Anthropic
37 models across 15 families · Latest: Claude Sonnet 5.5 (2026-09)
Developing safe and ethical AI systems.
Anthropic's portfolio covers 27 active models across 15 current families, spanning coding, rag, and agents. Open a model detail page to compare provider routes and sourced benchmarks.
Covers 7 workload areas across 27 active tracked models; last verified 2026-09-28.
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 27 tracked models
Do not use it for
- Choosing a hosting provider without opening a model page for price ladders
Active models
27
Current models from this lab, excluding deprecated ones
Active families
15
Current model families from this lab
Open catalog
0 open
0 open source / 0 open weights
Lowest output price
$4.00 /1M
Cheapest tracked output across active models, per 1M tokens
Latest dated release
2026-09-28
Claude Sonnet 5.5
Freshness
2026-09-28
Researched 4d ago
Information
Release cadence
- Dated releases
- 5
- Latest model
- Claude Sonnet 5.5
- Latest date
- 2026-09-28
Where this lab wins
- Coding: 20 tracked models with SWE-bench / HumanEval-style scores.
- RAG: 22 tracked models with ruler / needle retrieval benchmarks.
- Agentic: 22 tracked models with BFCL, tau-bench, and SWE-bench tool-use coverage.
- Long-context: 22 tracked models with context-token or InfiniteBench-class signal.
Flagship quality / price signal
- Flagship
- Claude Haiku 4.5
- Selection source
- Best sourced coding Q/$
- Coding grade
- D
- Benchmark / output price
- swe-bench-verified 73.3 · $4.00/1M
About
Anthropic is at the forefront of developing safe and interpretable AI systems. Their research on techniques like sparse autoencoders enables a deeper understanding of how AI models connect concepts and handle sensitive topics. For software engineers and SaaS executives, Anthropic's work is crucial for building trustworthy and reliable AI applications that mitigate risks and align with human values.
Featured models
| Model | Released | Context | Input price ($/1M) | Output price ($/1M) | License | Openness |
|---|---|---|---|---|---|---|
| Claude Sonnet 5.5 | 2026-09-28 | 1.05m | $2 | $10 | Proprietary | Proprietary |
| Claude Opus 5.5 | 2026-09-22 | 1.05m | $4 | $20 | Proprietary | Proprietary |
| Claude Fable 5.1 | 2026-09-01 | 1m | $10 | $50 | Proprietary | Proprietary |
Model families
Recent releases
- Claude Sonnet 5.5- 2026-09-28
- Claude Opus 5.5- 2026-09-22
- Claude Fable 5.1- 2026-09-01
- Claude Mythos 5.1- 2026-09-01
- Claude Opus 5- 2026-07-24
Top comparisons
Explore related pages
Last reviewed: 2026-09-28. Data sourced from public lab announcements and provider documentation.