OpenAI-compatible, production-ready, and budget-friendly
Try Free →FREE — 128K context, great for chatbots and general tasks
The best completely free LLM API available. GLM-4-Flash offers solid quality (MMLU ~81) with no per-token cost. Perfect for prototyping, hobby projects, or high-volume applications where cost matters.
Near-free: $0.07/M input — 128K context, excellent reasoning
While not completely free, DeepSeek V4-Flash is so cheap it's practically free for most use cases. Outstanding code and math capabilities at a fraction of OpenAI's pricing.
$0.14/M input — 128K context, 29+ languages
One of the best value propositions in LLM APIs. Qwen3-Flash excels at multilingual tasks and provides excellent quality for its price point.
$0.14/M input — Latest Qwen architecture
The newest iteration of Alibaba's flash model with improved reasoning and instruction following.
$0.14/M input — Balanced performance
Step up from GLM-4-Flash with better quality while maintaining very affordable pricing. Great tool-use and function-calling capabilities.
$0.28/M input — Top-tier reasoning
DeepSeek V4 delivers GPT-4-level quality at ~90% lower cost. Excellent for code generation, math, and complex reasoning tasks.
$0.40/M input — 128K context, document specialist
Best-in-class for long document processing and analysis. Kimi K3 handles 128K context windows with strong comprehension.
$0.55/M input — Chain-of-thought reasoning
Specialized reasoning model that shows its thinking process. Ideal for complex math, logic puzzles, and step-by-step problem solving.
$0.28/M input — Previous generation, proven reliable
$0.40/M input — Enhanced Qwen performance
$1.00/M input — Flagship model, best Chinese NLP
Alibaba's most capable model. Superior Chinese language understanding and complex task handling.
Instead of managing 11 different API keys and endpoints, access all these models through a single OpenAI-compatible gateway:
GLM-4-Flash from Zhipu AI is the best completely free option. For near-free pricing, DeepSeek V4-Flash at $0.07/M tokens offers incredible value.
Yes! All models listed here use the OpenAI-compatible API format. You can use the official OpenAI Python/JavaScript SDKs by simply changing the base URL and API key.
Typically 5-20x cheaper. GPT-4o costs $2.50/M input tokens. DeepSeek V4 offers comparable quality at $0.28/M — a 89% savings.