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Anthropic Releases Claude Sonnet 5.5: Faster, Cheaper, Now Free Tier
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Originally published on Simon Willison's Weblog by Simon Willison
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Summary & Key Takeaways
- Anthropic has released Claude Sonnet 5.5, a new iteration of their model.
- Sonnet 5.5 runs over 30% faster and costs up to 30% less for most workloads.
- It demonstrates performance comparable to Opus 5.5 on certain coding tasks.
- This model is now the default for the free tier on claude.ai.
- The free tier now offers a more capable model than OpenAI's ChatGPT free tier.
Our Commentary
This is a big deal for accessibility. Making a model this capable available on the free tier really shakes things up. I'm genuinely impressed by the performance gains and cost reductions. It feels like Anthropic is making a strong play for market share, and honestly, we're here for the competition. It pushes everyone to innovate faster.
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