What are the best alternatives to Unofficial API in JS/TS?

The top alternatives to Unofficial API in JS/TS are Claude Fable 5, Gemini 3, Claude Opus 4.8, ranked by real usage data on Unfragile.

Are there free alternatives to Unofficial API in JS/TS?

Yes, 10 free alternatives to Unofficial API in JS/TS exist, including Llama 4, GPT-4o, Mistral Large.

20 alternatives ranked by real usage data. Unofficial API in JS/TS scores 20/100 — 20 tools score higher.

[Unofficial API in Dart](https://github.com/MisterJimson/chatgpt_api_dart)

20 alternatives

10 free options

20 score higher

Anthropic's 2026 flagship — strongest Claude for agents, long-horizon coding, and tool orchestration.