AI Organization21 models

Anthropic: AI models, benchmarks & research

AI safety company

ProprietaryMultimodal
#1math#1safety#1legal#1frontend development#1grounding#1communication
Model
Claude Opus 5MultimodalNew
Claude Sonnet 5MultimodalNew
Claude Fable 5Multimodal
Claude Opus 4.8Multimodal
Claude Opus 4.7Multimodal
Claude Mythos PreviewMultimodal
Claude Sonnet 4.6Multimodal
Claude Opus 4.6Multimodal
Claude Opus 4.5Multimodal
Claude Haiku 4.5Multimodal
Claude Sonnet 4.5Multimodal
Claude Opus 4.1Multimodal
Claude Opus 4Multimodal
Claude Sonnet 4Multimodal
Claude 3.7 SonnetMultimodal
Claude 3.5 Haiku
Claude 3.5 SonnetMultimodal
Claude 3.5 SonnetMultimodal
Claude 3 HaikuMultimodal
Claude 3 OpusMultimodal
Claude 3 SonnetMultimodal
At a glance

Anthropicmodels, benchmarks & research

Key facts about Anthropic's portfolio of 21 AI models — sourced from public benchmarks, provider APIs, and model releases.

Models
21 models across 0 families
Portfolio
21 language models
Licensing
0 open-weight, 21 proprietary
Benchmarks
Evaluated on 83 benchmarks
Cheapest model
Claude Haiku 4.5 at $1.00 per 1M input tokens
Active since
Shipping models since February 2024, latest release July 2026

Largest models

No parameter data.

FAQ

Common questions about Anthropic.

What is Anthropic?

Anthropic is an AI research organization that develops large language models and other AI systems. They have released 21 models across 0 model families.

How many AI models has Anthropic released?

Anthropic has released 21 AI models tracked on LLM Stats. See the Models tab for the full catalog with technical specifications, benchmark scores, and pricing.

How do Anthropic's models perform on benchmarks?

Anthropic's models have been evaluated on 83 benchmarks. Their top-performing model is Claude Mythos Preview on CyBench with a score of 1.0. See the Benchmarks tab for the full breakdown.

What does it cost to use Anthropic's models?

Anthropic's most affordable model is Claude Haiku 4.5 with input pricing from $1.00 per 1M tokens via commercial API providers. 9 of their models have public pricing. See the Pricing tab for the full comparison.

When did Anthropic start releasing AI models?

Anthropic has been releasing AI models since February 2024. Their latest release was in July 2026. See the Timeline tab for the full release history.

How can I use Anthropic's models?

Visit https://anthropic.com for official documentation and API access. Many of Anthropic's models are also available through third-party API providers — check the Pricing tab to compare pricing across providers.