Claude 4 is the newest AI model from Anthropic, released in May 2025. It has two main parts: Opus 4 and Sonnet 4. Both are good at giving quick answers and thinking deeply.
Opus can handle difficult coding and long tasks without stopping. Sonnet is more relaxed but still very accurate.
How It Gets Better at Stuff
Claude 4 models think deeper. They can juggle chains of thought and keep track of context over long sessions.
Opus 4 even coded nonstop for seven hours in tests. Sonnet handles coding, writing, and logic with smoother accuracy and fewer shortcuts.
Price That Makes Sense
You can try Claude for free and use Sonnet 4 that way.
If you need more juice, go Pro about $17/month (billed annually) or $20 monthly. That gives way more usage, access to Claude Code, projects, research, and app links.
Need serious power? Max plan starts at $100/month, giving 5× Pro usage, Opus access, and early features. There’s also a $200 option which gives 20× usage and even more access.
On the API side, Sonnet 4 pricing kicks in at $3 per million input tokens, $15 per million output. Opus 4 tags on at $15 in, $75 out per million tokens.
You can slash costs with prompt caching (up to 90% off) or batch mode (50% off).
Who’s Using It and How Many
By early 2025, Claude had about 18.9 million active users every month. The app side hits around 2.9 million users. Its site gets around 16 million unique visitors monthly.
That peaks near 18.8 million late in 2024. So yeah, folks are really digging Claude.
What Pops in Its Favor
It goes deep or fast depending on what you need.
Opus 4 keeps working hard for hours.
Sonnet 4 is smooth, smart, and less likely to mess around.
Free version gives solid access.
Rates are flexible and fair.
Strong user base and steady traffic buzz.
It shows context awareness and memory over big tasks.
A Few Things to Watch
Heavy users might reach limits, even on Pro or Max plans. Weekly limits will start soon. Unlimited access isn’t really available anymore Anthropic is limiting power users.
Paying by tokens can be tricky if you don’t watch how much you use.
