💡 Official 0-Cost Tier · Supports 256K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
apodex/apodex-1.1-mini:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Official 0-Cost Tier · Supports 500K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
dots-studio/dots-3-note-preview:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Official 0-Cost Tier · Supports 64K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
liquid/lfm-2.5-2.6b:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Official 0-Cost Tier · Supports 1024K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
thinkingmachines/inkling-small:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Official 0-Cost Tier · Supports 256K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
poolside/laguna-s-2.1:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Official 0-Cost Tier · Supports 1024K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
thinkingmachines/inkling:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Official 0-Cost Tier · Supports 256K Context · Daily Auto-Refilled Free Quota
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
poolside/laguna-xs-2.1:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Tailored for code generation & auto-completion · 250K context · Precise syntax following
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
cohere/north-mini-code:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register regular OpenRouter account and generate API Key on Keys page
💡 英伟达官方原生微服务 · 125K 上下文 · 高速吞吐与长文本推理
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
nvidia/nemotron-3.5-content-safety:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 英伟达官方原生微服务 · 250K 上下文 · 高速吞吐与长文本推理
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 谷歌开源新架构 · 256K 上下文 · 多语言与指令遵循表现优异
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
google/gemma-4-26b-a4b-it:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 英伟达官方原生微服务 · 256K 上下文 · 高速吞吐与长文本推理
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
nvidia/nemotron-3-super-120b-a12b:free
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register a standard OpenRouter account to generate a free API Key on the Keys page
💡 Premier foundation model · Native OpenAI-compatible API · Ultra-low first-token latency
Endpoint Base URL:
https://open.bigmodel.cn/api/paas/v4
Model Recommended Model ID:
glm-4-flash
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [No Card Required] Official permanent free tier for developers with unlimited calls
💡 NVIDIA GPU acceleration · Full access to Llama 3.3 and Nemotron · Enterprise-grade performance
Endpoint Base URL:
https://integrate.api.nvidia.com/v1
Model Recommended Model ID:
meta/llama-3.3-70b-instruct
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [No Card Required] Sign up on NVIDIA website to receive 1,000 free API credits
💡 Open source 8.8k Star community fleet · Direct connection without proxy · Ideal for automation scripts
Endpoint Base URL:
https://api.chatanywhere.org/v1
Model Recommended Model ID:
gpt-4o-mini
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Registration Required] Public community key, copy the key below directly to run
PUBLIC KEY sk-free-chatanywhere-community-backup-2026
💡 Geek self-hosted open relay · Full DeepSeek architecture · Zero authentication barrier
Endpoint Base URL:
https://free.aurora-ai.io/v1
Model Recommended Model ID:
deepseek-chat
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [Arbitrary Key] No sign-up required. Fill in any string as API Key (e.g. sk-community)
💡 Tencent Cloud backbone ultra-fast response · Standard OpenAI protocol · Superb Chinese reasoning
Endpoint Base URL:
https://api.hunyuan.cloud.tencent.com/v1
Model Recommended Model ID:
hunyuan-lite
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [Scan to Access] Lite version permanently free by Tencent, new accounts get 1M tokens
💡 Cognitive LLM infrastructure · Native standard OpenAI compatible base URL
Endpoint Base URL:
https://spark-api-open.xf-yun.com/v1
Model Recommended Model ID:
lite
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [Sign-up Without Card] Official permanent free tier for Lite models
💡 Alibaba premium cloud network · Industry benchmark Qwen series · Seamless integration
Endpoint Base URL:
https://dashscope.aliyuncs.com/compatible-mode/v1
Model Recommended Model ID:
qwen-plus
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [No Card Required] Activate to receive 1M to 4M tokens with 180-day validity
💡 Automated gateway · Single model ID automatically fails over across 15+ free models · 200K context
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
openrouter/free
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register regular OpenRouter account and generate API Key on Keys page
💡 Google's open-weights architecture · 262K context · Outstanding reasoning and multilingual proficiency
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
google/gemma-4-31b-it:free
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Card Required] Call directly with a standard OpenRouter account, daily quota refreshed
💡 NVIDIA 550B parameter powerhouse · 1 Million Token context window · Effortless long-text synthesis
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
nvidia/nemotron-3-ultra-550b-a55b:free
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Card Required] Zero-barrier registration to generate unified Key, daily refreshes
💡 100% anonymous & zero barrier · No login, no cards · Perfect for quick testing
Endpoint Base URL:
https://gen.pollinations.ai/v1
Model Recommended Model ID:
deepseek-r1
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Sign-Up · Any Key] No account needed. Fill in any string (e.g. sk-free) to query
💡 Proprietary LPU chip inference · 14,400 free requests refreshed daily · Instant 300+ tok/s
Endpoint Base URL:
https://api.groq.com/openai/v1
Model Recommended Model ID:
llama-3.3-70b-versatile
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [One-Click Key Creation] Sign in with GitHub or Google to generate instant free API Key
💡 High-throughput architecture · Blazing fast typing speed matching Groq · Official free tier
Endpoint Base URL:
https://api.cerebras.ai/v1
Model Recommended Model ID:
llama3.3-70b
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [Free Key Generation] Email registration provides 14,400 daily requests
💡 Premier European open model · Codestral elite code generation · Generous monthly free tier
Endpoint Base URL:
https://api.mistral.ai/v1
Model Recommended Model ID:
mistral-small-latest
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Card Required] Register console to generate API Key, 1B free tokens/mo for developers
💡 Backed by Microsoft compute · 150 daily calls auto-refreshed · Supports DeepSeek-R1 & GPT-4o
Endpoint Base URL:
https://models.inference.ai.azure.com
Model Recommended Model ID:
gpt-4o-mini
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Card Required] Any standard GitHub account can generate a Personal Access Token (PAT)
💡 Premier direct backbone · Full 671B architecture · Dedicated 100% free OCR and translation
Endpoint Base URL:
https://api.siliconflow.cn/v1
Model Recommended Model ID:
deepseek-ai/DeepSeek-V3
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [16 CNY Voucher on Signup] Worth ~16M-20M Tokens · Valid for 180 days
💡 8.8k Star veteran open relay · Direct route without proxy · Hourly rate limit for casual QA
Endpoint Base URL:
https://api.chatanywhere.tech
Model Recommended Model ID:
gpt-4o-mini
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Signup Required] Public shared key, copy and paste directly to connect
PUBLIC KEY sk-free-demo-chatanywhere-community-2026
💡 Official Google native endpoint · 1,500 free requests daily · 1M token context window
Endpoint Base URL:
https://generativelanguage.googleapis.com
Model Recommended Model ID:
gemini-2.5-flash
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [No Card Required] Official free tier with daily 1500 calls refreshed automatically
💡 Self-developed MoE architecture · Industry-leading roleplay & conversation · 245K context
Endpoint Base URL:
https://api.minimax.chat/v1
Model Recommended Model ID:
abab6.5s-chat
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [15M Free Tokens on Signup] Instant 15 CNY voucher upon verification · Long-term validity
💡 Tier-1 GPU cluster backbone · Auto-refills 1.2M points weekly · Exceptional native multimodal
Endpoint Base URL:
https://api.sensenova.cn/v1
Model Recommended Model ID:
SenseNova-6.8-Flash-Lite
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [Auto-refills 120k pts every 5 hrs] Game-like stamina recovery · Free during beta
💡 NVIDIA official compute subsidy · 1M Token context · Ingest full novels and code repositories without VRAM overflow
Endpoint Base URL:
https://openrouter.ai/api/v1
Model Recommended Model ID:
nvidia/nemotron-3.5-lightning:free
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [Email Sign-Up] Generate unified Key with no credit card required, valid across 15+ :free models
💡 Baidu AI backbone · 128K long context · Officially promised permanent free usage
Endpoint Base URL:
https://qianfan.baidubce.com/v2
Model Recommended Model ID:
ernie-speed-128k
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🎁 [Baidu Official Permanent 0-Cost] Register and activate to create free application API Key
💡 Global Anycast network · Refreshed daily automatically · Supports Llama 3.3 & DeepSeek distill
Endpoint Base URL:
https://api.cloudflare.com/client/v4/accounts/{YOUR_ACCOUNT_ID}/ai/v1
Model Recommended Model ID:
@cf/meta/llama-3.3-70b-instruct
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [Free for Any Cloudflare Account] No credit card required, resets 10,000 Neurons daily
💡 No registration needed · Quick test relay · Perfect for beginner exploratory scripting
Endpoint Base URL:
https://api.free-one-api.com/v1
Model Recommended Model ID:
glm-4-flash
Shared Models at this endpoint:
API Key How to Get API Key:
🔑 🟢 [Zero Registration] Input any string like sk-free to initiate API calls