June 20, 2024

Anthropic Claude 3.5 Sonnet released

AnthropicAn AI safety company — creators of the Claude family of language models. released Claude 3.5 Sonnet on June 20, 2024 — outperforming Claude 3 Opus on coding, reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems., and vision at lower cost.

What it was for

AnthropicClaude 3.5 Sonnet set new benchmarks for AI-assisted coding and Artifacts (live previews). It competed head-to-head with GPTGenerative Pre-trained Transformer — OpenAI's family of large language models from GPT-1 through GPT-5.-4o and became the default model for many developer tools and enterprise chat products.

Companies

  • Anthropic

Why it's here

Claude 3.5 Sonnet was a mid-cycle leap that reset coding-assistant expectations.

Why it mattered

A smaller, cheaper model beating flagship tiers changed how teams pick LLMs.

What it solved

Developers needed frontier coding quality without flagship-model latency and cost.

Media

  • Anthropic
    ImageAnthropic

    Anthropic, Public domain, via Wikimedia Commons

Related