Claude Opus 4.8

Claude Opus 4.8

Anthropic
OpenAI o1

OpenAI o1

OpenAI
+
+

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About

Claude Opus 4.8 is a powerful AI model from Anthropic designed to deliver stronger coding, reasoning, agentic workflows, and advanced collaboration capabilities for developers, enterprises, and AI-powered productivity tasks. The model builds on Claude Opus 4.7 with improvements across coding benchmarks, practical knowledge work, alignment, and reliability while maintaining the same pricing structure. Claude Opus 4.8 introduces enhanced honesty and reasoning behavior, making it less likely to generate unsupported claims or overlook flaws during complex tasks such as software development and agent execution. The release also includes new features such as effort control settings, fast mode for lower-cost high-speed processing, and dynamic workflows in Claude Code that allow the system to coordinate hundreds of parallel subagents for large-scale tasks.

About

OpenAI o1 represents a new series of AI models designed by OpenAI, focusing on enhanced reasoning capabilities. These models, including o1-preview and o1-mini, are trained using a novel reinforcement learning approach to spend more time "thinking" through problems before providing answers. This approach allows o1 to excel in complex problem-solving tasks in areas like coding, mathematics, and science, outperforming previous models like GPT-4o in certain benchmarks. The o1 series aims to tackle challenges that require deeper thought processes, marking a significant step towards AI systems that can reason more like humans, although it's still in the preview stage with ongoing improvements and evaluations.

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

Claude Opus 4.8 is designed for developers, enterprises, software engineers, AI researchers, technical teams, and organizations seeking advanced AI-powered coding, reasoning, autonomous workflows, and large-scale intelligent automation capabilities

Audience

Users interested in a powerful large language model capable of advanced reasoning

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

Pricing

$5 per 1M (input)
$5 per million input tokens and $25 per million output tokens. Pricing for fast mode is $10 per million input tokens and $50 per million output tokens.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

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

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Claude Opus 4.8 is easily one of the most impressive AI models I’ve used as a developer. The biggest difference compared to many other coding assistants is how well it handles complex, multi-step tasks without losing context. It feels less like a chatbot and more like an experienced engineering partner. Excellent code quality and architectural reasoning Strong long-context performance for large projects Better at identifying uncertainty and potential mistakes Produces cleaner, more maintainable code suggestions Handles complex debugging and refactoring tasks extremely well

Cons

  • Can be slower when working through deeper reasoning tasks Premium capabilities may be overkill for simple coding needs Occasionally provides more detail than necessary for straightforward questions

Pros & Cons from Real Users

Pros

  • I’ve been using OpenAI’s o1 model for a few weeks now, and it’s really remarkable. What I love most is how deliberate it feels—it doesn’t just throw out answers; it actually “thinks” through complex problems. Whether it’s coding, science, or tough math problems, the level of reasoning is impressive. The way it handles structured outputs like JSON is a huge plus for developers, making data organization so much easier. I also appreciate how accessible it is, whether through ChatGPT Plus or the API—it’s super versatile for a range of applications.

Cons

  • There are some trade-offs with o1’s depth. It can be slower than previous models because of its more thoughtful reasoning, which takes some getting used to. If you’re new to AI or machine learning, the advanced features might feel a bit overwhelming at first. And you might need to tweak your workflows to account for the slightly longer processing times.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Anthropic
Founded: 2021
United States
claude.ai/

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Claude Opus 5

Claude Opus 5

Anthropic

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic
Amazon Nova

Amazon Nova

Amazon
Claude Mythos 5

Claude Mythos 5

Anthropic
Claude Sonnet 5

Claude Sonnet 5

Anthropic
Claude Opus 4.5

Claude Opus 4.5

Anthropic

Categories

Categories

Integrations

Amp
C
C++
CSS
Elixir
F#
Go
HTML
Java
JavaScript
Julia
PHP
Python
Ruby
Rust
SQL
Scala
Shiori
TypeScript
Visual Basic

Integrations

Amp
C
C++
CSS
Elixir
F#
Go
HTML
Java
JavaScript
Julia
PHP
Python
Ruby
Rust
SQL
Scala
Shiori
TypeScript
Visual Basic
Claim Claude Opus 4.8 and update features and information
Claim Claude Opus 4.8 and update features and information
Claim OpenAI o1 and update features and information
Claim OpenAI o1 and update features and information