Anthropic

Reporting and context on Anthropic, with a closer look at the decisions and developments that matter.

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Anthropic
Logo: AnthropicSource details

At a glance

AI research company behind Claude, with an emphasis on the reliability and safety of AI systems. Coverage follows its models, research, products and business.

Focus
Claude; AI safety and research
Reference
Anthropic

Reviewed 19 October 2026. Dates retain the precision of the source; retrospective disclosures are identified in the event. Company and product revenue run rates overlap and must not be added together.

Company milestones

Revenue, funding, product launches and major company events, newest first. Expand the earlier milestones for more history.

  1. Reported Q3 revenue reaches $16.8B

    Reuters cites investor-day attendees reporting Q1 revenue of $4.7B, Q2 of $11.6B and Q3 of $16.8B. These are reported quarterly totals, not ARR or audited public-company earnings.

    Source: Reuters
  2. Releases Claude Opus 5.5

    Anthropic updates the model family with a focus on capable, lower-cost work, following its earlier Claude 4 and 5 generations.

    Source: Anthropic
Show earlier milestonesHide earlier milestones2026–2021 · 14 milestones

Earlier revenue, financing and company milestones.

  1. $65B Series H; run rate exceeds $47B

    Anthropic announces $65B in financing at a $965B post-money valuation and says its revenue run rate crossed $47B earlier in May.

    Source: Anthropic
  2. $14B company run rate; Claude Code exceeds $2.5B

    The company reports $14B in annualized revenue, with Claude Code above $2.5B. The product figure is included in the company business, not additional company revenue.

    Source: Anthropic
  3. $30B Series G at $380B valuation

    GIC and Coatue lead the round supporting research, product development and compute infrastructure.

    Source: Anthropic
  4. Run rate grows from about $1B to over $5B

    Anthropic discloses approximately $1B at the start of 2025 and over $5B by August; Claude Code separately exceeds $500M. These are annualized snapshots.

    Source: Anthropic
  5. $13B Series F at $183B valuation

    ICONIQ leads the financing, co-led by Fidelity and Lightspeed, as Anthropic reports over 300,000 business customers.

    Source: Anthropic
  6. Claude 4 and Claude Code general availability

    Opus 4 and Sonnet 4 arrive alongside the broader release of Claude Code, extending the platform into agentic software development.

    Source: Anthropic
  7. $3.5B Series E at $61.5B valuation

    Lightspeed leads funding for capacity, international expansion and enterprise products.

    Source: Anthropic
  8. Introduces Claude 3.5 Sonnet and Artifacts

    The release combines a new model with a workspace for generated content, broadening Claude beyond a chat-only interface.

    Source: Anthropic
  9. Introduces the Claude 3 model family

    Opus, Sonnet and Haiku establish a tiered model lineup for different capability, speed and cost needs.

    Source: Anthropic
  10. Raises $450M Series C

    Spark Capital leads the round to develop safer AI systems and expand the company’s commercial offering.

    Source: Anthropic
  11. Introduces Claude

    Anthropic launches its assistant through chat and API, moving its research into an initial commercial product.

    Source: Anthropic
  12. Raises $580M Series B

    The round supports research into steerable, interpretable and reliable AI, preceding Claude’s public launch.

    Source: Anthropic
  13. Raises $124M Series A

    The initial institutional financing supports the company’s research into more reliable general-purpose AI systems.

    Source: Anthropic
  14. Anthropic is established

    The company is founded with a focus on AI safety and research; Claude’s public commercial history begins in 2023.

    Source: Anthropic

The latest on Anthropic

Newest first
1 min read · Members

Bonds Behind Meta's Hyperion Fall Below Par

Debt behind Meta's Hyperion and Microsoft's Excalibur fell below par, Oracle's Jupiter loans hit stress, and Gartner sees over $4 trillion facing writedowns.

1 min read · Members

Huang Wants AI Safety Talks With China

Jensen Huang, a leading voice against slowing AI, says Nvidia must work with Chinese AI firms on safety, with Britain as convener.

1 min read · Members

Google Lets Agents Rewrite Their Own Harness

Google's open-source Harness2 lets agents rewrite their own setup without retraining, lifting GLM-5 past Gemini 3.5 Flash, with Claude Opus 4.8 doing the editing.

1 min read · Members

Replit Leaves Anthropic, Its Docs Did Not

Replit's CEO says it dropped Anthropic for OpenAI, but people close to the deal deny it, and Replit's own blog and docs still run Claude.

1 min read · Members

Anthropic Grew 45% and Lost $500 Billion

Anthropic's revenue grew 45% to $16.8 billion, but slowing from 147% cut investors' IPO valuation talk by $500 billion, to around $1.5 trillion.

1 min read · Members

FTC Wants OpenAI and Anthropic Incident Files

The FTC subpoenaed OpenAI and Anthropic for the incident files the labs had published as research, including AI agents breaking into outside systems.

1 min read · Members

Cathie Wood Opens OpenAI, Locks the Exit

Cathie Wood put ARK's Venture Fund on Ethereum for $500, but OpenAI and Anthropic are a small slice and withdrawals stay quarterly and capped.

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