shape, response semantics, errors, limits, and the features your application actually depends on.
Official sourcesHuman checked
영어 원문 읽기 →A Practical Checklist for Verifying a Free LLM API Before You Build
A developer checklist for verifying free LLM API access, testing evidence, and checking operational limits before relying on a provider.
Official sourcesHuman checked
영어 원문 읽기 →A Five-Check Smoke Test for an OpenAI-Compatible Endpoint
A compact sequence for separating interface compatibility from authentication, generation, and production-readiness claims.
Measured locallyHuman checked
영어 원문 읽기 →Local ChatGPT2API Smoke Test: What Worked
A bounded record of one authenticated local completion—and the reliability and production questions it cannot answer.
Measured locallyHuman checked
영어 원문 읽기 →How to create an NVIDIA NIM API key
The current official signup path, account requirements and the safe next step after the key is created.
Official pathPractical steps
영어 원문 읽기 →Cerebras starter credits require payment verification
What the current starter-credit rule changes for users expecting a no-card free API route.
Official sourceAccess impact
영어 원문 읽기 →Connect an OpenAI-compatible provider to Codex
Where compatibility ends, how to keep the key local and when an adapter is required.
ConfigurationKey safety
영어 원문 읽기 →