모델 선택,
가격, 출시 메모.
AI 제품을 만드는 팀을 위한 실무 메모입니다. 모델 비교, token 비용 추정, 다음 단계 판단에 도움이 됩니다.
콘텐츠 허브
프로덕트와 플랫폼 팀을 위한 판단 메모
NextModel 블로그는 무엇을 다루나?
NextModel 블로그는 API 비용 추정, OpenRouter 스타일 대안 비교, 저비용 중국어 모델 평가, 운영 캐시 전 LLM 재사용 안전성 판단 같은 실무적인 AI 모델 의사결정을 다룹니다.
Product · 2026-08-31
One API, every model — watch the NextModel tour
A 50-second tour of NextModel: one OpenAI-compatible API that routes across providers, passes upstream prompt-cache hits through 1:1 at official cached rates, and anchors a receipt to every request.
Model routing · 2026-07-01
LLM Router: How It Works and Top Alternatives
An LLM router sends each request to a model based on cost, latency, or capability. Compare approaches, then try one with a free API key.
Model routing · 2026-07-01
LLM Gateway: Compare Options and Alternatives
Compare LLM gateway options: routing, cache, failover, receipts, and what NextModel actually does with OpenAI-compatible traffic.
Caching · 2026-07-01
Semantic Caching for LLM APIs: A Practical Guide
Semantic caching reuses stored LLM responses for prompts with similar meaning, not just identical text. Learn how it works, when to use it, and how to tune it.
Provenance · 2026-07-01
AI Provenance: What It Is and Why It Matters
AI provenance means knowing which model produced an output and proving it later. See what a receipt records and how NextModel supports ai provenance today.
Operations · 2026-07-01
LLM Observability: Metrics, Traces, and Gateway Setup
LLM observability tracks latency, cost, errors, and traces across every model call. See the key metrics and how a gateway enables it without custom code.
벤치마킹 · 2026-05-27
Bad Hit Rate: 모든 LLM 캐시가 봐야 하는 지표
LLM 응답 재사용을 평가할 때 왜 Safe Hit Rate와 Bad Hit Rate가 원시 히트율보다 중요한가.
모델 가이드 · 2026-05-21
Doubao Seed 2.0 Mini API 가이드: 가격, 사용 사례, OpenAI 호환 호출
NextModel을 통해 Doubao Seed 2.0 Mini를 쓰는 개발자 가이드. 가격, 적합한 사용 사례, 빠른 시작 코드를 정리했습니다.
모델 라우팅 · 2026-05-21
AI API 비용 통제가 필요한 개발자를 위한 OpenRouter 대안
팀이 예산, BYOK, 팀 사용량, 국내 모델 소스까지 필요할 때 OpenRouter 스타일의 멀티모델 접근을 어떻게 평가할지.
비용 관리 · 2026-05-21
출시 전에 AI API 비용을 추정하는 방법
입력 token, 출력 token, 요청량, 모델 가격으로 모델 지출을 추정하는 실용적인 방법.
Model review · 2026-08-16
GPT-5 Mini cache safety review: 80% Safe Hit Rate on NextModel
First-party CacheSafety numbers for openai/gpt-5-mini: 50 prompts, 80% Safe Hit Rate, 0% Bad Hit Rate, and what we did not measure.
Model news · 2026-08-16
GPT-5 is listed on NextModel: price, context, and the id you call
OpenAI GPT-5 is in the NextModel catalog at 1.25 / 10 per million tokens, with a 400k context window. CacheSafety for this exact id is still unmeasured.
Model news · 2026-08-16
DeepSeek V4 Flash CN on NextModel: 1 input, unpublished context
DeepSeek V4 Flash CN is listed at 0.14 / 0.28 per million tokens for Chinese workloads. Context window and cache safety stay unpublished.
Model review · 2026-08-16
GLM-5 CN cache safety review: family data only, CN still unmeasured
The live catalog id is z-ai/glm-5-cn. The only CacheSafety row is for base GLM-5: 30% Safe Hit Rate, 0% Bad Hit Rate. The CN variant itself is unmeasured.
Model news · 2026-08-16
Claude Sonnet 5 is listed on NextModel: 1M context, cache scores unpublished
Anthropic Claude Sonnet 5 is in the NextModel catalog at 2 / 10 per million tokens, with a 1,000,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Gemini 3.5 Flash is listed on NextModel: 1,048,576 context, no cache row
Google Gemini 3.5 Flash is listed at 1.50 / 9 per million tokens with a 1,048,576 token context window. First-party cache scores are unpublished.
Model news · 2026-08-16
Kimi K3 is listed on NextModel: 1,048,576 context, cache scores unpublished
MoonshotAI Kimi K3 is listed at 2.95 / 14.71 per million tokens with a 1,048,576 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
GPT-5 Nano is listed on NextModel: 0.05 input, 400k context
OpenAI GPT-5 Nano is in the NextModel catalog at 0.05 / 0.40 per million tokens, with a 400,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Claude Opus 5 is listed on NextModel: 1M context, cache scores unpublished
Anthropic Claude Opus 5 is listed at 5 / 25 per million tokens, with a 1,000,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Gemini 3 Flash Preview is listed on NextModel: 1,048,576 context
Google Gemini 3 Flash Preview is listed at 0.5 / 3 per million tokens, with a 1,048,576 token context window. First-party cache scores are unpublished.
Model news · 2026-08-16
Kimi K2.5 CN is listed on NextModel: 0.58 input, unpublished context
MoonshotAI Kimi K2.5 CN is listed at 0.58 / 3.02 per million tokens. Context window and CacheSafety for this exact id stay unpublished.
Model news · 2026-08-16
GPT-5 Pro is listed on NextModel: 15 input, 400k context
OpenAI GPT-5 Pro is in the NextModel catalog at 15 / 120 per million tokens, with a 400,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Claude Haiku 4.5 is listed on NextModel: 1 input, 200k context
Anthropic Claude Haiku 4.5 is listed at 1 / 5 per million tokens, with a 200,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Gemini 3.1 Flash Lite is listed on NextModel: 0.25 input, 1,048,576 context
Google Gemini 3.1 Flash Lite is listed at 0.25 / 1.50 per million tokens, with a 1,048,576 token context window. First-party cache scores are unpublished.
Model news · 2026-08-16
DeepSeek V4 PRO CN is listed on NextModel: 1.65 input, unpublished context
DeepSeek V4 PRO CN is listed at 1.65 / 3.31 per million tokens for Chinese workloads. Context window and CacheSafety stay unpublished.
Model news · 2026-08-16
GPT-5.4 is listed on NextModel: 2.50 input, 1,050,000 context
OpenAI GPT-5.4 is in the NextModel catalog at 2.50 / 15 per million tokens, with a 1,050,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
GPT-5.5 is listed on NextModel: 5 input, 1,050,000 context
OpenAI GPT-5.5 is listed at 5 / 30 per million tokens, with a 1,050,000 token context window. First-party cache scores are unpublished.
Model news · 2026-08-16
GLM 5.1 CN is listed on NextModel: 0.83 input, unpublished context
Zhipu GLM 5.1 CN is listed at 0.83 / 3.31 per million tokens. Context window and CacheSafety for this exact id stay unpublished.
Model news · 2026-08-16
GLM 5.2 CN is listed on NextModel: 1.18 input, unpublished context
Zhipu GLM 5.2 CN is listed at 1.18 / 4.12 per million tokens. Context window and CacheSafety for this exact id stay unpublished.
Model news · 2026-08-16
Claude Sonnet 4.6 is listed on NextModel: 1M context, cache scores unpublished
Anthropic Claude Sonnet 4.6 is listed at 3 / 15 per million tokens, with a 1,000,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Gemini 2.5 Flash is listed on NextModel: 0.30 input, 1,048,576 context
Google Gemini 2.5 Flash is listed at 0.30 / 2.50 per million tokens, with a 1,048,576 token context window. First-party cache scores are unpublished.
Model news · 2026-08-16
Doubao Seed 2.0 Lite is listed on NextModel: 0.09 input, unpublished context
Doubao Seed 2.0 Lite is listed at 0.09 / 0.5330 per million tokens. Context window and CacheSafety for this exact id stay unpublished.
Model news · 2026-08-16
DeepSeek V3.2 CN is listed on NextModel: 0.29 input, unpublished context
DeepSeek V3.2 CN is listed at 0.29 / 0.44 per million tokens. Context window and CacheSafety for this exact id stay unpublished.
Model news · 2026-08-16
Claude Sonnet 4.5 is listed on NextModel: 1M context, cache scores unpublished
Anthropic Claude Sonnet 4.5 is listed at 3 / 15 per million tokens, with a 1,000,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Gemini 3.5 Flash Lite is listed on NextModel: 0.30 input, 1,048,576 context
Google Gemini 3.5 Flash Lite is listed at 0.30 / 2.50 per million tokens, with a 1,048,576 token context window. First-party cache scores are unpublished.
Model news · 2026-08-16
GPT-4o-mini is listed on NextModel: 0.15 input, 128k context
OpenAI GPT-4o-mini is listed at 0.15 / 0.6 per million tokens, with a 128,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Doubao Seed 2.1 Turbo is listed on NextModel: 0.45 input, unpublished context
Doubao Seed 2.1 Turbo is listed at 0.45 input per million tokens. Context window and CacheSafety for this exact id stay unpublished.
Model news · 2026-08-16
GPT-4o is listed on NextModel: 2.50 input, 128k context
OpenAI GPT-4o is listed at 2.50 / 10 per million tokens, with a 128,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
GPT-4.1 is listed on NextModel: 2 input, 1,047,576 context
OpenAI GPT-4.1 is listed at 2 input per million tokens, with a 1,047,576 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
GPT-5.1 is listed on NextModel: 1.25 input, 400k context
OpenAI GPT-5.1 is listed at 1.25 input per million tokens, with a 400,000 token context window. CacheSafety for this exact id is unpublished.
Model news · 2026-08-16
Kimi K2.6 CN is listed on NextModel: 0.9 input, unpublished context
MoonshotAI Kimi K2.6 CN is listed at 0.9 input per million tokens. Context window and CacheSafety for this exact id stay unpublished.
모델 뉴스 · 2026-09-05
GPT-6 Astra NextModel 등록: 100만 토큰 컨텍스트, 컴퓨터 조작, 하나의 API
openai/gpt-6-astra가 백만 토큰당 입력 $10 / 출력 $50, 1,050,000 컨텍스트 윈도우로 등록되었습니다. 272K 토큰 초과 시 요금이 달라집니다. 사양·가격·미검증 사항 정리.
모델 비교 · 2026-09-05
GPT-6 Astra vs GPT-5.6 Sol: 2배 업그레이드가 값을 하는 순간
Astra는 $10/$50, Sol은 $5/$30 표시 가격이고 둘 다 1,050,000 토큰 윈도우입니다. OpenAI의 장문 컨텍스트 벤치마크가 업그레이드가 빛나는 지점과 그렇지 않은 지점을 보여줍니다.
모델 비교 · 2026-09-05
GPT-6 Astra vs Claude Fable 5.1: 출시 주간 논쟁 읽는 법
출시 주간 보도는 GPT-6 Astra와 Claude Fable 5.1을 범용 인덱스 점수로 맞붙입니다. 실제로 공개된 것은 무엇이고, 이 논쟁을 자체 트래픽으로 A/B 테스트하는 방법은 무엇일까요.
가격 · 2026-09-05
GPT-6 Astra 가격 해설: 272K 절벽, 캐시, 계산 예시
GPT-6 Astra는 백만 토큰당 $10/$50——그러다 prompt가 272K 토큰을 넘으면 $20/$75로 두 배가 됩니다. 이 숫자의 의미와 캐시가 결정적으로 되는 순간.
가이드 · 2026-09-05
GPT-6 Astra로 마이그레이션: 모델 id, Responses API, 롤백 계획
gpt-5.x에서 openai/gpt-6-astra로의 전환은 OpenAI 호환 게이트웨이에서 문자열 하나 바꾸기입니다. 여기에 출력 한도, 구간 요금, 그리고 미리 설계해 둘 폴백 경로까지 더했습니다.
엔지니어링 · 2026-09-05
프로덕션의 100만 컨텍스트: GPT-6 Astra 검색 점수가 실제로 얻어 주는 것
OpenAI의 MRCR v2 결과는 GPT-6 Astra가 512K 토큰을 넘어도 96.3% 니들 검색을 유지한다고 보여줍니다. RAG 대 장문 컨텍스트 판단에 주는 의미, 그리고 이 점수가 다루지 않는 것.
가이드 · 2026-09-05
예산 안에서 GPT-6 Astra 쓰기: 캐시, 라우팅, 그리고 정말 중요할 때만 내는 프론티어 요금
프론티어 가격이 평균 단가일 필요는 없습니다. $1 캐시 히트, 272K 미만 prompt 규율, 일상 작업을 더 싼 카탈로그 경로로 돌리는 라우팅이 Astra 지출을 정상으로 유지합니다.
Community · 2026-09-06
What early testers are actually doing with GPT-6 Astra
Nine verified launch-week quotes on GPT-6 Astra: a code-review win, harness-dependent benchmarks, uneven computer use, and mixed verdicts on price.