Mellum alternatives in 2026: 24 tools like Mellum

Closest: Coding Models

CoDA

Salesforce AI Research's diffusion language model for code

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0 use thisCompare with Mellum
Code World Model

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

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0 use thisCompare with Mellum
Cognition SWE

Cognition's in-house agentic coding models behind Devin

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0 use thisCompare with Mellum
Composer

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

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0 use thisCompare with Mellum
Devstral

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

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0 use thisCompare with Mellum
Doubao-Seed-Code

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

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0 use thisCompare with Mellum
Fern

Mirendil's long-context model for agentic coding and AI research work

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0 use thisCompare with Mellum
Flint

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

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0 use thisCompare with Mellum
Inception Mercury

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

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0 use thisCompare with Mellum
KAT-Dev

Kwaipilot's open-weights software engineering model family

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0 use thisCompare with Mellum
Laguna

Poolside's open-weight MoE models for agentic coding

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0 use thisCompare with Mellum
Qwen Coder

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

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0 use thisCompare with Mellum
Rnj

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

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0 use thisCompare with Mellum

More in Foundation Models

ChatGPT

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

CuratedAndroidiOSMacWebWindows

3 use thisCompare with Mellum
Claude

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

CuratedAndroidiOSMacWebWindows

2 use thisCompare with Mellum
Gemini

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

CuratedAndroidiOSMacWebWindows

1 use thisCompare with Mellum
Grok

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

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1 use thisCompare with Mellum
Mistral

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

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1 use thisCompare with Mellum
Amazon Nova

Amazon's multimodal model family served through Bedrock

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0 use thisCompare with Mellum
Ampersand

Collaborator model for helping groups reach shared goals, via API

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0 use thisCompare with Mellum
Beam

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

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0 use thisCompare with Mellum
Command

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

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0 use thisCompare with Mellum
DeepSeek-V

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

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0 use thisCompare with Mellum
Falcon

TII's open-weights language model family

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0 use thisCompare with Mellum

Questions

What are the closest alternatives to Mellum?

CoDA, Code World Model and Cognition SWE sit on the same sub-line as Mellum (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 Mellum's sub-line before the rest, then by name until members have marked enough of them.