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
Claude 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
- ImageAnthropic
Anthropic, Public domain, via Wikimedia Commons
Related
- Anthropic Claude 3 releasedMarch 4, 2024
- Anthropic Claude 2 releasedJuly 11, 2023
- GPT-4 releasedMarch 14, 2023