LLM Reference
Anthropic

Anthropic

35 models across 14 families · Latest: Claude Fable 5.1 (2026-09)

Developing safe and ethical AI systems.

CodingRAGAgentsLong contextVisionClassificationJSON / Tool useBusinessHighlight

Anthropic's portfolio covers 25 active models across 14 current families, spanning coding, rag, and agents. Open a model detail page to compare provider routes and sourced benchmarks.

Covers 7 workload areas across 25 active tracked models; last verified 2026-09-01.

Use it for

  • Teams evaluating coding, rag, and agents across this lab's releases
  • Comparing model families before committing to a flagship
  • Migration and pricing follow-ups across 25 tracked models

Do not use it for

  • Choosing a hosting provider without opening a model page for price ladders

Active models

25

Current models from this lab, excluding deprecated ones

Active families

14

Current model families from this lab

Open catalog

0 open

0 open source / 0 open weights

Lowest output price

$4.00 /1M

Cheapest tracked output across active models, per 1M tokens

Latest dated release

2026-09-01

Claude Fable 5.1

Freshness

2026-09-01

Researched 9d ago

fresh

Information

Founded2021
San Francisco, California, United States

Release cadence

Dated releases
5
Latest model
Claude Fable 5.1
Latest date
2026-09-01

Where this lab wins

  • Coding: 18 tracked models with SWE-bench / HumanEval-style scores.
  • RAG: 20 tracked models with ruler / needle retrieval benchmarks.
  • Agentic: 20 tracked models with BFCL, tau-bench, and SWE-bench tool-use coverage.
  • Long-context: 20 tracked models with context-token or InfiniteBench-class signal.

Flagship quality / price signal

Selection source
Best sourced coding Q/$
Coding grade
D
Benchmark / output price
swe-bench-verified 73.3 · $4.00/1M

About

Anthropic is at the forefront of developing safe and interpretable AI systems. Their research on techniques like sparse autoencoders enables a deeper understanding of how AI models connect concepts and handle sensitive topics. For software engineers and SaaS executives, Anthropic's work is crucial for building trustworthy and reliable AI applications that mitigate risks and align with human values.

Featured models

ModelReleasedContextInput price ($/1M)Output price ($/1M)LicenseOpenness
Claude Fable 5.12026-09-011m$10$50ProprietaryProprietary
Claude Mythos 5.12026-09-011m$10$50ProprietaryProprietary
Claude Opus 52026-07-241m$5.00$25.00ProprietaryProprietary

Model families

Recent releases

  1. Claude Fable 5.1- 2026-09-01
  2. Claude Mythos 5.1- 2026-09-01
  3. Claude Opus 5- 2026-07-24
  4. Claude Sonnet 5- 2026-06-30
  5. Claude Fable 5- 2026-06-09

Top comparisons

Explore related pages

Last reviewed: 2026-09-01. Data sourced from public lab announcements and provider documentation.