DeepSeek V3.1

DeepSeek V3.1

DeepSeek
WhichModel

WhichModel

WhichModel.io
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About

DeepSeek V3.1 is a groundbreaking open-weight large language model featuring a massive 685-billion parameters and an extended 128,000‑token context window, enabling it to process documents equivalent to 400-page books in a single prompt. It delivers integrated capabilities for chat, reasoning, and code generation within a unified hybrid architecture, seamlessly blending these functions into one coherent model. V3.1 supports a variety of tensor formats to give developers flexibility in optimizing performance across different hardware. Early benchmark results show robust performance, including a 71.6% score on the Aider coding benchmark, putting it on par with or ahead of systems like Claude Opus 4 and doing so at a far lower cost. Made available under an open source license on Hugging Face with minimal fanfare, DeepSeek V3.1 is poised to reshape access to high-performance AI, challenging traditional proprietary models.

About

WhichModel is a next-generation AI benchmarking platform designed to help developers and businesses compare and optimize AI models for their specific tasks. It allows users to benchmark over 50 AI models side by side using real-time testing with custom inputs and parameters. The platform offers prompt optimization tools to identify the best-performing prompts across multiple models. Users can track model and prompt performance continuously to make informed, data-driven decisions. WhichModel supports major AI providers including OpenAI, Anthropic, Google, and popular open-source models. With pay-as-you-go credit packages and 24/7 support, it offers flexible and scalable access to AI benchmarking without subscription commitments.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI researchers, developers, and organizations seeking a tool offering models with massive context windows and efficient multi-function capabilities for chat, reasoning, and coding

Audience

WhichModel is ideal for AI developers, data scientists, and businesses seeking a comprehensive and flexible platform to benchmark, compare, and optimize AI models for their specific use cases

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Free Version
Free Trial

Pricing

$10
Free Version
Free Trial

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

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

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

DeepSeek
Founded: 2023
China
deepseek.ai/blog/deepseek-v31

Company Information

WhichModel.io
Founded: 2025
United States
www.whichmodel.io

Alternatives

Alternatives

GLM-4.1V

GLM-4.1V

Zhipu AI
DeepSeek R1

DeepSeek R1

DeepSeek
StarCoder

StarCoder

BigCode
DeepSeek R2

DeepSeek R2

DeepSeek
Geekflare Chat

Geekflare Chat

Geekflare

Categories

Categories

Integrations

Aider
EaseMate AI
Hugging Face
Intrascope
LLM Council
Microsoft Foundry Models
ModelArk
Nebius Token Factory
Okara
Ollama

Integrations

Aider
EaseMate AI
Hugging Face
Intrascope
LLM Council
Microsoft Foundry Models
ModelArk
Nebius Token Factory
Okara
Ollama
Claim DeepSeek V3.1 and update features and information
Claim DeepSeek V3.1 and update features and information
Claim WhichModel and update features and information
Claim WhichModel and update features and information