Flint (free)

Recursive · Released October 2026

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.

Facts and pricing

Provider

Recursive

Context window

262K tokens

Input price

0 credits / 1M tokens ($0 raw)

Output price

0 credits / 1M tokens ($0 raw)

Vision (image input)

No

Tool calling

Yes

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.

What Flint (free) is best for

• Balanced everyday work: writing, questions, brainstorming and summarization
• Long documents: the 262K-token window holds lengthy reports, contracts or papers whole
• Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Model comparisons

• Claude Opus 5.5 vs Claude Opus 5
• Claude Opus 5.5 vs GPT-6 Astra
• Claude Opus 5.5 vs GPT-6 Sol
• Claude Opus 5.5 vs Claude Sonnet 5

Frequently asked questions

What is Flint (free)?

Flint (free) is an AI model by Recursive. 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.

How much does Flint (free) cost on Zeplik?

Input tokens cost 0 credits per million and output tokens 0 credits per million (1 credit = $0.10; the raw provider rates are $0 and $0 per million). New accounts start with free credits.

How long can a conversation with Flint (free) be?

Flint (free) has a 262K-token context window (262,144 tokens), which covers the conversation plus any documents you attach.

Does Flint (free) support images and tools?

Flint (free) is text-only and supports tool calling.

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