Flint (free)

Flint is an open-weight mixture-of-experts model from Recursive, with about 2.5B active parameters out of 40B total, built by Recursive's autoresearch system Eureka Machine for coding agents. It is suited for investigating codebases, fixing bugs, implementing features, and writing tests.

ChatRecursive262k tokensFree

recursive/flint-v1.0:free

Context
262k tokens
Completion cap
235,929
Tools
Yes
JSON
Yes
Released
2026-10-19

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "recursive/flint-v1.0:free",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Flint (free)?
Flint is an open-weight mixture-of-experts model from Recursive, with about 2.5B active parameters out of 40B total, built by Recursive's autoresearch system Eureka Machine for coding agents. It is suited for investigating codebases, fixing bugs, implementing features, and writing tests. Flint (free) runs on the Geek Hub API (OpenAI-compatible). Model id: recursive/flint-v1.0:free.
Is Flint (free) free?
Yes. The listed price is zero — you are not charged for prompt or completion tokens. Free endpoints are rate limited.
What is the context length of Flint (free)?
Flint (free) has a 262k tokens context window. It supports up to 235,929 completion tokens.
Does Flint (free) support tool calling and structured outputs?
Flint (free) accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
When was Flint (free) released?
Flint (free) was released on 2026-10-19.