免费大模型 API 大全
一站式聚合全球优质免费大语言模型（LLM）API。告别虚标与套路，基于官方直连数据，透明展示免费额度、是否需要绑定海外信用卡、OpenAI 协议兼容性与极速调用示例。
核心免费大模型速览表
各官方提供商免费额度、是否需要绑定海外信用卡及 OpenAI 协议兼容性对照：
按应用场景选择大模型
💻 代码生成与编程智能体 (Coding & Agents)
适用于代码补全、重构、单元测试与 IDE Coding Agent（如 Cursor、Claude Code、Codex 等）的大模型接口。
Pixel Canary
Access Pixel Canary free through Vercel AI Gateway $5 monthly credit.
Space Bunny Alpha
Space Bunny Alpha stealth agent router and long-context coding model at zero credit cost on Command Code.
Pixel Canary
Frontier stealth coding model matching GPT-6 Astra on Next.js benchmarks at $0 cost on Command Code.
Gemini 3.8 Flash
Official Google AI Studio Gemini 3.8 Flash API with 15 RPM / 1500 RPD free tier, 1M context, and OpenAI SDK compatibility.
MiMo 2.6 Flash
High-throughput omnimodal endpoint with sub-second latency and ultra-low pricing ($0.14/M tokens input).
MiMo 2.6 Pro
Frontier omnimodal API endpoint supporting direct audio/vision input, 1M context, and agentic workflows with OpenAI compatibility.
💬 通用对话与深度推理大模型 (Chat & Reasoning)
具备卓越语言理解、复杂逻辑分析、知识问答与多轮对话能力的通用大语言模型。
Gemini 3.7 Flash
Official Google AI Studio Gemini 3.7 Flash API with hybrid thinking, 2M context, and generous daily free quotas.
GLM 5.3 Flash
Vultr Serverless Inference endpoint for GLM 5.3 Flash ($0.10 in, $0.35 out).
MiniCPM 5 1B
AMD 官方 MiniCPM 5 1B 极速轻量模型端点，毫秒级响应，适合实时边缘流水线。
GPT-OSS 20b
OpenAI's fast 20B open-weights model on NVIDIA NIM for code and agent loops.
GPT-OSS 120b
OpenAI's 120B open-weights model hosted on NVIDIA NIM with 1M context.
MiMo 2.5
Xiaomi MiMo 2.5 multimodal foundation model free via OpenCode Zen gateway.
💳 免信用卡零门槛专区 (No Credit Card Required)
完全无需绑定海外信用卡，通过 GitHub / 邮箱注册即可直接使用的零门槛大模型。
Pixel Canary
Access Pixel Canary free through Vercel AI Gateway $5 monthly credit.
Space Bunny Alpha
Space Bunny Alpha stealth agent router and long-context coding model at zero credit cost on Command Code.
Pixel Canary
Frontier stealth coding model matching GPT-6 Astra on Next.js benchmarks at $0 cost on Command Code.
Gemini 3.7 Flash
Official Google AI Studio Gemini 3.7 Flash API with hybrid thinking, 2M context, and generous daily free quotas.
Gemini 3.8 Flash
Official Google AI Studio Gemini 3.8 Flash API with 15 RPM / 1500 RPD free tier, 1M context, and OpenAI SDK compatibility.
MiMo 2.6 Flash
High-throughput omnimodal endpoint with sub-second latency and ultra-low pricing ($0.14/M tokens input).
快速接入示例 (OpenAI 协议兼容)
curl https://api.commandcode.ai/provider/v1/chat/completions \
-H "Authorization: Bearer $COMMANDCODE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "stealth/space-bunny-alpha",
"messages": [{"role": "user", "content": "Refactor this module into clean decoupled service classes."}]
}'只需将 base_url 替换为对应提供商的 API 地址，即可在现有项目中无缝替换模型：