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Model Library
/Cogito 671B v2.1

Cogito 671B v2.1

Ready
cogito/cogito-671b-v2-p1

    Cogito v2.1 blends standard LLM behavior with optional self-reflection for stronger reasoning. Trained across 30+ languages with a 128k context, it delivers standout performance in coding, STEM and general instruction-following.

    Cogito 671B v2.1 API Features

    Fine-tuning

    Docs

    Cogito 671B v2.1 can be customized with your data to improve responses. Fireworks uses LoRA to efficiently train and deploy your personalized model

    On-demand Deployment

    Docs

    On-demand deployments give you dedicated GPUs for Cogito 671B v2.1 using Fireworks' reliable, high-performance system with no rate limits.

    Metadata

    State
    Ready
    Created on
    11/13/2025
    Kind
    Base model
    Provider
    N/A

    Specification

    Calibrated
    No
    Mixture-of-Experts
    Yes
    Parameters
    671B

    Supported Functionality

    Fine-tuning
    Supported
    Serverless
    Not supported
    Serverless LoRA
    Not supported
    Context Length
    163.8k tokens
    Function Calling
    Not supported
    Embeddings
    Not supported
    Rerankers
    Not supported
    Support image input
    Not supported