AI Launch Profile

Claude 3.5 Sonnet

Anthropic launched Claude 3.5 Sonnet, the first release in the Claude 3.5 model family, with strong intelligence, coding, vision, and API availability.

Company
Anthropic
Launch date
June 21, 2024
Launch type
Model Release
Category
AI Productivity Tools
Audience
Developers, Enterprises, Researchers, Writers
Pricing
Available on free Claude.ai access with higher limits for Pro and Team plans; API pricing launched at published token rates.
Free plan
yes
API
yes
Open source/open weight
no

Verification & Sources

Status
Verified
Source links
2
Freshness
Verified June 8, 2026
Last verified
June 8, 2026
Last updated
June 7, 2026
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Kingy Scores

Launch Score
Unscored
Demo Quality
Unscored
YouTube Potential
Unscored

Kingy AI Take

A foundational Claude record because Sonnet 3.5 shaped the competitive model landscape through late 2024.

Who it is for

Claude users, developers, enterprise teams, writers, analysts, and anyone needing a fast high-quality general assistant.

What feels promising

Claude 3.5 Sonnet combined strong writing, coding, speed, vision, and API availability, making it one of the defining assistant models of 2024.

What feels unproven

It is now a historical model milestone; teams choosing Claude today should compare current Claude Sonnet and Opus models instead of assuming the 2024 release remains the best fit.

Traction notes

A breakout model launch that became a favorite for coding, writing, and analysis workflows.