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Directory of 34+ free LLM & AI APIs — permanent free tiers, trial credits, and no-card options. GPT-4o, Gemini, Claude, Llama, DeepSeek, Mistral & more. Synced daily from the live directory at free-llm.com.

The fastest JavaScript BPE Tokenizer Encoder Decoder for OpenAI's GPT models (gpt-5, gpt-o*, gpt-4o, etc.). Port of OpenAI's tiktoken with additional features.

Awesome Prompts, Nano Banana, Nano Banana Pro, Sora2, GPT-4o, gpt-image-1

为 Claude Code 赋能多模态视觉能力，支持豆包、通义千问、GPT-4o 等模型，用于截图 / UI / 图表分析；适配 DeepSeek 等无视觉底座，搭配 browser-harness 可做前端布局自动化检查。