Claude Opus 4.8

Claude Opus 4.8

Anthropic
Mathstral

Mathstral

Mistral AI
+
+

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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

As a tribute to Archimedes, whose 2311th anniversary we’re celebrating this year, we are proud to release our first Mathstral model, a specific 7B model designed for math reasoning and scientific discovery. The model has a 32k context window published under the Apache 2.0 license. We’re contributing Mathstral to the science community to bolster efforts in advanced mathematical problems requiring complex, multi-step logical reasoning. The Mathstral release is part of our broader effort to support academic projects, it was produced in the context of our collaboration with Project Numina. Akin to Isaac Newton in his time, Mathstral stands on the shoulders of Mistral 7B and specializes in STEM subjects. It achieves state-of-the-art reasoning capacities in its size category across various industry-standard benchmarks. In particular, it achieves 56.6% on MATH and 63.47% on MMLU, with the following MMLU performance difference by subject between Mathstral 7B and Mistral 7B.

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

Individuals focused on mathematical research looking for an AI tool to enhance their problem-solving capabilities

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

Free
Open source
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 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:

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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

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

Mistral AI
Founded: 2023
France
mistral.ai/news/mathstral/

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Categories

Categories

Integrations

AiAssistWorks
Amazon Bedrock
Arize Phoenix
Codestral Mamba
Continue
Dart
Echo AI
Elixir
Fleak
HTML
JetBrains Junie
Lewis
Melies
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Nutanix Enterprise AI
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Orchids
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Integrations

AiAssistWorks
Amazon Bedrock
Arize Phoenix
Codestral Mamba
Continue
Dart
Echo AI
Elixir
Fleak
HTML
JetBrains Junie
Lewis
Melies
Muse
Nutanix Enterprise AI
OpenLIT
Orchids
Pi Agent
Prompt Security
WebStorm
Claim Claude Opus 4.8 and update features and information
Claim Claude Opus 4.8 and update features and information
Claim Mathstral and update features and information
Claim Mathstral and update features and information