What is the context window of Cogito v2.1 671B?

Cogito v2.1 671B has a context window of 128K tokens.

When was Cogito v2.1 671B released?

Cogito v2.1 671B was released on 2026-04-01.

Cogito v2.1 671B

cogito-v2.1-671b

Open Source

About

Cogito v2.1 671B MoE is Deep Cogito's strongest open model, matching performance of frontier closed models. It features deep thinking capabilities and strong results on coding, reasoning, and math benchmarks.

Cogito v2.1 671B has a 128K-token context window.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Rankings

Best LLMs for Code Generation Best AI Agents & Agentic Models Best Open Source LLMs Best LLMs for Reasoning & Math Best LLMs for Function Calling & Tool Use Cheapest LLM APIs Best LLM APIs Best LLMs for Enterprise Best Free LLMs Best LLMs for Writing Best LLMs for Marketing Best LLMs for Customer Support

Specifications

FamilyCogito

Released2026-04-01

Parameters671B

Context128K

Architecturemoe

Specializationgeneral

LicenseApache 2.0

Trainingfinetuned

Links

Website HuggingFace