Flint is an open-weight mixture-of-experts model from Recursive

1 week

Uptime (3d)The model was reachable. Request routed to a provider.

100.00%

Availability (3d)The model returned inference from any provider. Errors and empty responses count against it.

99.67%

Availability over the last 3 days

Last 72 hours

Availability 99.67%

3 Days Ago2 Days AgoYesterdayNow

Availability over the last 24 hours

OpenRouter Availability

99.67%

When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and provider routing options.

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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.

Yes. The pricing shown on this page for Flint (free) is zero, so you are not charged for prompt or completion tokens. Free endpoints are rate limited — see the rate limit docs.

Flint (free) has a 262,144 token context window.

Yes. Flint (free) accepts tools for function calling. It supports response_format for JSON output, without JSON-schema enforcement.

Flint (free) was released on October 21, 2026.