Fern alternatives in 2026: 24 tools like Fern

Closest: Coding Models

CoDA

Salesforce AI Research's diffusion language model for code

Curated

0 use thisCompare with Fern
Code World Model

Meta's LLM trained to reason about how code changes program state

Curated

0 use thisCompare with Fern
Cognition SWE

Cognition's in-house agentic coding models behind Devin

Curated

0 use thisCompare with Fern
Composer

Cursor's in-house agent model, built for fast multi-step edits

Curated

0 use thisCompare with Fern
Devstral

Mistral AI's open-weights code agent models in 24B and 123B sizes

Curated

0 use thisCompare with Fern
Doubao-Seed-Code

ByteDance's coding model on Volcengine, integrated into Trae IDE

Curated

0 use thisCompare with Fern
Flint

Open 40B MoE coding model built to run locally on laptops

Curated

0 use thisCompare with Fern
Inception Mercury

Inception Labs' diffusion LLM family for fast chat, code, and edits

Curated

0 use thisCompare with Fern
KAT-Dev

Kwaipilot's open-weights software engineering model family

Curated

0 use thisCompare with Fern
Laguna

Poolside's open-weight MoE models for agentic coding

Curated

0 use thisCompare with Fern
Mellum

JetBrains' Apache 2.0 open-weights models for code completion

Curated

0 use thisCompare with Fern
Qwen Coder

Alibaba's agentic code models, up to 480B MoE with 35B active

Curated

0 use thisCompare with Fern
Rnj

Essential AI's model built from scratch for code and STEM

Curated

0 use thisCompare with Fern

More in Foundation Models

ChatGPT

OpenAI's flagship family, unifying the former o-series reasoners

CuratedAndroidiOSMacWebWindows

3 use thisCompare with Fern
Claude

Anthropic's model family in Haiku, Sonnet, Opus, and Fable tiers

CuratedAndroidiOSMacWebWindows

2 use thisCompare with Fern
Gemini

Google DeepMind's multimodal family with built-in thinking modes

CuratedAndroidiOSMacWebWindows

1 use thisCompare with Fern
Grok

xAI's frontier model family with real-time X data access

Curated

1 use thisCompare with Fern
Mistral

Mistral AI's model family, from Small and Medium up to Large

Curated

1 use thisCompare with Fern
Amazon Nova

Amazon's multimodal model family served through Bedrock

Curated

0 use thisCompare with Fern
Ampersand

Collaborator model for helping groups reach shared goals, via API

Curated

0 use thisCompare with Fern
Beam

Reflection AI's 501B open-weight model for coding and agent work

Curated

0 use thisCompare with Fern
Command

Cohere's RAG and tool-use optimized enterprise model family

Curated

0 use thisCompare with Fern
DeepSeek-V

DeepSeek's MIT-licensed MoE family with hybrid reasoning (V4, R1)

Curated

0 use thisCompare with Fern
Falcon

TII's open-weights language model family

Curated

0 use thisCompare with Fern

Questions

What are the closest alternatives to Fern?

CoDA, Code World Model and Cognition SWE sit on the same sub-line as Fern (Coding Models) on AI Landscape, with 10 more.

How are these alternatives chosen?

They are the other products on the Foundation Models stop of the map: curated products first, the ones on Fern's sub-line before the rest, then by name until members have marked enough of them.