Recursive FlintRecursive
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Step 3.5 FlashStepFun
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Related Products
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Recursive Flint:
About
Recursive Flint is a 40-billion-parameter mixture-of-experts language model for agentic coding on local hardware. It activates about 2.5 billion parameters per token and supports reasoning, multi-turn tool use, and context windows up to 512,000 tokens. Developers can use Flint with coding agents to inspect codebases, fix bugs, implement features, and write tests while running inference on their own hardware. Its weights are published under the Apache 2.0 license. Flint works with llama.cpp, Ollama, Unsloth, LM Studio, vLLM, and SGLang; Recursive also provides rec, an inference engine optimized for Apple Silicon M4 Pro and M5 Pro/Max. Setup documentation and examples help developers run the model locally. Flint is for developers and technical teams that want to operate and adapt a code-focused model on their own systems.
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Step 3.5 Flash:
About
Step 3.5 Flash is an advanced open source foundation language model engineered for frontier reasoning and agentic capabilities with exceptional efficiency, built on a sparse Mixture of Experts (MoE) architecture that selectively activates only about 11 billion of its ~196 billion parameters per token to deliver high-density intelligence and real-time responsiveness. Its 3-way Multi-Token Prediction (MTP-3) enables generation throughput in the hundreds of tokens per second for complex multi-step reasoning chains and task execution, and it supports efficient long contexts with a hybrid sliding window attention approach that reduces computational overhead across large datasets or codebases. It demonstrates robust performance on benchmarks for reasoning, coding, and agentic tasks, rivaling or exceeding many larger proprietary models, and includes a scalable reinforcement learning framework for consistent self-improvement.
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Recursive Flint:
Platforms Supported
Windows
Not Supported
Mac
Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Step 3.5 Flash:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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Recursive Flint:
Audience
Software developers and technical teams building or using coding agents, especially those seeking to run a coding model locally.
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Step 3.5 Flash:
Audience
Developers, researchers, and AI engineers who want a powerful open source foundational AI model capable of fast, deep reasoning, coding assistance, and agentic task execution
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Recursive Flint:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Step 3.5 Flash:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Recursive Flint:
API
Offers API
Supported
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Step 3.5 Flash:
API
Offers API
Supported
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Recursive Flint:
Screenshots and VideosNo images available
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Step 3.5 Flash:
Screenshots and Videos |
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Recursive Flint:
Pricing
No information available.
Free Version
Supported
Free Trial
Not Supported
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Step 3.5 Flash:
Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Recursive Flint:
Reviews/
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Step 3.5 Flash:
Reviews/
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Recursive Flint:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Step 3.5 Flash:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Recursive Flint:
Company InformationRecursive
Founded: 2026
United States
recursive.com/updates/introducing-recursive-flint
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Step 3.5 Flash:
Company InformationStepFun
Founded: 2023
China
static.stepfun.com/blog/step-3.5-flash/
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Recursive Flint:
Alternatives |
Step 3.5 Flash:
Alternatives |
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Recursive Flint:
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Step 3.5 Flash:
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Recursive Flint:
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Step 3.5 Flash:
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Step 3.5 Flash:
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Recursive Flint:
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Step 3.5 Flash:
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Recursive Flint:
Categories |
Step 3.5 Flash:
Categories |
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Recursive Flint:
Integrations
GitHub
Not Supported
Hugging Face
Not Supported
LM Studio
Supported
ModelScope
Not Supported
Ollama
Supported
OpenRouter
Supported
Unsloth
Supported
arXiv
Not Supported
vLLM
Supported
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Step 3.5 Flash:
Integrations
GitHub
Supported
Hugging Face
Supported
LM Studio
Not Supported
ModelScope
Supported
Ollama
Not Supported
OpenRouter
Not Supported
Unsloth
Not Supported
arXiv
Supported
vLLM
Not Supported
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Recursive Flint:
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Step 3.5 Flash:
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