Anthropic

About Anthropic

Anthropic develops the Claude model family and applications, alongside research on alignment, interpretability and AI-system behavior. Its model documentation distinguishes named model lines and platform-specific identifiers. Claude Code is a coding tool around models rather than a separate model family.

Focus

• Claude model development
• AI safety and interpretability research
• Coding and application tools

Projects and interfaces

• Claude

  model family

  Includes documented model lines such as Opus, Sonnet and Haiku, with release-specific IDs and supported modalities.

• Claude applications

  applications

  Products through which Anthropic makes its research systems available.

Scope and limitations

• A model-family label does not identify a particular version, platform configuration or recorded observation.

Official references

• Anthropic company information. Checked 2026-11-02.
• Claude model overview. Checked 2026-11-02.

Models

41 named catalog records. These are name and distribution records, not a count of distinct model architectures.

• ~anthropic/claude-fable-latest
• ~anthropic/claude-haiku-latest
• ~anthropic/claude-opus-latest
• ~anthropic/claude-sonnet-latest
• anthropic/claude-fable-5:batch
• anthropic/claude-fable-5.1:batch
• anthropic/claude-haiku-4.5:batch
• anthropic/claude-haiku-5.5:batch
• anthropic/claude-opus-4.1
• anthropic/claude-opus-4.1:batch
• anthropic/claude-opus-4.5:batch
• anthropic/claude-opus-4.6:batch
• anthropic/claude-opus-4.7:batch
• anthropic/claude-opus-4.8:batch
• anthropic/claude-opus-5:batch
• anthropic/claude-opus-5.5:batch
• anthropic/claude-sonnet-4.5:batch
• anthropic/claude-sonnet-4.6:batch
• anthropic/claude-sonnet-5:batch
• anthropic/claude-sonnet-5.5:batch
• Claude 3.5 Sonnet
• claude-fable-5
• claude-fable-5-1
• claude-haiku-4-5
• claude-haiku-4-5-20251001
• claude-haiku-5-5
• claude-opus-4-1-20250805
• claude-opus-4-20250514
• claude-opus-4-5
• claude-opus-4-5-20251101
• claude-opus-4-6
• claude-opus-4-7
• claude-opus-4-8
• claude-opus-5
• claude-opus-5-5
• claude-sonnet-4-20250514
• claude-sonnet-4-5
• claude-sonnet-4-5-20250929
• claude-sonnet-4-6
• claude-sonnet-5
• claude-sonnet-5-5

Model families

• claude-haiku-4-5
• claude-opus-4-6
• claude-sonnet-4-5

Harnesses & editors

• Claude Code

Observations

• 10-duo wave — parallel feature builds · V1
• Codex vs Claude — native audit of a 425K LOC project · V1
• Harness vs. Wrapper — An Observation · V1
• Harness vs. Wrapper — An Observation (V2)
• What's inside OpenCode · V1
• Where each wrapper sits in the agentic stack · V1
• Agent harnesses and tooling · V2

Links

• Hugging Face
• GitHub
• Claude Code · Docs
• Official site
• Models and research
• Model documentation
• Product
• Official repository
• Retired and retiring models
• Anthropic — official site
• Official model page
• Official model announcement / documentation
• Anthropic — official site
• Official model page
• Official model announcement / documentation
• Anthropic — official site
• Official model page
• Official model announcement / documentation