Anthropic suits regulated buyers in finance, healthcare and government that want a vendor with a published safety framework and independent attestations such as SOC 2 and ISO 42001. The trade-off is reach: Claude.ai trails ChatGPT among consumers, and its record Series H valuation rests on revenue that analysts still debate.
Anthropic is a San Francisco Public Benefit Corporation founded in 2021 by seven former OpenAI researchers. It builds the Claude model family, which as of 8 October 2026 spans Fable 5.1, Opus 5.5, Sonnet 5.5 and Haiku 5.5, each with a 1 million token context window.
Founded: 2021 · HQ: San Francisco, California, USA · Team: 3,400-5,000 (private company, no official figure) · CEO: Dario Amodei · Funding: $132B total raised across 18 rounds; latest $65B Series H (May 28, 2026) led by Altimeter Capital, Dragoneer, Greenoaks, Sequoia Capital · Valuation: $965B post-money (Series H, May 28, 2026)
About Anthropic
Anthropic was incorporated as a Public Benefit Corporation in San Francisco in January 2021 by seven ex-OpenAI researchers who split over safety: Dario Amodei (CEO), Daniela Amodei (President), Tom Brown, Jack Clark, Jared Kaplan, Chris Olah, and Sam McCandlish. HQ is 548 Market Street, San Francisco, with offices in Seattle, New York, DC, London, Paris, Munich, and, since June 2026, Seoul.
The flagship product is Claude.ai, alongside the Claude API and Claude for Enterprise. Anthropic's own newsroom shows the Claude family moving fast through autumn 2026: Opus 5.5 on September 22, Sonnet 5.5 on September 28 (described by Anthropic as 30 percent faster and up to 30 percent cheaper for most work than Sonnet 5), and Haiku 5.5 on October 7, billed as its fastest and cheapest small model yet. Claude Fable 5.1 sits above them, and Mythos 5 remains in preview. Anthropic says Opus 5.5 performs at the level of Fable 5.1 on most work at 40 percent lower running cost than Opus 5. The products around the models include Claude Code, Claude Cowork, Claude Design, Claude Science, Claude Security and Claude in Chrome. For help choosing between the tiers, see the guide on which Claude model to use.
Anthropic has raised roughly 132 billion dollars across 18 rounds: 61.5 billion in March 2025, 183 billion in September 2025, a 30 billion dollar Series G in February 2026 at 380 billion, and a 65 billion dollar Series H on May 28, 2026, at 965 billion, ahead of OpenAI for the first time. The Series H was led by Altimeter, Dragoneer, Greenoaks, and Sequoia. Amazon (8 billion plus, Project Rainier) and Google (equity plus a TPU deal) are the largest backers. On June 1, 2026, Anthropic confidentially filed a draft S-1; press reports point to a listing as early as October 2026, but Anthropic has not announced a date, and a draft filing is an option to proceed, not a commitment.
Revenue is mostly API usage billed per token, split between enterprise contracts, Claude.ai subscriptions (Free, Pro, Max, Team), and reseller access through Bedrock, Vertex AI, and Azure, plus Claude Code. Run-rate revenue climbed from roughly 9 billion dollars at 2025 year-end to over 47 billion by May 2026, a figure analysts are watching because gross run-rate and net recognized revenue can differ.
Anthropic does not publish an official headcount; estimates range from about 3,400 at end-2025 to over 5,000 by mid-2026, up from around 500 in 2023. Mike Krieger, Instagram co-founder and CPO since 2024, moved in 2026 to co-lead Anthropic Labs. Chris Olah leads interpretability; Jan Leike leads alignment.
The stated public benefit purpose is to responsibly develop advanced AI for humanity's cultural, social and technological improvement. Constitutional AI, published December 2022, trains models against a written set of principles scored by a critic model rather than relying only on human feedback. On June 10, 2026, Anthropic published its Advanced AI Framework, extending its earlier Responsible Scaling Policy into a formal commitment tied to capability thresholds.
October 2026 brought a run of commitments in the newsroom: a 100 million dollar Claude Frontier Academy to train 10,000 engineers by the end of 2027 (October 2), an expanded Cyber Verification Program for qualifying security professionals (October 6), and a 150 million dollar, three-year pledge of Claude access for more than 15 agencies in the US Genesis Mission science initiative (October 8).
The closest rival is OpenAI, whose ChatGPT still has the larger consumer audience. Google DeepMind competes on multimodal capability and default distribution via Android and Search. Where the alternative wins: a buyer who needs the widest consumer reach, native image and voice generation, or open-weight models for self-hosting (see Mistral AI) will find Anthropic's closed, safety-audited approach a poorer fit, and Claude.ai trails ChatGPT's user base. Anthropic's edge is enterprise trust: its PBC status, safety framework, and compliance certifications make it a default pick for regulated buyers in finance, healthcare, and government. Its systemic-risk-level models put it under the EU AI Act's stricter general-purpose-AI rules, and in the US it worked with export-control authorities after a directive briefly forced it to disable Fable 5 and Mythos 5 for every customer on June 12, 2026, before access was restored. Infrastructure spans AWS's Project Rainier campus in Indiana, expanded Google Cloud TPU capacity, a new Azure and Nvidia deal, and a 50 billion dollar Fluidstack data center build in Texas and New York. Anthropic also sells model access as a cloud product; see its Anthropic service listing for plans and regions.
Mission
To responsibly develop and maintain advanced AI for the cultural, social and technological improvement of humanity.
Products
- Claude.ai (Consumer chat product): https://claude.ai
- Claude Developer Platform (Developer API): https://platform.claude.com
- Claude for Enterprise (B2B SaaS): https://www.anthropic.com/enterprise
- Claude Code (CLI / agentic dev tool): https://claude.ai/code
- Claude Cowork (Multi-agent coordination): https://claude.com/product/cowork
- Claude Science (Research workbench): https://claude.com/product/claude-science
- Claude Design (Design product): https://claude.com/product/design
- Claude Security (Security product): https://claude.com/product/claude-security
- Claude in Chrome (Browser extension): https://claude.com/claude-in-chrome
- Claude Duet (Proactive agent (research preview)): https://claude.com/product/claude-duet
Anthropic Models on Hokai
Compliance
SOC 2 Type I, SOC 2 Type II, ISO 27001:2022, ISO/IEC 42001:2023, HIPAA-eligible, GDPR
Links
Frequently Asked Questions
What does it cost to use Claude from Anthropic?
Claude.ai is sold as Free, Pro, Max and Team subscriptions, while the Claude API bills per token with different rates for Haiku, Sonnet, Opus and Fable models. Enterprise buyers can license Claude for Enterprise directly or reach it through Amazon Bedrock, Google Vertex AI and Microsoft Azure. Check claude.com/pricing for current rates before budgeting.
Can you use Claude for free?
Yes, Claude.ai has a Free tier next to the paid Pro, Max and Team plans, which raise usage limits and unlock more of the model lineup. Developers can test the Claude API through the Claude Developer Platform before committing to metered usage.
Which companies compete with Anthropic?
OpenAI is the closest rival on consumer chat and some benchmarks, and Google DeepMind competes on multimodal features and Android and Search distribution. Mistral AI and Cohere target open-weight models and private RAG-style enterprise deployment. Anthropic differs by selling closed models with a published safety framework.
Is Anthropic worth more than OpenAI?
Anthropic reported a $965 billion post-money valuation in its May 28, 2026 Series H, which put it above OpenAI for the first time. OpenAI still has the larger consumer audience through ChatGPT, so valuation and user reach point in different directions. Anthropic filed a draft S-1 confidentially on June 1, 2026.
How do I start building with Claude?
Sign up at claude.ai to chat right away, or open the Claude Developer Platform at platform.claude.com for API keys and docs. Teams already on AWS, Google Cloud or Azure can reach Claude through Bedrock, Vertex AI or Azure without opening a separate Anthropic account.
Top Alternatives
- OpenAI: Pick Anthropic for its public safety framework and enterprise compliance certifications; pick OpenAI for broader consumer reach and multimodal features like image and voice.
- Google DeepMind: Pick Anthropic for a safety-first research focus; pick Google for native multimodal capability and default distribution through Android and Search.
- Mistral AI: Pick Anthropic for a closed, safety-audited model; pick Mistral for open-weight models and European data sovereignty.
- Cohere: Pick Anthropic for general-purpose reasoning across consumer and developer products; pick Cohere for RAG-optimized private enterprise deployment.
Hokai guides covering Anthropic
- Best AI Companies in 2026: Who Is Actually Leading: Anthropic's revenue passed OpenAI's in 2026, even as OpenAI keeps the bigger valuation. See how six leading AI companies actually compare, by the numbers.
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