DeepCoder

DeepCoder

Agentica Project
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About

Claude Sonnet 5.5 is Anthropic’s mid-tier Claude 5.5 model designed for fast, well-scoped everyday work, coding, and professional document creation. Anthropic says it runs more than 30% faster than Claude Sonnet 5 and typically costs up to 30% less per task while keeping the same base token pricing. The model shows major gains in agentic coding, with a 70.6% score on Terminal-Bench 4.0 and stronger performance on FrontierCode and CursorBench than its predecessor. Sonnet 5.5 also performs strongly on knowledge work, computer use, chart understanding, and long-horizon tasks, in some cases approaching Claude Opus 5.5 at higher effort settings. Anthropic positions it as especially useful for debugging, routine coding, collaboration, and producing polished documents, slides, spreadsheets, and user interfaces. Claude Sonnet 5.5 is available across Anthropic’s platforms as well as AWS, Google Cloud, and Microsoft Azure.

About

DeepCoder is a fully open source code-reasoning and generation model released by Agentica Project in collaboration with Together AI. It is fine-tuned from DeepSeek-R1-Distilled-Qwen-14B using distributed reinforcement learning, achieving a 60.6% accuracy on LiveCodeBench (representing an 8% improvement over the base), a performance level that matches that of proprietary models such as o3-mini (2025-01-031 Low) and o1 while using only 14 billion parameters. It was trained over 2.5 weeks on 32 H100 GPUs with a curated dataset of roughly 24,000 coding problems drawn from verified sources (including TACO-Verified, PrimeIntellect SYNTHETIC-1, and LiveCodeBench submissions), each problem requiring a verifiable solution and at least five unit tests to ensure reliability for RL training. To handle long-range context, DeepCoder employs techniques such as iterative context lengthening and overlong filtering.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, knowledge workers, analysts, business teams, and organizations that want a fast, capable, and relatively cost-efficient AI model for coding, professional work, design-heavy tasks, document creation, and everyday agentic workflows

Audience

Developers, researchers, and enthusiasts wanting a tool to generate, debug, or reason about code without relying on proprietary models

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$2 per 1M tokens (input)
$2 per million input tokens and $10 per million output tokens.

Cache reads, which account for most costs in agentic and coding workloads, are priced at just $0.10 per million tokens
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5

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

Pros & Cons from Real Users

Pros

  • I can give it a normal development task and it tends to get to the answer with less wandering, fewer unnecessary tool calls, and less back-and-forth than Sonnet 5. Coding is where I notice the improvement the most. It is really good for feature work, fixing bugs, refactoring, and the everyday engineering tasks where I want something fast and capable without automatically reaching for Opus. The speed is another big advantage. Sonnet 5.5 feels better suited to rapid iteration because I can make a change, test it, adjust the prompt, and keep moving without the slower pace I sometimes get from heavier reasoning models.

Cons

  • The main downside is that I would still move up to Opus 5.5 for really messy architecture problems, long autonomous agent runs, or tasks where I want maximum reasoning depth.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Anthropic
Founded: 2021
United States
claude.ai

Company Information

Agentica Project
Founded: 2025
United States
agentica-project.com

Alternatives

Alternatives

DeepSWE

DeepSWE

Agentica Project
Devstral 2

Devstral 2

Mistral AI
Devstral Small 2

Devstral Small 2

Mistral AI
Claude Sonnet 4

Claude Sonnet 4

Anthropic
DeepScaleR

DeepScaleR

Agentica Project

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Categories

AI Coding Models Supported
AI Models Supported

Integrations

AiAssistWorks Supported
Amp Supported
Augment Code Supported
Biela.dev Supported
Bolt.new Supported
C# Supported
Claude Agent SDK Supported
Claude Max Supported
GitAuto Supported
HTML Supported
Mimasa AI Supported
OpenClaw Supported
OpenCode Supported
Oxen.ai Supported
PowerShell Supported
Replit Supported
Rider Supported
Shiori Supported
Skymel Supported
WebStorm Supported

Integrations

AiAssistWorks Not Supported
Amp Not Supported
Augment Code Not Supported
Biela.dev Not Supported
Bolt.new Not Supported
C# Not Supported
Claude Agent SDK Not Supported
Claude Max Not Supported
GitAuto Not Supported
HTML Not Supported
Mimasa AI Not Supported
OpenClaw Not Supported
OpenCode Not Supported
Oxen.ai Not Supported
PowerShell Not Supported
Replit Not Supported
Rider Not Supported
Shiori Not Supported
Skymel Not Supported
WebStorm Not Supported
Claim Claude Sonnet 5.5 and update features and information
Claim Claude Sonnet 5.5 and update features and information
Claim DeepCoder and update features and information
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