Anthropic
Anthropic is an AI safety and research company that builds the Claude family of models. Its models are available through the Claude apps, its own API and major cloud platforms, and are widely used for coding, writing and long-document work.
Models 15
| Model | Inputi | Outputi | Contexti | Released |
|---|---|---|---|---|
| Claude Sonnet 5.5 | $2 | $10 | 1M | Sep 2026 |
| Claude Opus 5.5 | $4 | $20 | 1M | Sep 2026 |
| Claude Fable 5.1 | $10 | $50 | 1M | Sep 2026 |
| Claude Opus 5 | $5 | $25 | 1M | Jul 2026 |
| Claude Sonnet 5 | $2 | $10 | 1M | Jun 2026 |
| Claude Fable 5 | $10 | $50 | 1M | Jun 2026 |
| Claude Opus 4.8 | $5 | $25 | 1M | May 2026 |
| Claude Opus 4.7 | $5 | $25 | 1M | Apr 2026 |
| Claude Sonnet 4.6 | $3 | $15 | 1M | Feb 2026 |
| Claude Opus 4.6 | $5 | $25 | 1M | Feb 2026 |
| Claude Opus 4.5 | $5 | $25 | 200K | Nov 2025 |
| Claude Haiku 4.5 | $1 | $5 | 200K | Oct 2025 |
| Claude Sonnet 4.5 | $3 | $15 | 1M | Sep 2025 |
| Claude Opus 4.1 | $15 | $75 | 200K | Aug 2025 |
| Claude Sonnet 4 | $3 | $15 | 200K | May 2025 |
per 1M tokens · USD
Latest news
See all →Quoting Anthropic Frontier Red Team
We evaluate several models on 100 tasks from the [internal Binary Exploitation benchmark] (selected at random), and find that GLM-5.3 develops full control flow hijacks in 4% of the trials; Claude Mythos Preview did so…
ChatGPT now reaches 1.2 billion people every week, OpenAI says
OpenAI's annualized revenue rate is nearing $70 billion, up about 70 percent since the start of Q3. Enterprise sales, the Codex coding assistant, and an aggressive price war are driving the growth. Anthropic is right on…
Anthropic Says It Discovered a Crispr-Like System. Now What?
“The experiments are still in the queue. The PR is already live,” says one expert.
AI researchers put out videos saying superintelligence is ‘exactly as dangerous as it sounds’
"The chance of human extinction is about a coin flip, in my view," Geoffrey Irving, a former OpenAI and Google DeepMind employee, said in a new interview. It's one of a dozen interviews with AI researchers, including…
Anthropic’s IPO pitch includes a warning about human extinction
The Claude maker warns its own models could resist shutdowns and cause catastrophic harm.
Anthropic warns of ‘catastrophic’ AI risks in its own IPO filing
As Anthropic gears up for its greatly anticipated public debut, a preview of the company's IPO filing reportedly details its mounting losses, leadership proposals to retain power, and how its AI development plans could…
Anthropic's IPO filing shows soaring revenue, mounting costs, and "existential" risks
Anthropic warns in its own IPO prospectus that its AI technology could pose "existential risks to humanity." Revenue grew twelvefold in 2025 to $4.6 billion, but the operating loss widened to $8.06 billion. Backers are…
Anthropic's prospectus details losses, growth, and, yes, a warning that its AI could end humanity
In its prospectus, Anthropic just told investors it's losing tens of billions of dollars a year, but also growing like crazy, and — oh yeah — its own AI might pose an existential risk to humanity.
