Anthropic
Maker of the Claude model family
Anthropic is an AI safety company that builds the Claude family of models. It was founded by former OpenAI researchers who wanted to make model development safety-first rather than an afterthought.
Visit Anthropic// tools by Anthropic
Claude
AI assistant by Anthropic for helpful, harmless, and honest conversations
Claude Code
Anthropic's agentic coding tool that works directly in your terminal
// models by Anthropic
Claude Fable 5
Anthropic's first Mythos-class model, tuned for the hardest coding benchmarks
Anthropic · Reasoning · Paid
Claude Opus 4.5
Anthropic's Opus-tier model that cut pricing by two-thirds while topping SWE-bench
Anthropic · Reasoning · Paid
Claude Opus 4.6
Anthropic's Opus update that expanded the context window to 1 million tokens
Anthropic · Reasoning · Paid
Claude Opus 4.7
An Opus 4.6 upgrade targeted at the hardest software engineering tasks
Anthropic · Reasoning · Paid
Claude Opus 5
Anthropic's newest Opus-tier model, priced the same as its predecessor
Anthropic · Reasoning · Paid
Claude Sonnet 4.6
Anthropic's default Sonnet model, built to approach Opus-class results at a fifth of the price
Anthropic · Reasoning · Paid
Claude Opus 4.8
Anthropic's most capable Opus-tier model for deep analysis and long-horizon tasks
Anthropic · Reasoning · Paid
Claude Sonnet 4.5
Anthropic's most capable Sonnet-tier model at launch, tuned heavily for coding and computer use
Anthropic · Reasoning · Paid
Claude Sonnet 5
The first Sonnet-class Claude model to top Anthropic's flagship writing benchmarks
Anthropic · Language · Paid
Claude 3.7 Sonnet
Anthropic's first hybrid reasoning model, blending fast answers with extended thinking
Anthropic · Reasoning · Paid
Claude Opus 4
Anthropic's flagship model at launch, built for sustained, long-horizon agentic work
Anthropic · Reasoning · Paid
Claude Opus 4.1
An incremental refinement of Claude Opus 4 with improved coding and agentic accuracy
Anthropic · Reasoning · Paid
Claude Sonnet 4
Anthropic's mid-tier Claude 4 model, balancing coding strength with everyday cost
Anthropic · Reasoning · Paid
Claude 3.5 Sonnet
The 2024 Claude release that popularized computer-use agent capabilities
Anthropic · Language · Paid
Claude Haiku 4.5
Anthropic's fastest and cheapest current-generation model
Anthropic · Language · Paid
Claude 2
Anthropic's second-generation Claude, ahead of the Claude 2.1 refresh
Anthropic · Language · Paid
Claude 3 Opus
Anthropic's 2024 flagship, the top tier of the original Claude 3 family
Anthropic · Language · Paid
Claude 3.5 Haiku
Anthropic's fast, affordable model matching the prior Claude 3 Opus on some benchmarks
Anthropic · Language · Paid
Claude 1
Anthropic's first publicly released Claude model
Anthropic · Language · Paid
Claude 3 Haiku
Anthropic's fastest model in the original Claude 3 family
Anthropic · Language · Paid
Claude 3 Sonnet
The balanced mid-tier of Anthropic's original Claude 3 lineup
Anthropic · Language · Paid
Claude 2.1
Anthropic's 2023 model that pushed context length to 200K tokens
Anthropic · Language · Paid
Claude Instant
Anthropic's original fast, low-cost model tier
Anthropic · Language · Freemium