Recursive Flint

Recursive Flint

Recursive
Recursive Flint Step 3.5 Flash

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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.
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.
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
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
Recursive Flint:

Audience

Software developers and technical teams building or using coding agents, especially those seeking to run a coding model locally.
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
Recursive Flint:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
Step 3.5 Flash:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Recursive Flint:

API

Offers API Supported
Step 3.5 Flash:

API

Offers API Supported
Recursive Flint:

Screenshots and Videos

No images available
Step 3.5 Flash:

Screenshots and Videos

Recursive Flint:

Pricing

No information available.
Free Version Supported
Free Trial Not Supported
Step 3.5 Flash:

Pricing

Free
Free Version Supported
Free Trial Not Supported
Recursive Flint:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Step 3.5 Flash:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Recursive Flint:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Step 3.5 Flash:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Recursive Flint:

Company Information

Recursive
Founded: 2026
United States
recursive.com/updates/introducing-recursive-flint
Step 3.5 Flash:

Company Information

StepFun
Founded: 2023
China
static.stepfun.com/blog/step-3.5-flash/
Recursive Flint:

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Recursive Flint:

Categories

AI Coding Models Supported
AI Models Supported
Step 3.5 Flash:

Categories

AI Models Supported
Foundation Models Supported
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
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
Recursive Flint:
Claim Recursive Flint and update features and information
Claim Recursive Flint and update features and information
Step 3.5 Flash:
Claim Step 3.5 Flash and update features and information
Claim Step 3.5 Flash and update features and information